THE CALCULATION OF THE BARYCENTER AS A CRITERION FOR DETERMINING THE LOCATION OF THE AMBULANCE OPERATIONAL BASE

Sousa, Josiano César de; Alves, Murilo Barros; Belém, José de Figueiredo

doi:10.1590/0101-7438.2020.040.00218216

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ARTICLES • Pesqui. Oper. 40 • 2020 • https://doi.org/10.1590/0101-7438.2020.040.00218216 copy

THE CALCULATION OF THE BARYCENTER AS A CRITERION FOR DETERMINING THE LOCATION OF THE AMBULANCE OPERATIONAL BASE

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

This article presents an analysis to determine the location of the operational base of the ambulance dispatch service by applying the barycenter calculation, using as an object of study the Emergency Medical Assistance Service - SAMU. The research was performed by the quantitative modeling method, through an applied research, so that the results could be used to solve the following problem: How to determine the location of an operational base according to service history? Thus, the objective of this paper is to evaluate the applicability of Operational Research, through the barycenter calculation method as a tool to determine the best location of the operational base. To this end, we analyzed the history of 19,711 calls made from 2010 to 2016, using the software “R-Studio” for a quantitative treatment, which resulted in the proposition of a viable and reliable solution to the problem, validating the method proposed.

Keywords:
calculation of barycenter; location; operational base

Variable	Imperatriz	Maranhão	Brasil
Automobiles	40.820	398.265	51.296.981
Trucks	4.016	38.994	2.684.227
Tractor Trucks	451	4.140	606.679
Pickup Trucks	10.069	106.306	6.880.333
Pickup	1.928	21.868	.053.759
Micro bus	268	4.652	383.325
Motorcycles	52.900	781.186	20.942.633
Scooters	20.321	142.653	3.990.558
Bus	450	8.472	601.522
Tractors	1	65	30.896
Utilities	651	8.469	707.152

