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Artificial intelligence and internet of things adoption in operations management: Barriers and benefits

Abstract

Purpose:

Based on the context of digital transformation and the evolution of digital technologies, this research sought to understand how artificial intelligence (AI) and internet of things (IoT) collaborate to improve the efficiency of operations management (OM).

Originality/value:

Digital transformation and the use of new technologies, such as AI and IoT, have impacted the management of the companies’ operation. A preliminary survey carried out in the Web of Science (WoS) database, analyzing data through the VOSviewer bibliometric software, identified an important relationship between AI, IoT, and OM through industry 4.0 (i4.0), which has as one of its main objectives the improvement in OM. The results of this research bring a practical contribution to business managers, such as the identification of the main barriers and expected benefits when adopting AI and IoT in their operations. For researchers, this study differs from studies already published by conducting a systematic review of the literature that investigates the relationship of OM with technological tools, such as AI and IoT.

Design/methodology/approach:

A systematic review of the literature was carried out with the objective of analyzing all articles that brought some contribution to a better understanding of how AI and IoT collaborate to improve the efficiency of operations.

Findings:

The results demonstrated how AI and IoT were being incorporated into OM, identifying the main barriers of its use, as well as indications of research gaps that may lead to further investigations to advance on this topic.

Keywords:
digital technologies; digital transformation; operations management; artificial intelligence; internet of things

Resumo

Objetivo:

Tomando como base o contexto de transformação digital e a evolução das tecnologias digitais, esta pesquisa buscou compreender como a inteligência artificial (IA) e a internet das coisas (internet of things – IoT) colaboram para melhorar a eficiência da gestão da operação (GO).

Originalidade/valor:

A transformação digital e o uso de novas tecnologias, como a IA e a IoT, têm impactado a gestão da operação das empresas. Um levantamento feito na base de dados Web of Science (WoS) e a análise deles, realizadas pelo software bibiliométrico VOSviewer, identificaram uma importante relação entre IA, IoT e GO por meio da indústria 4.0 (i4.0), que tem como um de seus principais objetivos a melhora na gestão da operação. Os resultados da presente pesquisa trazem uma contribuição prática aos gestores de negócios, como a identificação das principais barreiras e benefícios esperados ao adotarem a IA e a IoT em suas operações. Para os pesquisadores, este estudo difere de pesquisas já publicadas ao realizar uma revisão sistemática da literatura que investiga a relação da GO com as ferramentas tecnológicas IA e IoT.

Design/metodologia/abordagem:

Foi realizada uma revisão sistemática da literatura com o objetivo de analisar todos os artigos que trouxessem alguma contribuição no sentido de fornecer uma melhor compreensão de como a IA e a IoT colaboram para melhorar a eficiência das operações.

Resultados:

Os resultados demonstraram de que forma a IA e a IoT foram sendo incorporadas na gestão da operação, com destaque às barreiras e aos benefícios de seu uso. Verificaram-se ainda as indicações de lacunas de pesquisa que podem levar a novas investigações para avançar no tema.

Palavras-chave:
tecnologias digitais; transformação digital; gestão da operação; inteligência artificial; internet das coisas

INTRODUCTION

In the current period when many of the operations are being digitized, there is a greater demand for shorter response times and greater attention to the current competitive scenario (Venkatraman, 2017Venkatraman, V. (2017). The digital matrix: New rules for business transformation through technology. LifeTree Media.). To improve their competitiveness, companies have been seeking new digital technologies (Afuah, 2002Afuah, A. (2002). Mapping technological capabilities into product markets and competitive advantage: The case of cholesterol drugs. Strategic Management Journal, 23(2), 171–179.; Ross et al., 2016Ross, J., Sebastian, I., Beath, C., Scantlebury, S., Mocker, M., Fonstad, N., ... Moloney, K. (2016). Designing digital organizations [Working Paper nº 406]. Center for Information Systems Research.; Ross et al., 2019aRoss, J. W., Beath, C. M., & Mocker, M. (2019a). Creating digital offerings customers will buy. MIT Sloan Management Review, 61(1), 64–69., 2019bRoss, J. W., Beath, C. M., & Mocker, M. (2019b). Designed for digital: How to architect your business for sustained success. MIT Press.) demanding attention from executives on how to use them to improve their organizational strategies (Heavin & Power, 2018Heavin, C., & Power, D. J. (2018). Challenges for digital transformation – towards a conceptual decision support guide for managers. Journal of Decision Systems, 27, 38–45.; Mithas et al., 2013Mithas, S., Tafti, A., & Mitchell, W. (2013). How a firm’s competitive environment and digital strategic posture influence digital business strategy. MIS Quarterly, 37(2), 511–536.; Razavi et al., 2016Razavi, S. M. H., Nargesi, G. R., Hajihoseini, H., & Akbari, M. (2016). The impact of technological innovation capabilities on competitive performance of Iranian ICT firms. Iranian Journal of Management Studies, 9(4), 855–882.).

Among so-called digital technologies, artificial intelligence (AI) and the internet of things (IoT) have excelled (Brock & Wangenheimz, 2019Brock, J. K. U., & Wangenheimz, F. von (2019). Demystifying AI: What digital transformation leaders can teach you about realistic artificial intelligence. California Management Review, 61(4), 110–134.; Özdemir & Hekim, 2018Özdemir, V., & Hekim, N. (2018). Birth of industry 5.0: Making sense of big data with artificial intelligence,“the internet of things” and next-generation technology policy. Omics: A Journal of Integrative Biology, 22(1), 65–76.; Saarikko et al., 2020Saarikko, T., Westergren, W. H., & Blomquist, T. (2020). Digital transformation: Five recommendations for the digitally conscious firm. Business Horizons, 63(6), 825–839.; Sestino et al., 2020Sestino, A., Prete, M. I., Piper, L., & Guido, G. (2020). Internet of things and big data as enablers for business digitalization strategies. Technovation, 98.). However, although many studies mention the benefits of these digital technologies (Balakrishnan & Das, 2020Balakrishnan, R., & Das, S. (2020). How do firms reorganize to implement digital transformation? Strategic Change, 29(5), 531–541.; Ross et al., 2019bRoss, J. W., Beath, C. M., & Mocker, M. (2019b). Designed for digital: How to architect your business for sustained success. MIT Press.), they still lack a demonstration of how the benefits of AI and IoT can be obtained in operations management (OM). In March 2021, a preliminary survey was conducted on the Web of Science (WoS) database using the keywords “artificial intelligence” and “IoT”. The results of this search showed that of the 627 publications extracted, only 1% referred to the OM’s area (Dhamija & Bag, 2020Dhamija, P., & Bag, S. (2020). Role of artificial intelligence in operations environment: A review and bibliometric analysis. The TQM Journal, 32(4), 869–896.). Analyzing the results through VOSviewer software, it was noticed that the connection between AI and IoT and the OM’s area was through industry 4.0 (i4.0) (Ahuett-Garza & Kurfess, 2018Ahuett-Garza, H., & Kurfess, T. (2018). A brief discussion on the trends of habilitating technologies for Industry 4.0 and smart manufacturing. Manufacturing Letters, 15, 60–63.; Fettermann et al., 2018Fettermann, D. C., Cavalcante, C. G. S., Almeida, T. D. de, & Tortorella, G. L. (2018). How does Industry 4.0 contribute to operations management? Journal of Industrial and Production Engineering, 35(4), 255–268.). The strengthening of i4.0 and the rapid technologies’ development in the management sectors as a way of generating new values (Albertin & Moura Albertin, 2021Albertin, A. L., & Moura Albertin, R. M. de (2021). Transformação digital: Gerando valor para o “novo futuro”. GV Executivo, 20(1), 26–29.) highlight the importance of digital transformation, in which the use of new technologies is important (Lohmer & Lasch, 2020Lohmer, J., & Lasch, R. (2020). Blockchain in operations management and manufacturing: Potential and barriers. Computers & Industrial Engineering, 149, 106789.; Schiavone & Sprenger, 2017Schiavone, F., & Sprenger, S. (2017). Operations management and digital technologies. Production Planning & Control, 28(16), 1281–1283.).

