2007•Journal of Xi'an Technological UniversityRequires access

CPLD Design of Expert System PID Controller

SI Rui-qiang

Abstract

The traditional PID controllers can do nothing for time-varying objects and non-linear systems.This paper integrates the expert system into PID control.Firstly,the expert system obtains the current state of the control system.Secondly,according to the control rules,the adjustable direction and quantity of PID control parameters are confirmed.Lastly,PID control parameters are changed to adapt to the characteristics of object changes and achieve expected effect.

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Available abstract

Key concepts: PID controller, Control theory (sociology), Control engineering, Control system, Computer science, Control (management), Complex programmable logic device, Object (grammar)