期刊
出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.protcy.2014.08.061
关键词
Quadruple tank process; PID controller and structure; Multivariable controller; Minimum and Non-minimum system
This paper analyses the Proportional-Integral-Derivative (PID) controller's performance for quadruple tank process. The selection of controlling the flow ratios in quadruple tank process act as Minimum and Non-minimum phase system. Its performance can be affected when system is shifted from minimum to non-minimum phase configuration and vice versa. This paper mainly focuses on searching the optimal controller structure by increasing the controllers' performance criteria. A comparative study on different controllers' structures responses are in the presence of peak overshoot. A simulation study of PID controller and Modified PID controller structures have been designed and to analyzed the different controllers' performance for the minimum and non-minimum phase system. The simulation results show that the PI-PD controller structure is provides enhanced performance for the set point tracking with nonappearance of peak overshoot. Crown Copyright (C) 2014 Published by Elsevier Ltd.
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