The IoT in this context has emerged as a new paradigm that allows the integration between the cyber world and the physical world (Čolaković & Hadžialić, 2018Čolaković, A., & Hadžialić, M. (2018). Internet of things (IoT): A review of enabling technologies, challenges, and open research issues. Computer Networks, 144, 17–39.), and AI, as an important ally in decision making due to its machine learning ability that enables the emergence of new business models (Li et al., 2017Li, B.-h., Hou, B.-c., Yu, W.-t., Lu, X.-b., & Yang, C.-w. (2017). Applications of artificial intelligence in intelligent manufacturing: A review. Frontiers of Information Technology & Electronic Engineering, 18(1), 86–96.; Yang et al., 2017Yang, J., Chen, Y., Huang, W., & Li, Y. (2017). Survey on artificial intelligence for additive manufacturing. Paper presented at the 2017 23rd International Conference on Automation and Computing (ICAC).). Among the different motivations for the adoption of new technologies, there are the current competitive scenario, immense volume of data generated through different devices, scarcity of resources, and a need for speed in decision making (Borges et al., 2020Borges, A. F., Laurindo, F. J., Spínola, M. M., Gonçalves, R. F., & Mattos, C. A. (2020). The strategic use of artificial intelligence in the digital era: Systematic literature review and future research directions. International Journal of Information Management, 57, 102225.; Venkatraman, 2017Venkatraman, V. (2017). The digital matrix: New rules for business transformation through technology. LifeTree Media.).

In this context, this research has as its general objective to analyze how companies are using IoT and AI to improve the flexibility and reliability of their operations while improving their competitiveness in the market (Castagna et al., 2020Castagna, F., Centobelli, P., Cerchione, R., Esposito, E., Oropallo, E., & Passaro, R. (2020). Customer knowledge management in SMEs facing digital transformation. Sustainability, 12(9), 3899.; Matt et al., 2015Matt, C., Hess, T., & Benlian, A. (2015). Digital transformation strategies. Business & Information Systems Engineering, 57(5), 339–343.; Renzi et al., 2014Renzi, C., Leali, F., Cavazzuti, M., & Andrisano, A. O. (2014). A review on artificial intelligence applications to the optimal design of dedicated and reconfigurable manufacturing systems. The International Journal of Advanced Manufacturing Technology, 72(1–4), 403–418.). The research questions were elaborated to provide answers to the gaps in the literature and to assist in the analysis and consolidation of the research results. They are:

  • Q1: What are the main barriers found in the literature to the adoption of new technologies, such as AI and IoT, in OM?

  • Q2: What operational capabilities could or have been impacted and improved by the adoption of new technologies, such as AI and IoT?

To meet the objective and answer the research questions, this work adopts the method of systematic literature review once it is a method that provides, through the analysis of past publications, a better understanding of contemporary phenomena and makes inferences for the future. In the end, it is expected to have a better understanding of the integration of these tools in the OM and present a discussion about future research directions by bringing to the discussion 1. the general impacts on OM; 2. the potential barriers to the adoption of new technologies; and 3. what benefits are generated to OM.

THEORETICAL FOUNDATION

Digital transformation

One of the first concepts about digital transformation was mentioned in the book written by Patel et al. (2000)Patel, K., McCarthy, M. P., & Chambers, J. (2000). Digital transformation: The essentials of e-business leadership. KPMG, McGraw-Hill., which introduced the term but without a consolidated definition. Since then, different definitions of the term have emerged in the literature. To Albertin and Moura Albertin (2021)Albertin, A. L., & Moura Albertin, R. M. de (2021). Transformação digital: Gerando valor para o “novo futuro”. GV Executivo, 20(1), 26–29., digital transformation is the creation of value for both society and companies through the application of digital innovations. Lankshear and Knobel (2008)Lankshear, C., & Knobel, M. (2008). Digital literacies: Concepts, policies and practices (Vol. 30). Peter Lang. mention that digital technologies foster innovation and creativity and encourage significant changes in the professional and knowledge field. Bharadwaj et al. (2013)Bharadwaj, A. S., El Sawy, O. A., Pavlou, P. A., & Venkatraman, N. (2013). Digital business strategy: Toward a next generation of insights. MIS Quarterly, 37(2), 471–482. and Westerman et al. (2019)Westerman, G., Soule, D. L., & Eswaran, A. (2019). Building digital-ready culture in traditional organizations. MIT Sloan Management Review, 60(4), 59. mention that digital transformation reflects the need for organizations to rethink the role that information technology (IT) plays in organizational strategies. Zheng et al. (2019)Zheng, P., Wang, Z., Chen, C. H., & Pheng Khoo, L. (2019). A survey of smart product-service systems: Key aspects, challenges and future perspectives. Advanced Engineering Informatics, 42. https://doi.org/10.1016/j.aei.2019.100973
https://doi.org/10.1016/j.aei.2019.10097...
affirm that digital transformation is related to the digitization of processes and Balakrishnan and Das (2020)Balakrishnan, R., & Das, S. (2020). How do firms reorganize to implement digital transformation? Strategic Change, 29(5), 531–541. state that digital transformation represents a profound change in business models, value creation, and all aspects related to it, from production to the distribution of products and services. González-Varona et al. (2021)González-Varona, J. M., López-Paredes, A., Poza, D., & Acebes, F. (2021). Building and development of an organizational competence for digital transformation in SMEs. Journal of Industrial Engineering and Management, 14(1), 15–24. mention that digital transformation brings extreme changes in business models and allows the development of

new skills to adapt and promote the necessary changes in the organization’s operations. This study adopts the definition given by Vial (2019)Vial, G. (2019). Understanding digital transformation: A review and a research agenda. The Journal of Strategic Information Systems, 28(2), 118–144., who states that digital transformation is a process of change that aims to promote improvements in organizations and societies by combining information, computer systems, communication infrastructure, and technologies that promote the connectivity of all these resources.

By adopting new technologies, regardless of the size or level of the adoption, companies have their businesses transformed somehow (Fitzgerald et al., 2014Fitzgerald, M., Kruschwitz, N., Bonnet, D., & Welch, M. (2014). Embracing digital technology: A new strategic imperative. MIT Sloan Management Review, 55(2), 1–16.; Morakanyane et al., 2017Morakanyane, R., Grace, A. A., & O’Reilly, P. (2017). Conceptualizing digital transformation in business organizations: A systematic review of literature. Bled eConference.). However, for many companies, it is still unclear how they can benefit from adopting these technologies. Among the challenges mentioned, there are the difficulty of coordinating culture, skills, and technology (Ross et al., 2019bRoss, J. W., Beath, C. M., & Mocker, M. (2019b). Designed for digital: How to architect your business for sustained success. MIT Press.); how to effectively align business and technology strategies, taking into account cultural, organizational, and technological aspects (Heavin & Power, 2018Heavin, C., & Power, D. J. (2018). Challenges for digital transformation – towards a conceptual decision support guide for managers. Journal of Decision Systems, 27, 38–45.); how to develop the dynamic capabilities needed to transform the organization and processes in such a way that they can detect, model and capture opportunities in the new digital environment (Katkalo et al., 2010Katkalo, V. S., Pitelis, C. N., & Teece, D. J. (2010). Introduction: On the nature and scope of dynamic capabilities. Industrial and Corporate Change, 19(4), 1175–1186.); and how to understand and effectively adopt new technologies while seeking to understand which aspects of their culture and processes should be kept or modified (Westerman et al., 2019Westerman, G., Soule, D. L., & Eswaran, A. (2019). Building digital-ready culture in traditional organizations. MIT Sloan Management Review, 60(4), 59.).

