Intelligent Ziegler-Nichols-based Fuzzy Controller Design for Mobile Satellite Antenna Tracking System with Parameter Variations Effect

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Provided by: WSEAS
Topic: Hardware
Format: PDF
In this paper, the authors applied both the traditional, Ziegler-Nichols-based and Ziegler-Nichols-based fuzzy control methods for mobile satellite antenna tracking system design. Firstly, the antenna tracking and the stabilization loops were roughly designed according to the traditional bandwidth and phase margin requirements. However, the performances would be degraded if the tacking loop gain is reduced due to parameter variations. On the other hand both Ziegler-Nichols-based PID-type and Ziegler-Nichols-based fuzzy controllers were also applied in the tracking loop for refinement.
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