A design of PID parameters self-tuning fuzzy control system and its incorporation with practical realization on PLC

Authors:
Liu Hongling;Jiang Chuanwen;Zhang Yan
Affiliations:
Department of Electrical Engineering, Shanghai Jiaotong University, Shanghai, P.R. China;Department of Electrical Engineering, Shanghai Jiaotong University, Shanghai, P.R. China;Department of Electrical Engineering, Shanghai Jiaotong University, Shanghai, P.R. China
Venue:
ROCOM'06 Proceedings of the 6th WSEAS international conference on Robotics, control and manufacturing technology
Year:
2006

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Abstract

In this paper, for nonlinear, time-varying and delayed system, PID parameters self-tuning fuzzy control was applied to a level process. The method of using VC++ programming to realize fuzzy control algorithm and obtain the discrete fuzzy control table is proposed, which simplified the computing process greatly. Furthermore, combing the inquiry of fuzzy control table and PID function module in PLC, the bottom-layer of fuzzy control on PLC is realized. Simulation by M-language of MATLAB validates the effectiveness of PID parameters self-tuning fuzzy control system.