The attitude tracking control problem for a satellite with parameter uncertainties and external disturbances is considered in this paper. For this class of multi-input multi-output uncertain nonlinear systems, a design method of robust output tracking controllers is proposed based on the upper-bounds of the uncertainties. Using the input/output feedback linearization approach and Lyapunov method, a control law is designed, which guarantees that the system output exponentially tracks the given desired output. The proposed controller is easy to compute and complement. Simulation results show that, in the closed-loop system, precise attitude control is accomplished in spite of the uncertainties in the system.
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The simulation results show that the quench protection system meets the requirements of design.
通过模拟实验证明了该失超保护系统满足设计要求。
The simulation results show that the actual media can be described better with anisotropic model than isotropic model.
模拟的结果表明，各向异性模型比各向同性模型可以更好的描述实际介质。
The simulation results show that the method of intelligent sliding mode Variable Structure Control is simple, with good dynamic performance and robust property.
仿真结果表明：开关磁阻电机的智能滑模变结构控制方法简单，有良好的动态性能，较好的鲁棒性。
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