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Finite-time output feedback attitude stabilisation for rigid spacecraft with input constraints

机译:具有输入约束的刚性航天器的有限时间输出反馈姿态稳定

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摘要

This study deals with finite-time output feedback attitude stabilisation problem for rigid spacecraft systems subject to input constraints. First, a continuous saturated state feedback controller is proposed based on the homogeneous method, after which can guarantee the closed-loop system is global finite-time stable. Then, a switched saturated output feedback controller is developed under a state observer, after which can guarantee the closed-loop system is semi-global finite-time stable. Simulation results are given to demonstrate the effectiveness of the proposed method.
机译:这项研究处理受输入约束的刚性航天器系统的有限时间输出反馈姿态稳定问题。首先,基于齐次方法提出了一种连续的饱和状态反馈控制器,其后可以保证闭环系统是全局有限时稳定的。然后,在状态观测器下开发了饱和开关输出反馈控制器,此后可以保证闭环系统是半全局有限时间稳定的。仿真结果证明了该方法的有效性。

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