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In this paper a controller for an uncertain active magnetic bearing system is synthesized. A loop-shaping H∞ approach is applied and the performance weights are selected to fulfill the frequency domain specifications. Weight selection is usually done from the engineering perspective and needs some experience. In this work, the selection is automated with a differential evolution algorithm. Objective...
We propose a fuzzy PI-PD controller that is tuned by using genetic algorithm (GA). The fuzzy PI-PD controller preserves the linear structure of the conventional one, but has self-tuned gains. The proportional, integral and derivative gains are nonlinear functions of their input signals having certain adaptive capability in set-point tracking performance. The proposed design is then optimized using...
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