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Brazilian Journal of Chemical Engineering

versão impressa ISSN 0104-6632versão On-line ISSN 1678-4383


TRIERWEILER, J.O.. Application of the RPN methodology for quantification of the operability of the quadruple-tank process. Braz. J. Chem. Eng. [online]. 2002, vol.19, n.2, pp.195-206. ISSN 0104-6632.

The RPN indicates how potentially difficult it is for a given system to achieve the desired performance robustly. It reflects both the attainable performance of a system and its degree of directionality. Two new indices, RPN ratio and RPN difference are introduced to quantify how realizable a given desired performance can be. The predictions made by RPN are verified by closed-loop simulations. These indices are applied to quantify the IO-controllability of the quadruple-tank process.

Palavras-chave : controllability measures; RPN; the quadruple-tank system; controller design.

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