Abstract

It is difficult to formulate an exact mathematical model of hydrostatic transmission due to nonlinear and time-varying characteristic. Based on fuzzy control and PID control, a new type of self-tuning fuzzy proportional integral derivative (PID) controller (STFPIDC) was designed. The comparative performances of the proposed STFPIDC and classical PID controller have been investigated through simulation studies using MATLAB/SIMULINK. From the simulation studies it has been found out that the performance of the proposed STFPIDC is better than classical PID controller when used in hydrostatic transmission speed control system.

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