Implementation of Active Steering Fuzzy PID Controller on a Two-axle Railway Vehicle
Abstract: This thesis investigates the improvement of curving performance of a two-axle railway vehicle using fuzzy PID controller. The control goal during curving is to maintain zero difference between front and rear yaw angle. A mathematical linear model is built up based on a two-axle railway vehicle. A nonlinear model is also created in SIMPACK. The controller is firstly designed and tested on the linear model, subsequently on the nonlinear model after it works on the linear one. Finally, a comparative study of the performance of the fuzzy controller on both linear and nonlinear model is carried out. The results show that the fuzzy PID control can improve the curving performance of the model.
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