International Conference on Mechanical Engineering and Technology (ICMET-London 2011)
66 Auto-Tuning Method of PIDA Controller Based Ongain Margin and Phase Margin
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This paper introduced an Auto-tuning method of PIDA based on gain margin and phase margin, named GPM-PIDA. The article first elaborated the basic principles and methods of PIDA setting, then inferred the installation formula in detail, finally obtained the installation criterion. We compared GPM-PIDA and critical proportioning method (ZN PID. Simulation results show that GPM-PIDA has fast convergence, and reduces the stability of the error, and increases the robustness of the system.