Artificial intelligence

The term artificial intelligence (AI) was first cited and introduced by McCarthy (1960)McCarthy, J. (1960). Programs with common sense. RLE and MIT Computation Center., and it was much more related to algorithms, generated by intelligent machines, which helped in decision making (Buchanan & O’Connell, 2006Buchanan, L., & O’Connell, A. (2006). A brief history of decision making. Harvard Business Review, 84(1), 32–48.). Brynjolfsson and McAffee (2017)Brynjolfsson, E., & McAfee, A. (2017). Artificial intelligence, for real. Harvard Business Review, 1, 1–31. refer to AI as a technological tool introduced to compete with human performance and with the potential to draw conclusions through learning, having the potential to replace humans in tasks that require knowledge. For Russell and Norvig (2016)Russell, S., & Norvig, P. (2016). Artificial intelligence: A modern approach. Pearson., AI is an area of science that aims to develop software and hardware that are capable of simulating human behavior. In the present work, AI is considered a field of theory that aims at the development of software and hardware capable of performing actions that require some level of cognition (Russell & Norvig, 2016Russell, S., & Norvig, P. (2016). Artificial intelligence: A modern approach. Pearson.).

The AI’s evolution has two dimensions: a human-centered approach – focused on empirical approaches involving the validation of hypotheses and experiments – and a rationalist approach, which combines mathematical and engineering aspects (Borges et al., 2020Borges, A. F., Laurindo, F. J., Spínola, M. M., Gonçalves, R. F., & Mattos, C. A. (2020). The strategic use of artificial intelligence in the digital era: Systematic literature review and future research directions. International Journal of Information Management, 57, 102225.). Initial research on AI was based on learning capacity and indicated promising advances in tasks involving decision-making and problem-solving. However, the rise of AI was slower than expected, but from the 1990s on, governments and companies made efforts, investments, and research for the development of AI. Some of the reasons for the recent broad adoption of AI in organizations are the development of methods and technologies, the increase in IT efficiency in capturing and storing task-related data across organizations, the increasing ease of acquiring technology tools, and the increasing cloud service offerings (Russell & Norvig, 2016Russell, S., & Norvig, P. (2016). Artificial intelligence: A modern approach. Pearson.; Von Krogh, 2018Von Krogh, G. (2018). Artificial intelligence in organizations: New opportunities for phenomenon-based theorizing. Academy of Management Discoveries, 4(i.4), 404–409.).

In manufacturing industries, AI advances are related to the strengthening of industry 4.0. Through the adoption of different technologies, such as IoT, big data, cloud computing, and cyber-physical systems (CPS), these industries gain the ability to make decisions within a highly volatile and dynamic environment in a more effective way (Ahuett-Garza & Kurfess, 2018Ahuett-Garza, H., & Kurfess, T. (2018). A brief discussion on the trends of habilitating technologies for Industry 4.0 and smart manufacturing. Manufacturing Letters, 15, 60–63.), going beyond the simple automation of processes. With the machine learning capabilities, these technologies become important allies in the decision making (Yang et al., 2017Yang, J., Chen, Y., Huang, W., & Li, Y. (2017). Survey on artificial intelligence for additive manufacturing. Paper presented at the 2017 23rd International Conference on Automation and Computing (ICAC).) and emergence of new manufacturing models, including networking (Li et al., 2017Li, B.-h., Hou, B.-c., Yu, W.-t., Lu, X.-b., & Yang, C.-w. (2017). Applications of artificial intelligence in intelligent manufacturing: A review. Frontiers of Information Technology & Electronic Engineering, 18(1), 86–96.). The adoption of AI in the business areas has primarily focused on the management of IT (Pandl et al., 2020Pandl, K. D., Thiebes, S., Schmidt-Kraepelin, M., & Sunyaev, A. (2020). On the convergence of artificial intelligence and distributed ledger technology: A scoping review and future research agenda. IEEE Access, 8, 57075–57095.; Zhu et al., 2019Zhu, X., Zhang, G., & Sun, B. (2019). A comprehensive literature review of the demand forecasting methods of emergency resources from the perspective of artificial intelligence. Natural Hazards, 97(1), 65–82.), decision-making (Ding et al., 2020Ding, R.-X., Palomares, I., Wang, X., Yang, G.-R., Liu, B., Dong, Y., ... Herrera, F. (2020). Large-Scale decision-making: Characterization, taxonomy, challenges and future directions from an artificial intelligence and applications perspective. Information Fusion, 59, 84–102.)2020, evaluation of sustainable performance (Souza et al., 2019Souza, J. T. de, Francisco, A. C. de, Piekarski, C. M., Prado, G. F. do, & Oliveira, L. G. de (2019). Data mining and machine learning in the context of sustainable evaluation: A literature review. IEEE Latin America Transactions, 17(03), 372–382.), and the future of work (Wang & Siau, 2019Wang, W., & Siau, K. (2019). Artificial intelligence, machine learning, automation, robotics, future of work and future of humanity: A review and research agenda. Journal of Database Management, 30(1), 61–79.).

According to Brynjolfsson and McAffee (2017)Brynjolfsson, E., & McAfee, A. (2017). Artificial intelligence, for real. Harvard Business Review, 1, 1–31., two factors are among the main drivers for the adoption of new technologies: 1. the learning capacity that machines have today; and 2. the possibility of achieving a superior performance than the ones achieved by humans nowadays. However, according to Davenport (2018)Davenport, T. H. (2018). The AI advantage: How to put the artificial intelligence revolution to work. MIT Press., since the adoption of AI can represent a disruption of current models and processes, managers need to reorganize their strategic plans and decide both for the type of technology and the speed of deployment of these technologies.

Internet of things

The term internet of things (IoT) was first mentioned by Ashton (2009)Ashton, K. (2009). That “internet of things” thing. RFID Journal, 22(7), 97–114., who states that IoT is not due to unique new technology, but from several technologies that complement each other by reducing the distance between the physical and virtual worlds. This is a result of technological progress in parallel and often in overlapping fields. IoT integrates different things for different people and has the potential to change aspects of the economy, society, politics, and the environment.

Different definitions of IoT have emerged in the literature. Among them, we can mention Atzori et al. (2010)Atzori, L., Iera, A., & Morabito, G. (2010). The internet of things: A survey. Computer Networks, 54(15), 2787–2805. and Chen et al. (2013)Chen, Z., Xia, F., Huang, T., Bu, F., & Wang, H. (2013). A localization method for the internet of things. The Journal of Supercomputing, 63(3), 657–674., who define IoT as the existence of different objects and technologies that, through a common architecture, can interact and collaborate to achieve similar goals. For Miorandi et al. (2012)Miorandi, D., Sicari, S., De Pellegrini, F., & Chlamtac, I. (2012). Internet of things: Vision, applications and research challenges. Ad Hoc Networks, 10(7), 1497–1516., IoT can be understood as a means by which physical and digital devices can be interconnected through an adequate communication infrastructure that enables a whole set of new applications and services. Kortuem et al. (2009)Kortuem, G., Kawsar, F., Sundramoorthy, V., & Fitton, D. (2009). Smart objects as building blocks for the internet of things. IEEE Internet Computing, 14(1), 44–51. and Miorandi et al. (2012)Miorandi, D., Sicari, S., De Pellegrini, F., & Chlamtac, I. (2012). Internet of things: Vision, applications and research challenges. Ad Hoc Networks, 10(7), 1497–1516. refer to IoT as the development of technologies and solutions that allow the identification, communication, and interaction of any device with each other. To Mishra et al. (2016)Mishra, D., Gunasekaran, A., Childe, S. J., Papadopoulos, T., Dubey, R., & Wamba, S. (2016). Vision, applications and future challenges of internet of things: A bibliometric study of the recent literature. Industrial Management & Data Systems, 116(7), 1331–1355. https://doi.org/10.1108/imds-11-2015-0478
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, IoT is a network that connects numerous smart devices, which constantly produce and consume information. Lopes and Moori (2021)Lopes, Y. M., & Moori, R. G. (2021). O papel da IoT na relação entre gestão estratégica da logística e desempenho operacional. Revista de Administração Mackenzie, 22(3), 1–27 define IoT as the combination of sensor, connectivity, and mobility to enable digitization in industrial operations. In this study, IoT is considered a system of technological networks with the main objective of simplifying processes in several areas, to ensure better efficiency of the systems, allowing the identification, communication, and interaction of any device with each other (Miorandi et al., 2012Miorandi, D., Sicari, S., De Pellegrini, F., & Chlamtac, I. (2012). Internet of things: Vision, applications and research challenges. Ad Hoc Networks, 10(7), 1497–1516.).

