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This paper develops an adaptive proportional-integral-derivative (APID) control system to deal with the metallic sphere position control of a magnetic levitation system (MLS), which is an intricate and highly nonlinear system. The proposed control system consists of an adaptive PID controller and a fuzzy compensation controller. The adaptive PID controller is a main tracking controller, and the parameters...
Direct methanol fuel cell is a complex nonlinear system, which is difficult to establish accurate mathematical model and control. In this article, we use state-space model to analyze this system. In terms of application, we make use of multi-variable fuzzy control theory and design a parameter adaptive fuzzy PID controller to solve some problems such as time variation and uncertainty in system control...
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