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Design and Application of PID Controller with Fuzzy Self-adjusting Parameter

Bo Jiang

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Abstract

Aiming at the problem that conventional PID controller can not adjust parameters itself on line,a method of PID-control with fuzzy self-adjusting parameter is proposed based on fuzzy control technique.The result of simulation in fuzzy logic tool box of MATLAB proves that the controller can e-laminate steady state error of system and improves the performance of ordinary fuzzy controller.It possesses both the precise character of PID controller and the flexible advantage of fuzzy controller,and can guarantee that the regulation system has good dynamic and static quality.

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What this paper is about

Aiming at the problem that conventional PID controller can not adjust parameters itself on line,a method of PID-control with fuzzy self-adjusting parameter is proposed based on fuzzy control technique.The result of simulation in fuzzy logic tool box of MATLAB proves that the controller can e-laminate steady state error of system and improves the performance of ordinary fuzzy controller.It possesses both the precise character of PID controller and the flexible advantage of fuzzy controller,and can guarantee that the regulation system has good dynamic and static quality.

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Available abstract

Aiming at the problem that conventional PID controller can not adjust parameters itself on line,a method of PID-control with fuzzy self-adjusting parameter is proposed based on fuzzy control technique.The result of simulation in fuzzy logic tool box of MATLAB proves that the controller can e-laminate steady state error of system and improves the performance of ordinary fuzzy controller.It possesses both the precise character of PID controller and the flexible advantage of fuzzy controller,and can guarantee that the regulation system has good dynamic and static quality.

Key concepts: PID controller, Control theory (sociology), Fuzzy logic, MATLAB, Controller (irrigation), Control engineering, Fuzzy control system, Open-loop controller

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