Abstract

Constant pressure water supply for the pumping station complex large time delay system, traditional PID control is difficult to ensure that any working condition always have a good control performance and fast response. These papers presents speed control system of constant pressure pump unit using fuzzy self-tuning PID control strategy, in order to achieve real-time tuning of PID parameters, and design a fuzzy self tuning PID controller. Constant parameters of the actual pumping station based on a model in Matlab / Simulink simulation model built in the simulation results show that the fuzzy self-tuning PID controller with the output response than the traditional PID fast adjustment time is short, no overshoot, steady-state, high precision, right parameters has strong robustness, etc., can be a good solution to a complex pump-delay system problems.

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