期刊文献+

基于分布估计算法的过驱动卫星动态容错控制分配策略

Dynamic Fault Tolerant Control Allocation for Over-Actuated Satellite Based on Estimation of Distribution Algorithm
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摘要 针对过驱动卫星中期望控制力矩到执行机构输出力矩的控制分配问题,考虑执行机构的最大输出力矩约束,研究了一种基于分布估计算法的动态控制容错分配策略,根据卫星当前任务与故障信息在线选择合适的执行机构。最后,对本文研究的动态容错控制分配策略进行了数学仿真实验,仿真结果验证了该策略的有效性。 In order to solve the control allocation problem that distribute the desired control movement to in- dividual actuator for over - actuated satellite with constrained actuator output movement, a dynamic fault tolerant control allocation scheme based on estimation of distribution algorithm is studied to choose appropri- ate on-line actuator depending on the current task and the fault information of the satellite. Finally, the performance of the proposed scheme is demonstrated via numerical simulation for over-actuated satellite.
出处 《航天控制》 CSCD 北大核心 2013年第6期56-61,90,共7页 Aerospace Control
基金 国家自然科学基金(61203091 61273171) 上海航天科技创新基金(SAST201234) 中央高校基本科研业务费专项资金资助(NS2012069) 南京航空航天大学研究生创新基地(实验室)开放基金(kfjj120107)
关键词 卫星姿态控制 过驱动系统 控制分配 执行机构故障 分布估计算法 Satellite attitude control Over-actuated system Control allocation Actuator fault Estimationof distribution algorithm
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参考文献16

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