[1]王 征,高炜欣,陈 义,等.控制系统中故障检测向量的解耦及次优设计[J].南京理工大学学报(自然科学版),2017,41(04):472.[doi:10.14177/j.cnki.32-1397n.2017.41.04.012]
　Wang Zheng,Gao Weixin,Chen Yi,et al.Decoupling and sub-optimal design of fault detection vector for control system[J].Journal of Nanjing University of Science and Technology,2017,41(04):472.[doi:10.14177/j.cnki.32-1397n.2017.41.04.012]
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控制系统中故障检测向量的解耦及次优设计()
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《南京理工大学学报》（自然科学版）[ISSN:1005-9830/CN:32-1397/N]

卷:
41卷
期数:
2017年04期
页码:
472
栏目:
出版日期:
2017-08-31

文章信息/Info

Title:
Decoupling and sub-optimal design of fault detection vector for control system
文章编号:
1005-9830(2017)04-0472-07
作者:
王 征1; 高炜欣1; 陈 义2; 李飞过1
1.西安石油大学 光电油气测井与检测教育部重点实验室,陕西 西安 710065; 2.西安科技大学 电控学院,陕西 西安 710000
Author(s):
Wang Zheng1; Gao Weixin1; Chen Yi2; Li Feiguo1
1.Key Laboratory of Photo-electricity Gas-Oil Logging and Detecting,Ministry of Education,Xi’an ShiyouUniversity,Xi’an 710065,China; 2.China Xi’an University of Science and Technology,Xi’an 710000,China
关键词:
自动控制;  故障检测;  奇偶空间;  矩阵范数
Keywords:
automatic control;  fault detection;  parity space;  matrix norm
分类号:
V44
DOI:
10.14177/j.cnki.32-1397n.2017.41.04.012
摘要:
在控制系统检测与诊断的奇偶空间法中,为了实现奇偶向量的最优解耦设计,同时解决最优向量不存在下次优解的问题,该文研究了奇偶空间法的解决框架。首先对结构化的状态空间模型,包括干扰、故障模型,推导出不同通道解耦向量的构造方法,对向量存在的必要和充分条件进行证明。针对无解耦向量存在的情况下,采用广义特征值法推导出次优解耦向量的构造方法。得到了奇异值分解法获取最优解耦向量的构造方法,以及广义特征值法获取次优解耦向量的构造方法,给出了数字仿真。仿真验证了方法的有效性,扩展和完善了奇偶空间法在故障诊断与检测中的应用。
Abstract:
Considering the parity space method for fault detection and diagnosis of the control system,and in order to design the optimal decoupling parity vector,and find the optimum solution when the optimal vector does not exist,this paper studies the framework of the problem.Firstly,the state space models are given,including the interference and the fault.The decoupling fault detect vector for different channels is derived,the necessary and sufficient conditions for the existence of the vector are proved.Without the presence of the decoupling vector,a generalized Eigen value method is used to deduce the subprime decoupling vector.The singular value decomposition method to obtain the optimal decoupling vector method is founded,the generalized Eigen value method is used to obtain the subprime decoupling vector,and the digital simulation is given.The simulation verifies the effectiveness of the method.The paper extends and improves the parity space method in the application of fault diagnosis and detection.

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备注/Memo

备注/Memo:
收稿日期:2016-04-15 修回日期:2017-01-17基金项目:陕西省教育厅重点实验室科研计划项目(14JS079); 2013陕西省教育厅自然科学专项(2013JK1077); 陕西省自然科学基础研究计划青年人才项目(2015JQ5129)
作者简介:王征(1982-),男,讲师,主要研究方向:故障诊断,状态估计,模式识别等,E-mail:satellite_orbit210@163.com。
引文格式:王征,高炜欣,陈义,等.控制系统中故障检测向量的解耦及次优设计[J].南京理工大学学报,2017,41(4):472-478.
投稿网址:http://zrxuebao.njust.edu.cn
更新日期/Last Update: 2017-08-31