Variable Structure Fuzzy PID Plane Flat End Steering Gear Servo System

Author:

Song Le Peng1,Wang Hua Bin1

Affiliation:

1. Chongqing University of Science and Technology

Abstract

A mathematic model, focusing on the control of tail plane actuator servo system, is established based on control theories. Considering its nonlinearity and intermittence, a fuzzy-PID control method is brought forward based on fuzzy theory. The design of a fuzzy-PID controller has been accomplished. and its comparision with conventional PID control and P control has been made. The final system simulation is conducted with Simulink under the effect of unit step signal.The result shows that the fuzzy-PID control has a better performance in speed, response and anti-jamming. It has a satisfactory dynamic characteristic while not losing the advantages of the fuzzy control and the PID control. Therefore, it enhances the integral property of the tail plane actuator servo system and obtains a good control effect. In a word, the new system can meet the requirement of the system better.

Publisher

Trans Tech Publications, Ltd.

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3. Song Lepeng, Dong Zhiming, Xiang Lijuan, et al. Variable universe adaptive fuzzy PID control of spray flow valve[J]. Transactions of the CSAE, 2010, 26(11): 114-118. (in Chinese with English abstract).

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