The application of IoT can be perceived in different areas, such as 1. smart buildings/houses; 2. smart cities controlling traffic, parking lots, infrastructure, among others; 3. patient’s health-improving care by providing better information to both them and the physician; and 4. production and control of stocks (Miorandi et al., 2012Miorandi, D., Sicari, S., De Pellegrini, F., & Chlamtac, I. (2012). Internet of things: Vision, applications and research challenges. Ad Hoc Networks, 10(7), 1497–1516.).

RESEARCH METHODOLOGY

The reasons for conducting a systematic analysis may be to summarize empirical evidence of the benefits and limitations of a given field, identify any gaps in current research to suggest areas for future research, and provide a framework to properly establish new research activities (Kitchenham, 2004Kitchenham, B. (2004). Procedures for undertaking systematic reviews. Computer Science Department, Keele University (TRISE-0401) and National ICT Australia Ltd (0400011T. 1), Joint Technical Report.; Tranfield et al., 2003Tranfield, D., Denyer, D., & Smart, P. (2003). Towards a methodology for developing evidence-informed management knowledge by means of systematic review. British Journal of Management, 14(3), 207–222.). The systematic review of the literature in the present study aims to summarize the empirical evidence of the benefits and limitations of a given field of research.

The important points in a systematic review of the literature are to define how the data will be extracted; the selection of databases; to define the criteria for data selection and exclusion; to elaborate the guidelines for data analysis, as well as to establish qualitative and quantitative analysis procedures to report the results (Rethlefsen et al., 2021Rethlefsen, M. L., Kirtley, S., Waffenschmidt, S., Ayala, A. P., Moher, D., Page, M. J., & Koffel, J. B. (2021). PRISMA-S: An extension to the PRISMA statement for reporting literature searches in systematic reviews. Systematic Reviews, 10(1), 1–19.). There are different recommendations to conduct a systematic review of the literature, such as Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA), which is composed of a 27-item checklist and a flowchart with the three main strategic blocks, namely: 1. identification; 2. selection; and 3. inclusion. Each of these steps must be properly documented and identified to enable further replication. Similarly, Tranfield et al. (2003)Tranfield, D., Denyer, D., & Smart, P. (2003). Towards a methodology for developing evidence-informed management knowledge by means of systematic review. British Journal of Management, 14(3), 207–222. recommend dividing the review into three blocks: 1. revision planning; 2. conducting the review; and 3. reporting and disseminating. Each of these blocks has stages – ten in total, three for the planning block, five for the driving block, and two for the reporting and disseminating block. Kitchenham et al. (2007)Kitchenham, B., Charters, S., Budgen, D., Brereton, P., Turner, M., Linkman, S., ... Visaggio, G. (2007). Guidelines for performing systematic literature reviews in software engineering, Technical report, v. 5. Ver. 2.3 EBSE Technical Report. EBSE. also use the same three blocks as Tranfield et al. (2003)Tranfield, D., Denyer, D., & Smart, P. (2003). Towards a methodology for developing evidence-informed management knowledge by means of systematic review. British Journal of Management, 14(3), 207–222., however, detail the blocks in 13 steps.

The present research structured its methodological procedure following the flowchart model of the blocks recommended in PRISMA and similar works, such as Borges et al. (2020)Borges, A. F., Laurindo, F. J., Spínola, M. M., Gonçalves, R. F., & Mattos, C. A. (2020). The strategic use of artificial intelligence in the digital era: Systematic literature review and future research directions. International Journal of Information Management, 57, 102225. and Kitchenham et al. (2007)Kitchenham, B., Charters, S., Budgen, D., Brereton, P., Turner, M., Linkman, S., ... Visaggio, G. (2007). Guidelines for performing systematic literature reviews in software engineering, Technical report, v. 5. Ver. 2.3 EBSE Technical Report. EBSE., which detailed the review steps following the recommendations suggested by Kitchenham et al. (2007)Kitchenham, B., Charters, S., Budgen, D., Brereton, P., Turner, M., Linkman, S., ... Visaggio, G. (2007). Guidelines for performing systematic literature reviews in software engineering, Technical report, v. 5. Ver. 2.3 EBSE Technical Report. EBSE.. The main parts of the methodology are described below in the “Revision planning” and “Conducting the review” subsections. The next section, “Description of analyses”, presents the stage of reporting and disseminating the results of the review.

Review planning

Tranfield et al. (2003)Tranfield, D., Denyer, D., & Smart, P. (2003). Towards a methodology for developing evidence-informed management knowledge by means of systematic review. British Journal of Management, 14(3), 207–222. and Kitchenham et al. (2007)Kitchenham, B., Charters, S., Budgen, D., Brereton, P., Turner, M., Linkman, S., ... Visaggio, G. (2007). Guidelines for performing systematic literature reviews in software engineering, Technical report, v. 5. Ver. 2.3 EBSE Technical Report. EBSE. state that the planning phase should define the search and analysis guidelines, both oriented to the research’s objective. The main points of this protocol will be presented below.

Search process

The bases used for this research were Institute for Scientific Information (ISI) WoS and Scopus, because they are widely covered and validated by the academic community (Chadegani et al., 2013Chadegani, A. A., Salehi, H., Yunus, M., Farhadi, H., Fooladi, M., Farhadi, M., & Ale Ebrahim, N. (2013). A comparison between two main academic literature collections: Web of Science and Scopus databases. Asian Social Science, 9(5), 18–26.). There are other possible sources of databases, such as the Google Scholar database. However, in the comparative study developed by Harzing and Alakangas (2016)Harzing, A.-W., & Alakangas, S. (2016). Google Scholar, Scopus and the Web of Science: A longitudinal and cross-disciplinary comparison. Scientometrics, 106(2), 787–804., some restrictions related to this database are presented, being the most relevant the lack of the publications’ quality control, which leads to include some non-academic publications, such as blogs or articles from secular journals in search results. Other limitations mentioned are operational, such as duplication of records or the difficulty in performing filters, which, in the case of WoS and Scopus, is easy to solve, reasons that justify the use only of WoS and Scopus bases.

The definition of search terms went through two stages. The first stage aimed to evaluate and validate the relationship and relevance between the terms IA, IoT, and OM. To this end, a preliminary search was performed only in the WoS database using the term “digital transformation”, resulting in 3,084 articles. To analyze these articles, VOSviewer bibliometric software 1.6.16 was used (Van Eck & Waltman, 2010Van Eck, N. J., & Waltman, L. (2010). Software survey: VOSviewer, a computer program for bibliometric mapping. Scientometrics, 84(2), 523 –538., 2011Van Eck, N. J., & Waltman, L. (2011). Text mining and visualization using VOSviewer. arXiv preprint arXiv:1109.2058.). The identification of the theories areas was based on the keywords’ co-occurrence, filtered for at least five repetitions. To improve the visualization, terms outside the scope of the search were deleted from the retrieved data, such as: “health”, “government”, “Covid-19” etc.); and, also, methods or terms out of scope, for example: “methods”, “case study”, “survey”, “culture” etc.). As a result, the terms “industry4.0”, “internet of things”, “big data”, “digitalization”, and “artificial intelligence” showed to be the most evident and close to “digital transformation” (Figure 1). The relationship between OM and AI/IoT can be observed in Figure 2, which shows OM as a more consolidated research area – before 2017 –, but which has been evolving and forming an important grouping around “industry 4.0”, which, in turn, has been supported by technologies that use IoT, attracting newer areas, such as “artificial intelligence”, “digital technologies”, “smart manufacturing”, “digital innovation”, and “digital twin”.

