Parameters concurrent learning and reactionless control in post-capture of unknown targets by space manipulators
Parameters concurrent learning and reactionless control in post-capture of unknown targets by space manipulators
复制标题
空间操纵器捕获未知目标后的参数并发学习和无反应控制
DOI:
10.1007/s11071-019-04798-w
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发表时间:
2019-04
影响因子:
5.6
通讯作者:
Yuan Jianping
中科院分区:
文献类型:
--
作者:
Zong Lijun;Luo Jianjun;Wang Mingming;Yuan Jianping
This paper studies parameters identification and minimizing base disturbances problems after the space manipulator capturing an unknown target. A concurrent learning algorithm that concurrently uses past motion data points and instantaneous motion data of the system is proposed for the parameters identification. Given a condition for selecting the used past data points as well as a scaling technique to make the parameters have the same magnitude, the concurrent learning algorithm guarantees that parameters identification errors can globally converge to zero at an exponential rate and without the need for satisfying the persistent excitation (PE) condition. An adaptive reactionless control method is proposed based on the passivity theorem and Task-priority method, which ensures that the base attitude is stationary and joint motions satisfy the limits during the system generating excitation motions for the parameters identification. Simulation results verify the effectiveness of the proposed method.
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DOI:
10.1007/978-90-481-9707-1_61
发表时间:
2015
期刊:
--
影响因子:
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作者:
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影响因子:
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10.1109/acc.2011.5991481
发表时间:
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期刊:
Proceedings of the 2011 American Control Conference
影响因子:
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DOI:
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发表时间:
2007-12
期刊:
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影响因子:
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