Mobile Satellite Antenna Tracking System Design with Intelligent Controller
نویسنده
چکیده
This research applied an intelligent controller for mobile satellite antenna tracking system design. The intelligent controller is with both the traditional PI and the fuzzy control methods. The antenna tracking and the stabilization loops were designed firstly according to the bandwidth and phase margin requirements. However, the performance would be degraded if the tacking loop gain is reduced due to parameter variation. On the other hand a PD type of fuzzy controller was also applied for tracking loop design. It can be seen that the system performance obtained by the fuzzy controller was better for low antenna tracking gain. Thus this research proposed an intelligent controller by taking both traditional PI and fuzzy controllers for antenna tracking system design with appropriate weighting factors. The results show that the performances are better, and the tracking gain parameter variation effect can be reduced. Key-Words: Antenna tracking loop, Stabilization loop, Fuzzy controller, PI compensator, Intelligent controller
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