Bairro	Ano
Bairro	2010	2011	2012	2013	2014	2015	2016
MileSetessentos	0	1	5	11	8	8	10
CincoIrmaos	1	5	2	3	3	12	7
AguaBoa	0	0	1	1	5	0	0
AltoBonito	4	2	2	0	8	2	1
AltodaBoaVista	0	0	0	0	0	0	0
AsaNorte	4	3	1	1	5	0	0
PedroNSantana	79	121	151	91	82	73	78
AyrtonSena	7	6	10	6	1	2	2
Bacaba	5	1	1	1	0	0	0
Bacuri	205	343	318	239	169	194	201
Uniao	3	1	5	0	8	2	6
PonteDom Afonso	5	0	1	6	7	5	6
BarraGrande	0	0	2	2	7	0	4
Bebedouro	0	0	1	0	5	0	0
BeiraRio	24	56	54	36	19	18	14
BocaDaMAta	32	30	33	27	18	18	29
BomJesus	6	15	12	6	16	13	25
BomSucesso	44	75	55	28	52	27	23
BR010Urbano	206	278	320	362	289	223	210
BR010Rural	61	165	109	59	39	18	6
Cacauzinho	2	8	6	6	3	3	3
Caema	6	5	4	3	2	0	1
Camacari	8	6	9	8	7	6	3
Centro	509	775	650	493	510	414	475
CentroNovo	8	6	4	6	5	5	6
CocoGrande	13	18	21	18	26	40	24
CristoRei	2	1	2	1	2	1	1
CjBrasilNovo	1	1	6	1	6	4	5
CjCartier	2	0	0	0	0	0	0
CjPlanalto	3	2	1	1	2	3	2
Cjvitoria	23	23	23	22	25	18	17
Curtume	2	0	0	0	0	0	0
Davinopolis	0	0	0	0	4	7	14
EstradadoArroz	0	0	10	16	25	29	44
Habitar Brasil	8	2	0	0	7	1	2
GovEdLobao	0	0	0	0	20	4	8
Entroncamento	64	64	67	64	44	44	45
Imigrante	12	7	5	6	5	4	4
Imbiral	6	7	2	11	10	8	6
ItamaGuara	0	0	0	0	10	10	4
JdAmerica	1	0	0	0	0	1	0
JdMoradadoSol	4	3	5	1	3	2	1
JDOriental	0	2	0	1	2	1	5
JrLopes	0	0	0	0	5	1	3
JdSaoFrancisco	0	5	1	0	5	1	3
JDSaoLuis	8	25	43	44	26	33	33
JdSumare	0	1	1	1	1	1	4
Jlisboa	0	0	0	0	3	1	6
JdTropical	2	4	5	7	3	10	12
Jussara	82	76	72	94	54	56	67
LagoaVerde	15	18	19	17	13	17	13
MaranhaoNovo	30	19	21	29	35	26	32
Mercadinho	38	61	43	54	49	41	33
MoradadoBosque	0	0	0	1	0	0	0
Mutirao	3	2	2	4	1	7	0
NovoHorizonte	3	11	4	5	10	7	2
NovaImperatriz	243	363	304	302	231	173	203
NovaVila	0	0	1	0	0	0	0
Ouroverde	6	14	17	9	7	7	7
PqAlvoradaUm	48	69	20	11	8	8	7
PqAlvoradaDois	12	12	40	26	20	20	16
PqAmazonas	10	22	22	26	19	26	23
PqAnhanguera	20	20	22	15	9	8	8
PqDasEstrelas	4	6	7	6	7	10	10
PqDasMangueiras	0	10	3	4	3	6	4
PqDasPalmeiras	2	7	8	7	13	14	8
PqDoBuriti	17	14	15	13	13	10	15
PqDosBosques	0	0	1	0	0	1	2
PqIndependencia	0	3	1	1	0	0	2
PqLagoinha	3	2	0	2	1	2	1
PqPlanalto	5	18	12	21	3	15	14
PqSantaLucia	25	46	49	39	23	19	30
PqSenharol	0	3	5	3	2	2	4
PqTocantins	1	6	1	10	1	6	2
PauDaPreguica	0	0	1	0	0	0	0
PortodaBalsa	2	2	4	5	2	0	2
PovoadoCajueiro	0	0	1	0	0	0	0
PovoadoCampolina	0	0	0	0	0	0	0
PovoadoJiboia	0	0	1	1	0	0	0
PovoadoMaozinha	0	0	0	0	0	0	0
PraiadoCacau	0	4	2	0	0	5	2
RecUniversitario	0	0	0	0	5	3	7
SantaInes	14	12	10	8	5	13	10
SantaRita	115	167	182	139	106	115	119
SantoAmaro	2	0	1	0	0	0	0
SaoJose	23	37	52	34	24	27	23
SãoJdoEgito	9	1	0	3	0	0	0
SaoSalvador	0	0	0	0	0	1	1
SenLaRocque	0	0	0	0	1	2	0
SetorRodoviario	31	43	44	33	21	21	20
SolNascente	0	4	2	1	0	1	1
SuperQuadra602	0	1	0	0	0	0	0
TresPoderes	35	27	24	34	33	20	24
VilaBrasil	4	10	10	16	10	2	3
VilaCafeteira	23	41	59	41	18	35	30
VilaChicodoRadio	5	6	14	1	3	4	1
VilaConceicao	5	5	8	4	0	1	10
VilaDavi2	5	2	7	6	10	7	2
VilaEsmeralda	1	0	2	3	1	8	2
VilaFiquene	16	8	7	11	6	11	7
VilaIndependencia	4	5	6	2	6	3	1
VilaIpiranga	9	16	19	20	9	13	10
VilaJK	24	37	12	19	24	15	26
VilaJoaoCastelo	11	12	11	17	8	12	11
VilaLeandra	1	1	0	2	1	3	0
VilaLobao	78	112	116	99	54	79	72
VilaMacedo	4	6	3	7	9	3	4
VilaMachado	1	1	0	1	0	2	2
VilaMadernina	2	6	0	2	0	0	1
VilaMaria	1	0	0	1	5	1	0
VilaMilitar	0	0	0	0	0	0	0
VilaNegrao	0	0	0	0	0	0	0
VilaNova	74	91	79	64	54	50	52
VilaPalmares	1	1	1	2	8	1	1
VilaParati	0	1	0	4	2	1	3
VilaREdencao	21	36	44	50	48	48	41
VilaSantaLuzia	0	0	0	0	1	0	2
VilaVitoria	12	12	8	17	10	13	14
VilaZenira	4	2	1	1	0	1	1
Vilinha	26	39	45	34	28	21	24
Total	2500	3617	3413	2970	2536	2290	2385

