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To simplify the design and realization of controller, the method of robust H∞ static output feedback is discussed in this paper. A sufficient condition that satisfies given performance index is presented for constrained system, and an H∞ static output feedback control design method is proposed. By converting the constrained conditions and the elliptical set that contains output trajectory into a set...
The control accuracy of flexible satellite attitude would be impacted by the large scale changes of the dynamic parameters caused by the temperature and structural deformation, when flight in orbit. Considering the case of the existence of quality parameters uncertainty, flexible modal frequency uncertainty and external disturbance, the paper studies the flexible satellite attitude dynamics and the...
This paper investigates the problem of robust and non-fragile H-infinity control for unmanned helicopter (UMH). Model uncertainty and gust disturbance are simultaneously exist. A robust and non-fragile H-infinity control scheme based on output feedback is presented against this problem, and a control system is designed for the linearized mode of UMH. The closed-loop system is asymptotical stable and...
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