Adaptive attitude takeover control for space non-cooperative targets with stochastic actuator faults
Adaptive attitude takeover control for space non-cooperative targets with stochastic actuator faults
复制标题
具有随机执行器故障的空间非合作目标的自适应姿态接管控制
DOI:
10.1016/j.ijleo.2017.02.071
复制
发表时间:
2017-05
期刊:
影响因子:
3.1
通讯作者:
Che Dejia
中科院分区:
文献类型:
--
作者:
Wang Zheng;Yuan Jianping;Che Dejia
This paper focuses on the attitude takeover control for the space non-cooperative targets with stochastic actuator faults. In this paper, the stochastic deviation faults and gain faults of the actuators, as well as the inertia tensor calculated errors are all under consideration. By introducing an adaptive deviation fault compensation term and an input uncertainty compensation law in a nonlinear feedback controller, an adaptive fault tolerant attitude takeover control scheme is synthesized in this paper. The considered stochastic thruster faults, the calculated inertia tensor error and the external disturbance can be compensated, the stochastic attitude stabilization and tracking are maintained as a result. Based on a quadratic Lyapunov function, the proof of the stochastic convergence is completed. Simulation results demonstrate the effectiveness and advantages of the proposed method.
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