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The Application of the Fuzzy Self-Adaptive PID Controller to the Automatic Operation Control of Water Transfer Canal System

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4 Author(s)
Zhiliang Ding ; Changjiang Inst. of Survey, Planning, Design & Res., Wuhan, China ; Changde Wang ; Guangming Tan ; Guanghua Guan

The PID controller is widely used in the automatic water conveyance system of canal. However, the conventional PID controller has poor adaptability to canal operating conditions, and along with the variation of canal operating conditions, we must continuously adjust the PID control parameters, it brings some difficulties to the practical operation. And the online self-adapting of PID parameters is also the problem difficult to solve of conventional PID controller, so we combined the fuzzy control with the PID control, designed the fuzzy self-adaptive PID controller, and applied it to the automatic control system of canal operation. When canal operates, according to actual response conditions, the computer uses fuzzy reasoning, and the optimal adjustment of PID parameters can be automatically realized. The simulation results show that this controller can remarkably improve the control effects of canal automatic operation.

Published in:

Intelligent Computation Technology and Automation, 2009. ICICTA '09. Second International Conference on  (Volume:2 )

Date of Conference:

10-11 Oct. 2009