Figure 1a
Density (importance) of themes around “digital transformation”

Figure 1b
Evolution of the theme over the years

Figure 2
Clusters formed by the keyword set

The second stage aimed to define the search’s final keywords. For this definition, a cluster analysis was performed (Figure 2) around the three central terms – “digital transformation”, “internet of things”, and “artificial intelligence”. From this analysis, the terms “industry 4.0”, “digital technology”, “operations management”, “digitalization”, and similar terms were chosen as keywords for extracting the databases by their relevance.

The definition of the inclusion and exclusion criteria of the data is a point highlighted both in the PRISMA methodology and by Kitchenham (2004)Kitchenham, B. (2004). Procedures for undertaking systematic reviews. Computer Science Department, Keele University (TRISE-0401) and National ICT Australia Ltd (0400011T. 1), Joint Technical Report. and Tranfield et al. (2003)Tranfield, D., Denyer, D., & Smart, P. (2003). Towards a methodology for developing evidence-informed management knowledge by means of systematic review. British Journal of Management, 14(3), 207–222.. In the present study, the inclusion criteria were:

  • Articles published in reference journals that address the theme of digital transformation within the context of OM, IoT, and AI.

  • Articles that remain within the area of management research or OM.

  • Articles are written in English.

Exclusion criteria were:

  • Articles on research areas outside the scope of management or OM.

  • Articles that contain search keywords only in titles or abstracts and that discuss very particular aspects, not providing only a broader view of the topic.

  • Articles published before 2007.

  • Articles whose full texts have not been identified.

  • Duplicated articles in the same or different databases.

Data extraction and analysis strategy

For the data extraction strategy, an Excel spreadsheet was used to organize the collected data and allow a cross-analysis between the selected articles. The data were organized according to the following identifications: title, authors, journal or conference, year of publication, methodology, relationship with research questions, intersection of themes identified in the articles, and main definitions.

Data analysis was guided both by stratifying data in Excel and through the research questions. Since the analysis was qualitative, to avoid the risk of research bias, this phase of the analysis was developed in two stages: 1. the first step of reading and tabulating the data according to the established identifications, relating each article to the research questions and highlighting the main points of each research; and 2. the second step of indepth analysis of the definitions and relationship with the research questions to identify possible consolidations of topics or similar definitions among authors.

Conducting the review

Table 1 shows the final search strings used in each of the selected databases, as well as the amount of initial data extracted from each database.

Table 1
Sequences used for data extraction

The selection of articles for final inclusion to the study followed the exclusion criteria defined previously, leaving 72 articles from WoS and 43 from Scopus. Finally, an in-depth reading was made of 115 articles, remaining, in the end, 27 from WoS and six from Scopus, to be included in the review analysis. Figure 4 illustrates this process, based on the PRISMA flow diagram.

Figure 3
Scopus and WoS database data extraction flowchart

DESCRIPTION OF ANALYSES

Of the total of 33 studies analyzed, 100% refer to some topic related to OM. Among them, 93% (25 studies) mention i4.0, 81% (22 studies) mention IoT, and 70% (19 studies) relate OM to AI. Table 2 shows the distribution of the intersections between OM and each of the themes over the years.

Table 2
Distribution of publications according to intersections over the years

In the sequence, the qualitative results are presented according to the research questions raised.

Q1: barriers to adopting AI and IoT tools

According to Ross et al. (2019b)Ross, J. W., Beath, C. M., & Mocker, M. (2019b). Designed for digital: How to architect your business for sustained success. MIT Press., there are challenges related to the adoption of technological tools. According to the authors, many companies report that they find it difficult to effectively adopt these new tools. Westerman et al. (2019)Westerman, G., Soule, D. L., & Eswaran, A. (2019). Building digital-ready culture in traditional organizations. MIT Sloan Management Review, 60(4), 59. state that understanding and adopting new technologies while seeking to understand which aspects of the company’s culture and processes should be kept or modified is another challenge faced by organizations. Table 3 presents the synthesis of the barriers encountered to adopting AI and IoT.

Table 3
Barriers to adoption of AI and IoT tools

Incomplete data model and scenario changes

Venkatesh (2021)Venkatesh, V. (2021). Adoption and use of AI tools: A research agenda grounded in UTAUT. Annals of Operations Research, 308, 641–652. relates the use of AI in the context of OM and identifies some barriers to the adoption of this technology. One of these barriers is related to the complexity of dealing with data and information coming from different participants involved in the OM context. The complexity in managing these data and information is increased when there are the insertion and combination of other technologies, such as IoT and blockchain. As a consequence of this complexity, one of the most cited problems is the lack of data, which can be associated with incomplete, absent, incorrect data, and wrong assumptions generated by managers or IoT tools. These assumptions and incorrect data can cause problems in OM, such as production programming models generated based on wrong data causing errors in areas other than products, for example, material inventories and the distribution and delivery of products. Another point addressed by the author refers to the change of scenarios, a problem that can hinder the adoption of AI models. Some scenario changes that can affect current AI models or hinder decisions about how a model should be modified to adapt to these changes occur imperceptibly or even suddenly.

It causes uncertainty and may lead to errors

Another barrier identified is the uncertainty people have in the adoption of AI and IoT tools and the mistakes these technologies can cause (Lee & Zhang, 2016Lee, C., & Zhang, S. (2016). Development of an industrial internet of things suite for smart factory towards re-industrialization in Hong Kong. 6th International Workshop of Advanced Manufacturing and Automation.; Venkatesh, 2021Venkatesh, V. (2021). Adoption and use of AI tools: A research agenda grounded in UTAUT. Annals of Operations Research, 308, 641–652.; Wang et al., 2021Wang, Y., Skeete, J.-P., & Owusu, G. (2021). Understanding the implications of artificial intelligence on field service operations: A case study of BT. Production Planning & Control, 1–17.). Adopting new technologies means that, besides the need to lead with the introduction of a new tool and a new way of collecting data, internal systems become highly dependent on these data. The use or failure to collect this data can generate uncertainties for managers who make their decisions based on this data, causing delays or even failure to deliver the expected results and in the planning of the company’s operations. There is also resistance to the adoption of these new technologies by some employees who are used to other techniques.

Internal and external resistances

Lohmer and Lasch (2020)Lohmer, J., & Lasch, R. (2020). Blockchain in operations management and manufacturing: Potential and barriers. Computers & Industrial Engineering, 149, 106789. cite in their research about blockchain adoption in OM that one of the main barriers is the resistance, which can be internal to the organization itself or among the companies with whom they work collaboratively. These resistances are mostly related to the lack of transparency, knowledge, lack of trust between them, and lack of management, definitions of collaboration processes, among others. The difficulties in dealing with the risks of leakage and manipulation of data also arise as barriers in the adoption of blockchain, mainly due to the lack of knowledge and/or training for the users.

Technological barriers

The strengthening of i4.0 has increasingly demanded the adoption of new technologies, such as blockchain and IoT. However, according to Lohmer and Lasch (2020)Lohmer, J., & Lasch, R. (2020). Blockchain in operations management and manufacturing: Potential and barriers. Computers & Industrial Engineering, 149, 106789., there are still delays in the implementation of these technologies due to 1. technological insecurity and vulnerability; 2. lack of standardizations, which leads to insecurity as to which technology to adopt (Hackius & Petersen, 2020Hackius, N., & Petersen, M. (2020). Translating high hopes into tangible benefits: How incumbents in supply chain and logistics approach blockchain. IEEE Access, 8, 34993–35003.; Lohmer & Lasch, 2020Lohmer, J., & Lasch, R. (2020). Blockchain in operations management and manufacturing: Potential and barriers. Computers & Industrial Engineering, 149, 106789.); 3. lack of governance, since it is essential for chain decentralization and transparency; and 4. feeling of vulnerability both in terms of technological and security.

