Abstract
To eliminate control error of water level, this paper researches the control algorithm of water-tank in water level control system, and uses the fuzzy controller to improve the control performance, two-dimensional fuzzy controller is designed taking advantaging of Fuzzy Logic Controller, set up the structure mode of the water-tank water level control system according to the characteristics of the water-tank water level control system, give the simulation result of the performance of the fuzzy controller, acquiring waveform graphs of real water level and fixed level, and compared with PID controller. The simulation results show that the fuzzy controller has better control performance than the PID controller.
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