Global set stabilisation of the spacecraft attitude using finite-time control technique

Global set stabilisation of the spacecraft attitude using finite-time control technique
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使用有限时间控制技术实现航天器姿态的全局稳定

DOI:
10.1080/00207170802342818
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发表时间:
2009-04
影响因子:
2.1
通讯作者:
--
中科院分区:
计算机科学4区
文献类型:
--
作者:

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在这篇文章中,我们重新审视了有外部干扰的刚性航天器的姿态稳定问题。提出了一种利用有限时间控制技术的全局集合镇定方法。在没有扰动的情况下,闭环系统的状态将在有限时间内稳定到一个由两个平衡点组成的集合。在存在扰动的情况下,这些状态将被稳定到这个集合的邻域。通过构造一个特殊的Lyapunov函数,证明了闭环系统满足全局集合稳定性.本文的控制方法基于集合控制思想,更自然、更节能。数值仿真结果证实了该方法的有效性.
In this article, we revisit the classical problem of attitude stabilisation for a rigid spacecraft with external disturbances. A global set stabilisation method using finite-time control technique is proposed. In the absence of disturbances, the states of the closed loop system will be stabilised in finite time to a set consisting of two equilibria. In the presence of disturbances, the states will be stabilised to a neighbourhood of this set. By constructing a particular Lyapunov function, it is proved that the closed-loop system satisfies global set stability. The control method in this article is based on set control idea and thus is more natural and energy-efficient. Numerical simulation results show the effectiveness of the method.
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