Quaternion-based finite time control for spacecraft attitude tracking
Quaternion-based finite time control for spacecraft attitude tracking
复制标题
基于四元数的航天器姿态跟踪有限时间控制
DOI:
10.1016/j.actaastro.2011.03.001
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发表时间:
2011-07
影响因子:
3.5
通讯作者:
Sun, Zhaowei
中科院分区:
文献类型:
--
作者:
Wu, Shunan;Radice, Gianmarco;Gao, Yongsheng;Sun, Zhaowei
This paper investigates the spacecraft attitude tracking control problem. Two robust sliding mode controllers based on the quaternion and Lagrange-like model are proposed to solve this problem both in the absence of model uncertainties and external disturbances as well as in the presence of these. The controllers can guarantee the convergence of attitude tracking errors in finite time rather than in the asymptotic sense, where time tends to infinity. By constructing a particular Lyapunov function, the convergences of the proposed controllers for the closed-loop systems are proven theoretically. To alleviate the chattering phenomenon while at the same time guaranteeing the finite convergence during the process of attitude tracking, a new function is introduced into the controller. Numerical simulations are finally provided to illustrate the performance of the proposed controllers.
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DOI:
--
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期刊:
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期刊:
Journal of National University of Defense Technology
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DOI:
10.2514/1.45541
发表时间:
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期刊:
--
影响因子:
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