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author:

苗琳璐 (苗琳璐.) [1] | 王武 (王武.) [2] | 李玉榕 (李玉榕.) [3]

Indexed by:

CQVIP PKU CSCD

Abstract:

针对故障未知但有界的非线性系统,提出了一种用于故障诊断的集员滤波器的设计方法,保证系统的状态、故障信号的值100%包含在上下界内.采用T-S模糊模型近似表示非线性系统,并假设过程噪声、测量噪声、故障信号的值和模型的近似误差有界,采用S-过程和线性矩阵不等式(LMI)方法设计集员滤波器,最后运用递归优化算法对集员滤波器的设计进行优化.基于集员滤波器的故障诊断方法不仅可以对故障大小进行估计,还能够检测出故障信号的类型.数值仿真说明了该方法的可行性和有效性.

Keyword:

T-S模型 故障诊断 线性矩阵不等式(LMI) 集员滤波器 非线性系统

Community:

  • [ 1 ] 福州大学电气工程与自动化学院福州350108

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Source :

高技术通讯

ISSN: 1002-0470

Year: 2014

Issue: 2

Page: 208-214

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 1

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