Sliding mode control without reaching phase for multimachine power system combined with fuzzy PID based on PSS
نویسندگان
چکیده
The objective of this paper is to design a nonlinear robust controller for the multimachine power system. We present in this study a sliding mode control method without the reaching phase by modifying the terms of the output tracking error combined with the fuzzy Proportional Integral Derivative based on Power System Stabilizer (FPID-PSS). The Mamdani fuzzy inference is used in this study to find the optimal values of the three parameters (Kp, Ki, Kd) of (PID -PSS). The proposed approach is designed to eliminate completely the reaching phase and to enhance the stability and the dynamic response of the multimachine power system. In order to test the effectiveness of the proposed method, the simulation results show the damping of the oscillations of the angle and angular speed with reduced overshoots and quick settling time. Key-Words: Fuzzy Logic, Reaching Phase, Sliding Mode Control, Proportional Integral Derivative, Power System Stabilizer, Multimachine Power System.
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