High investment

The adoption of new digital technologies requires a high investment (Lee & Zhang, 2016Lee, C., & Zhang, S. (2016). Development of an industrial internet of things suite for smart factory towards re-industrialization in Hong Kong. 6th International Workshop of Advanced Manufacturing and Automation.; Tortorella et al., 2019Tortorella, G. L., Giglio, R., & Van Dun, D. H. (2019). Industry 4.0 adoption as a moderator of the impact of lean production practices on operational performance improvement. International Journal of Operations & Production Management, 39(6/7/8), 860–886.). The isolated adoption of technologies, such as IoT, before conducting a broad assessment of needs and practices can lead to errors in investments, generating losses and poorly planned processes. Organizations that want to invest in the adoption of new technologies should also invest in infrastructure improvements, which ends up making it more expensive and hindering investment by companies.

Q2: On operational capabilities that could or have been improved and impacted by the adoption of new technologies, such as AI and IoT

According to Lankshear and Knobel (2008)Lankshear, C., & Knobel, M. (2008). Digital literacies: Concepts, policies and practices (Vol. 30). Peter Lang. adopting new digital technologies trigger several improvements and encourages companies to transform themselves in a creative way, generating new knowledge. Borges et al. (2020)Borges, A. F., Laurindo, F. J., Spínola, M. M., Gonçalves, R. F., & Mattos, C. A. (2020). The strategic use of artificial intelligence in the digital era: Systematic literature review and future research directions. International Journal of Information Management, 57, 102225. mention that adopting these new technologies makes it possible to extract data that a human beings could not and also has the potential to improve human decisions, create advantages, and deepen innovations in business. According to Lohmer and Lasch (2020)Lohmer, J., & Lasch, R. (2020). Blockchain in operations management and manufacturing: Potential and barriers. Computers & Industrial Engineering, 149, 106789. and Diwas (2020)Diwas, K. (2020). Worker productivity in operations management. Foundations and Trends® in Technology, Information and Operations Management, 13(3), 151–249., access to information is essential to understand what the effective impacts are and to achieve greater accuracy in empirical analyses. Following, there is an analysis of whether these statements also occur within the OM. Table 3 presents the synthesis of this analysis and, then, some of the points are discussed.

Table 4 Improvements and impacts on operational capabilities with the adoption of AI and IoT tools
Improvements and impacts on operational capabilities Authors
Automation Chauhan et al. (2021)Chauhan, C., Singh, A., & Luthra, S. (2021). Barriers to industry 4.0 adoption and its performance implications: An empirical investigation of emerging economy. Journal of Cleaner Production, 285, 124809., Lohmer and Lasch (2020)Lohmer, J., & Lasch, R. (2020). Blockchain in operations management and manufacturing: Potential and barriers. Computers & Industrial Engineering, 149, 106789., Olsen and Tomlin (2020)Olsen, T. L., & Tomlin, B. (2020). Industry 4.0: Opportunities and challenges for operations management. Manufacturing & Service Operations Management, 22(1), 113–122., Wang et al. (2021)Wang, Y., Skeete, J.-P., & Owusu, G. (2021). Understanding the implications of artificial intelligence on field service operations: A case study of BT. Production Planning & Control, 1–17., and Watanabe et al. (2019)Watanabe, I., Yoshibayashi, T., & Imaoka, T. (2019). AI-based demand forecasting for both reliable forecasting and efficient operation: Dynamic ensemble forecasting. Fujitsu Scientific & Technical Journal, 55(2), 14–22.
Improved decision-making Diwas (2020)Diwas, K. (2020). Worker productivity in operations management. Foundations and Trends® in Technology, Information and Operations Management, 13(3), 151–249., Olsen and Tomlin (2020)Olsen, T. L., & Tomlin, B. (2020). Industry 4.0: Opportunities and challenges for operations management. Manufacturing & Service Operations Management, 22(1), 113–122., Thomas (2019)Thomas, A. (2019). Convergence and digital fusion lead to competitive differentiation. Business Process Management Journal, 26(3), 707–720., and Wang et al. (2021)Wang, Y., Skeete, J.-P., & Owusu, G. (2021). Understanding the implications of artificial intelligence on field service operations: A case study of BT. Production Planning & Control, 1–17.
Real-time broad data collection Guha and Kumar (2018)Guha, S., & Kumar, S. (2018). Emergence of big data research in operations management, information systems, and healthcare: Past contributions and future roadmap. Production and Operations Management, 27(9), 1724–1735., Hannola et al. (2018)Hannola, L., Richter, A., Richter, S., & Stocker, A. (2018). Empowering production workers with digitally facilitated knowledge processes: A conceptual framework. International Journal of Production Research, 56(14), 4729–4743., Isaksson et al. (2018)Isaksson, A. J., Harjunkoski, I., & Sand, G. (2018). The impact of digitalization on the future of control and operations. Computers & Chemical Engineering, 114, 122–129., and Li et al. (2020)Li, Z., Guo, H., Barenji, A. V., Wang, W., Guan, Y., & Huang, G. Q. (2020). A sustainable production capability evaluation mechanism based on blockchain, LSTM, analytic hierarchy process for supply chain network. International Journal of Production Research, 58(24), 7399–7419.
Centralization and sharing of information between the system and people Erasmus et al. (2018)Erasmus, J., Grefen, P., Vanderfeesten, I., & Traganos, K. (2018). Smart hybrid manufacturing control using cloud computing and the internet-ofthings. Machines, 6(4), 62., Fettermann et al. (2018)Fettermann, D. C., Cavalcante, C. G. S., Almeida, T. D. de, & Tortorella, G. L. (2018). How does Industry 4.0 contribute to operations management? Journal of Industrial and Production Engineering, 35(4), 255–268., Kobbacy et al. (2007)Kobbacy, K. A., Vadera, S., & Rasmy, M. H. (2007). AI and OR in management of operations: History and trends. Journal of the Operational Research Society, 58(1), 10–28., Li, Dai et al. (2020)Li, Y., Dai, J., & Cui, L. (2020). The impact of digital technologies on economic and environmental performance in the context of industry 4.0: A moderated mediation model. International Journal of Production Economics, 229, 107777., Lohmer and Lasch (2020)Lohmer, J., & Lasch, R. (2020). Blockchain in operations management and manufacturing: Potential and barriers. Computers & Industrial Engineering, 149, 106789., and Zhang et al. (2020)Zhang, F., Wu, X., Tang, C. S., Feng, T., & Dai, Y. (2020). Evolution of operations management research: From managing flows to building capabilities. Production and Operations Management, 29(10), 2219–2229.
More agile information on management Diwas (2020)Diwas, K. (2020). Worker productivity in operations management. Foundations and Trends® in Technology, Information and Operations Management, 13(3), 151–249., Fisch and Fleury (2020)Fisch, F., & Fleury, A. (2020). Towards the digitally-enabled multinational inner network (DEMIN). Gestão & Produção, 27., Li et al. (2020)Li, Z., Guo, H., Barenji, A. V., Wang, W., Guan, Y., & Huang, G. Q. (2020). A sustainable production capability evaluation mechanism based on blockchain, LSTM, analytic hierarchy process for supply chain network. International Journal of Production Research, 58(24), 7399–7419., Thomas (2019)Thomas, A. (2019). Convergence and digital fusion lead to competitive differentiation. Business Process Management Journal, 26(3), 707–720., and Wang et al. (2021)Wang, Y., Skeete, J.-P., & Owusu, G. (2021). Understanding the implications of artificial intelligence on field service operations: A case study of BT. Production Planning & Control, 1–17.
Increase in productivity Felsberger et al. (2020)Felsberger, A., Qaiser, F. H., Choudhary, A., & Reiner, G. (2020). The impact of Industry 4.0 on the reconciliation of dynamic capabilities: Evidence from the European manufacturing industries. Production Planning & Control, 33(2–3), 277–300., Hannola et al. (2018)Hannola, L., Richter, A., Richter, S., & Stocker, A. (2018). Empowering production workers with digitally facilitated knowledge processes: A conceptual framework. International Journal of Production Research, 56(14), 4729–4743., Isaksson et al. (2018)Isaksson, A. J., Harjunkoski, I., & Sand, G. (2018). The impact of digitalization on the future of control and operations. Computers & Chemical Engineering, 114, 122–129., Shou et al. (2019)Shou, Y., Zhao, X., & Chen, L. (2019). Operations strategy of cloud-based firms: Achieving firm growth in the big data era. International Journal of Operations & Production Management, 40(6), 873–896., and Yunus (2020)Yunus, E. N. (2020). The mark of industry 4.0: how managers respond to key revolutionary changes. International Journal of Productivity and Performance Management, 70(5), 1213–1231.
Simplified monitoring Chauhan et al. (2021)Chauhan, C., Singh, A., & Luthra, S. (2021). Barriers to industry 4.0 adoption and its performance implications: An empirical investigation of emerging economy. Journal of Cleaner Production, 285, 124809., Kobbacy and Vadera (2011)Kobbacy, K. A., & Vadera, S. (2011). A survey of AI in operations management from 2005 to 2009. Journal of Manufacturing Technology Management, 22, i.6., Kumar et al. (2018)Kumar, S., Mookerjee, V., & Shubham, A. (2018). Research in operations management and information systems interface. Production and Operations Management, 27(11), 1893–1905., Lohmer and Lasch (2020)Lohmer, J., & Lasch, R. (2020). Blockchain in operations management and manufacturing: Potential and barriers. Computers & Industrial Engineering, 149, 106789., and Wamba and Queiroz (2020)Wamba, S. F., & Queiroz, M. M. (2020). Blockchain in the operations and supply chain management: Benefits, challenges and future research opportunities. Elsevier.
Reduction of unnecessary expenses and increase in employee satisfaction Bienhaus and Haddud (2018)Bienhaus, F., & Haddud, A. (2018). Procurement 4.0: Factors influencing the digitisation of procurement and supply chains. Business Process Management Journal, 24(4), 965–984. and Chonsawat and Sopadang (2020)Chonsawat, N., & Sopadang, A. (2020). Defining SMEs’ 4.0 readiness indicators. Applied Sciences, 10(24), 8998.
  • Source: Elaborated by the authors.
  • Automation