Neighborhood / Year	2010	2011	2012	2013	2014	2015	2016
1 MileSetessentos	0	1	5	11	8	8	10
2 CincoIrmaos	1	5	2	3	3	12	7
3 AguaBoa	0	0	1	1	5	0	0
4 AltoBonito	4	2	2	0	8	2	1
5 AltodaBoaVista	0	0	0	0	0	0	0
6 AsaNorte	4	3	1	1	5	0	0
7 AyrtonSena	7	6	10	6	1	2	2
8 Bacaba	5	1	1	1	0	0	0
9 Uniao	3	1	5	0	8	2	6
10 PonteDomAfonso	5	0	1	6	7	5	6

Neighborhood / Year	2010	2011	2012	2013	2014	2015	2016
1 PedroNSantana	79	121	151	91	82	73	78
2 BR010Rural	61	165	109	59	39	18	6
3 Entroncamento	64	64	67	64	44	44	45
4 Jussara	82	76	72	94	54	56	67
5 SantaRita	115	167	182	139	106	115	119
6 VilaLobao	78	112	116	99	54	79	72
7 VilaNova	74	91	79	64	54	50	52

Neighborhood / Year	2010	2011	2012	2013	2014	2015	2016
1 Bacuri	205	343	318	239	169	194	201
2 BR010Urbano	206	278	320	362	289	223	210
3 NovaImperatriz	243	363	304	302	231	173	203

Neighborhood / Year	2010	2011	2012	2013	2014	2015	2016
1 BeiraRio	24	56	54	36	19	18	14
2 BocaDaMAta	32	30	33	27	18	18	29
3 BomSucesso	47	75	55	28	52	27	23
4 CocoGrande	13	18	21	18	26	40	24
5 Cjvitoria	23	23	23	22	25	18	17
6 EstradadoArroz	0	0	10	16	25	29	44
7 JDSaoLuis	8	25	43	44	26	33	33
8 MaranhaoNovo	30	19	21	29	35	26	32
9 Mercadinho	38	61	43	54	49	41	33
10 PqAlvoradaUm	48	69	20	11	8	8	7
11 PqAlvoradaDois	12	12	40	26	20	20	16
12 PqAmazonas	10	22	22	26	19	26	23
13 PqSantaLucia	25	46	49	39	23	19	30
14 SaoJose	23	37	52	34	24	27	23
15 SetorRodoviario	31	43	44	33	21	21	20
16 TresPoderes	35	27	24	34	33	20	24
17 VilaCafeteira	23	41	59	41	18	35	30
18 VilaJK	24	37	12	19	24	15	26
19 VilaREdencao	21	36	44	50	48	48	41
20 Vilinha	26	39	45	34	28	21	24

Neighborhood / Year	2010	2011	2012	2013	2014	2015	2016
1 Centro	509	775	650	493	510	414	475

Information	Cluster 1	Cluster 2	Cluster 3	Cluster 4	Cluster 5
⁽¹⁾	0.8758162	0.8715476	0.9400000	0.8814893	0.5600000

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[1] *Corresponding author