基于扰动块的柔性臂分布式滚动时域估计

TP273; 针对柔性机械臂因在实际运动过程中易发生变形而需进行状态监测的问题,提出一种基于扰动块的分布式滚动时域估计算法.在分布式一致性滚动时域估计的基础上,通过设计扰动块并将其应用于估计窗口内的过程扰动序列,减少了与优化相关的变量,从而降低了算法的计算量,实现快速性.通过分析算法在最大分块长度下的可行性与收敛性,建立了保证算法的优化问题存在等价解的假设条件,并将结果推广到了过程扰动任意分块的情况.仿真结果表明:与不加扰动块的算法相比,所提算法能在不影响估计误差的前提下有效缩短计算时间....

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Published in上海交通大学学报 Vol. 56; no. 7; pp. 868 - 876
Main Authors 徐晨辉, 俞芳慧, 何德峰
Format Journal Article
LanguageChinese
Published 浙江工业大学信息工程学院,杭州310023 01.07.2022
Subjects
滚动时域估计
状态估计
分布式估计
扰动块
柔性机械臂
Online AccessGet full text
ISSN1006-2467
DOI10.16183/j.cnki.jsjtu.2021.186

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Abstract TP273; 针对柔性机械臂因在实际运动过程中易发生变形而需进行状态监测的问题,提出一种基于扰动块的分布式滚动时域估计算法.在分布式一致性滚动时域估计的基础上,通过设计扰动块并将其应用于估计窗口内的过程扰动序列,减少了与优化相关的变量,从而降低了算法的计算量,实现快速性.通过分析算法在最大分块长度下的可行性与收敛性,建立了保证算法的优化问题存在等价解的假设条件,并将结果推广到了过程扰动任意分块的情况.仿真结果表明:与不加扰动块的算法相比,所提算法能在不影响估计误差的前提下有效缩短计算时间.
AbstractList TP273; 针对柔性机械臂因在实际运动过程中易发生变形而需进行状态监测的问题,提出一种基于扰动块的分布式滚动时域估计算法.在分布式一致性滚动时域估计的基础上,通过设计扰动块并将其应用于估计窗口内的过程扰动序列,减少了与优化相关的变量,从而降低了算法的计算量,实现快速性.通过分析算法在最大分块长度下的可行性与收敛性,建立了保证算法的优化问题存在等价解的假设条件,并将结果推广到了过程扰动任意分块的情况.仿真结果表明:与不加扰动块的算法相比,所提算法能在不影响估计误差的前提下有效缩短计算时间.
Author 徐晨辉
俞芳慧
何德峰
AuthorAffiliation 浙江工业大学信息工程学院,杭州310023
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Keywords 滚动时域估计
状态估计
分布式估计
扰动块
柔性机械臂
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