    One of the great benefits that the introduction of I4.0 brought to OM is the automation of the operations and processes due to the adoption of digital tools, such as AI and IoT (Chauhan et al., 2021Chauhan, C., Singh, A., & Luthra, S. (2021). Barriers to industry 4.0 adoption and its performance implications: An empirical investigation of emerging economy. Journal of Cleaner Production, 285, 124809.; Wang et al., 2021Wang, Y., Skeete, J.-P., & Owusu, G. (2021). Understanding the implications of artificial intelligence on field service operations: A case study of BT. Production Planning & Control, 1–17.), that allow automating and monitoring processes. It brings a broad opportunity for growth for those who adopt them, increasing real-time communication and reducing costs and resources used (Lohmer & Lasch, 2020Lohmer, J., & Lasch, R. (2020). Blockchain in operations management and manufacturing: Potential and barriers. Computers & Industrial Engineering, 149, 106789.; Olsen & Tomlin, 2020Olsen, T. L., & Tomlin, B. (2020). Industry 4.0: Opportunities and challenges for operations management. Manufacturing & Service Operations Management, 22(1), 113–122.; Watanabe et al., 2019Watanabe, I., Yoshibayashi, T., & Imaoka, T. (2019). AI-based demand forecasting for both reliable forecasting and efficient operation: Dynamic ensemble forecasting. Fujitsu Scientific & Technical Journal, 55(2), 14–22.).

    Improved decision-making

    The potential to significantly change the design and organization of work is one of the main factors related to the implementation of the new technologies (Diwas, 2020Diwas, K. (2020). Worker productivity in operations management. Foundations and Trends® in Technology, Information and Operations Management, 13(3), 151–249.; Lohmer & Lasch, 2020Lohmer, J., & Lasch, R. (2020). Blockchain in operations management and manufacturing: Potential and barriers. Computers & Industrial Engineering, 149, 106789.). Many AI technologies, such as neural networks or deep learning, are designed to detect human capability patterns that help monitor and present diverse decision options to assist in further decision-making (Diwas, 2020Diwas, K. (2020). Worker productivity in operations management. Foundations and Trends® in Technology, Information and Operations Management, 13(3), 151–249.; Thomas, 2019Thomas, A. (2019). Convergence and digital fusion lead to competitive differentiation. Business Process Management Journal, 26(3), 707–720.; Wang et al., 2021Wang, Y., Skeete, J.-P., & Owusu, G. (2021). Understanding the implications of artificial intelligence on field service operations: A case study of BT. Production Planning & Control, 1–17.).

    IoT technologies, in turn, generate a lot of autonomy in the processes in which machines can interact autonomously, initiate steps in a process, or request maintenance measures based on the data collected from the distributed IoT sensors, thus helping in decision-making, facilitating the understanding of maintenance decision-making needs (Lohmer & Lasch; 2020Lohmer, J., & Lasch, R. (2020). Blockchain in operations management and manufacturing: Potential and barriers. Computers & Industrial Engineering, 149, 106789.).

    Broad real-time data collection

    The possibility of collecting data broadly and in real time by implementing AI and IoT tools in the area of operations allowed a better knowledge of factors that interfere with productivity. It enables improvements and the opening of new possibilities that greatly increased production efficiency and bring important advances in the area (Guha & Kumar, 2018Guha, S., & Kumar, S. (2018). Emergence of big data research in operations management, information systems, and healthcare: Past contributions and future roadmap. Production and Operations Management, 27(9), 1724–1735.). According to Li, Dai et al. (2020)Li, Y., Dai, J., & Cui, L. (2020). The impact of digital technologies on economic and environmental performance in the context of industry 4.0: A moderated mediation model. International Journal of Production Economics, 229, 107777., in addition to real-time data collection, digital tools offer increased production capacity by providing data support for evaluation, planning, and decision-making in OM, all broadly, online, and quickly.

    Centralization and sharing of information between the system and people

    According to Zhang et al. (2020)Zhang, F., Wu, X., Tang, C. S., Feng, T., & Dai, Y. (2020). Evolution of operations management research: From managing flows to building capabilities. Production and Operations Management, 29(10), 2219–2229., AI and IoT technologies in OM help to build and connect platforms and to centralize data. These tools contribute to communication between systems and between people, improving processes, planning, and controls (Fettermann et al., 2018Fettermann, D. C., Cavalcante, C. G. S., Almeida, T. D. de, & Tortorella, G. L. (2018). How does Industry 4.0 contribute to operations management? Journal of Industrial and Production Engineering, 35(4), 255–268.; Kobbacy et al., 2007Kobbacy, K. A., Vadera, S., & Rasmy, M. H. (2007). AI and OR in management of operations: History and trends. Journal of the Operational Research Society, 58(1), 10–28.), thus facilitating command and responses both for devices and teams to perform operations (Erasmus et al., 2018Erasmus, J., Grefen, P., Vanderfeesten, I., & Traganos, K. (2018). Smart hybrid manufacturing control using cloud computing and the internet-ofthings. Machines, 6(4), 62.). High operational efficiency and more effective decision-making are observed when a complete sharing of data is present and there is an on-demand use of the generated information (Li, Dai et al., 2020Li, Y., Dai, J., & Cui, L. (2020). The impact of digital technologies on economic and environmental performance in the context of industry 4.0: A moderated mediation model. International Journal of Production Economics, 229, 107777.; Lohmer & Lasch, 2020Lohmer, J., & Lasch, R. (2020). Blockchain in operations management and manufacturing: Potential and barriers. Computers & Industrial Engineering, 149, 106789.).

    More agile information management

    AI and IoT perform tasks with greater agility and lower errors, which makes management easier and faster (Wang et al., 2021Wang, Y., Skeete, J.-P., & Owusu, G. (2021). Understanding the implications of artificial intelligence on field service operations: A case study of BT. Production Planning & Control, 1–17.). In addition to analyzing large amounts of data to learn, simulate, and share, they can be useful in planning, operation, and decision-making (Diwas, 2020Diwas, K. (2020). Worker productivity in operations management. Foundations and Trends® in Technology, Information and Operations Management, 13(3), 151–249.; Fisch & Fleury, 2020Fisch, F., & Fleury, A. (2020). Towards the digitally-enabled multinational inner network (DEMIN). Gestão & Produção, 27.). Competitive differentiation in the market is obtained when this set of tools is configured to process information at high speed to allow a more effective and efficient alignment between functional groups, systems, and the different functions of OM (Li, Dai et al., 2020Li, Y., Dai, J., & Cui, L. (2020). The impact of digital technologies on economic and environmental performance in the context of industry 4.0: A moderated mediation model. International Journal of Production Economics, 229, 107777.; Thomas, 2019Thomas, A. (2019). Convergence and digital fusion lead to competitive differentiation. Business Process Management Journal, 26(3), 707–720.).

    Increase in productivity

    One of the reasons why companies adopt digital technologies in several areas is the possibility of increasing productivity (Felsberger et al., 2020Felsberger, A., Qaiser, F. H., Choudhary, A., & Reiner, G. (2020). The impact of Industry 4.0 on the reconciliation of dynamic capabilities: Evidence from the European manufacturing industries. Production Planning & Control, 33(2–3), 277–300.) by being able to reduce downtime, increase quality, minimize waste (Hannola et al., 2018Hannola, L., Richter, A., Richter, S., & Stocker, A. (2018). Empowering production workers with digitally facilitated knowledge processes: A conceptual framework. International Journal of Production Research, 56(14), 4729–4743.), and make better use of data and productivity (Shou et al., 2019Shou, Y., Zhao, X., & Chen, L. (2019). Operations strategy of cloud-based firms: Achieving firm growth in the big data era. International Journal of Operations & Production Management, 40(6), 873–896.). In addition to investing in technologies, working on aspects such as training and the development of different competencies that are in line with digital transformation also helps to increase productivity in operations (Yunus, 2020Yunus, E. N. (2020). The mark of industry 4.0: how managers respond to key revolutionary changes. International Journal of Productivity and Performance Management, 70(5), 1213–1231.).

    Simplified monitoring

    By using digital technologies in OM, one of the improvements that stand out is the more agile and facilitated monitoring, thus increasing trust between partners and managers (Kumar et al., 2018Kumar, S., Mookerjee, V., & Shubham, A. (2018). Research in operations management and information systems interface. Production and Operations Management, 27(11), 1893–1905.; Wamba & Queiroz, 2020Wamba, S. F., & Queiroz, M. M. (2020). Blockchain in the operations and supply chain management: Benefits, challenges and future research opportunities. Elsevier.). Monitoring can be simplified and centralized in OM by using AI in projects, scheduling, planning, quality, and fault diagnosis (Kobbacy & Vadera, 2011Kobbacy, K. A., & Vadera, S. (2011). A survey of AI in operations management from 2005 to 2009. Journal of Manufacturing Technology Management, 22, i.6.; Lohmer & Lasch, 2020Lohmer, J., & Lasch, R. (2020). Blockchain in operations management and manufacturing: Potential and barriers. Computers & Industrial Engineering, 149, 106789.; Isaksson et al., 2018Isaksson, A. J., Harjunkoski, I., & Sand, G. (2018). The impact of digitalization on the future of control and operations. Computers & Chemical Engineering, 114, 122–129.).

    Reduction of unnecessary expenses; increase employee satisfaction

    By introducing technological trends in operations, it is possible to observe a reduction in costs, defect rates, heavy lifting, and incidents due to the more focused and fast planning that managers can do (Chonsawat & Sopadang, 2020Chonsawat, N., & Sopadang, A. (2020). Defining SMEs’ 4.0 readiness indicators. Applied Sciences, 10(24), 8998.). Other benefits perceived in the operation is the decrease in repetitive operations or certain cases, replacing some simple operations performed by employees, freeing them up for nobler tasks (Bienhaus & Haddud, 2018Bienhaus, F., & Haddud, A. (2018). Procurement 4.0: Factors influencing the digitisation of procurement and supply chains. Business Process Management Journal, 24(4), 965–984.), which increases employee satisfaction.

    Summary of discussions and research proposals and opportunities

    The objective of a systematic review of the literature is to improve the understanding of certain topics, based on what has been discussed previously; analyze what is currently happening; and start a discussion on future avenues for the theme studied (Webster & Watson, 2002Webster, J., & Watson, R. T. (2002). Analyzing the past to prepare for the future: Writing a literature review. MIS Quarterly, 26(2), XIII–XXIII.). From the analyses performed, some questions are arising from gaps that still need to be investigated. Table 5 presents the consolidation of these questions and gaps related to OM.

    Table 5
    Summary of discussions highlighting the gaps identified

    CONCLUSION

    The present study had as general objective to analyze how companies are using IoT and AI to improve the flexibility and reliability of the operation, modify their way of acting, and improve their competitiveness by differentiating themselves in the market. To answer this question, a systematic review of the literature was conducted, analyzing articles published in the WoS and Scopus databases between 2007 and 2021. The research questions raised were:

    • Q1: What are the main barriers found in the literature to the adoption of new technologies, such as AI and IoT, in OM?

    • Q2: What operational capabilities could or have been impacted and improved by the adoption of new technologies, such as AI and IoT?

    Answering Q1, among the barriers identified, some stand out, as the difficulty of working with data – generation, collection, and analysis –, which influences both the implementation and the use of IoT and the possibility of more elaborated analyses to improve decision-making. Another barrier identified is the adoption of new technologies by the users. This barrier can be seen in the expression of the insecurities and feelings of vulnerability when users start using these new technologies.

    In response to Q2, concerning improvements made because of the use of new technologies, there is a group of studies that focus on operational improvements, such as automation of processes and procedures; ways to increase productivity; achieve improvements in the decision-making process; improvements related to the control and monitoring of information and operations; reduction of general costs; and improvements in employee satisfaction. As a consolidation of these analyses, this paper presents a summary table (Table 5) with some questions that arise from gaps that remain when analyzing the impact of both barriers and benefits of adopting AI and IoT in OM.

    As a contribution to the practice, the results present an overview of the impact that AI and IoT have on OM. This understanding can help managers in the implementation of technologies such as AI and/or IoT, in order to identify which points of improvement should be sought and what care should be taken for a correct decision.

    Regarding the theory, the contribution of this research begins with the analysis of the network of correlations formed by the keywords in which it was possible to observe how the area of OM was being incorporated by themes of digital transformation such as i4.0. The relationship between AI, IoT and OM, within the context of digital transformation, is presented in the present study, but there are other technologies that have been highlighted, such as big data and blockchain. Future research to assess how these technologies impact OM can help advance knowledge of the field. Another line of future research is to evaluate whether the socioeconomic context could affect the adoption of new technologies in OM – an aspect that was not verified in the present study. This point and the fact that it has looked only at journal articles, leaving out those presented at congresses, represent the limitations of the present study. But the consolidation of both barriers and benefits, the presentation of the framework consolidating the still existing questions, and the suggestions made of future research are important contributions of this work to the advancement of the area.

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    Publication Dates

    • Publication in this collection
      22 July 2022
    • Date of issue
      2022

    History

    • Received
      06 Apr 2021
    • Accepted
      15 Oct 2021
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