Study on the Condition of Separable Fault of Serial Nonlinear System Under the Process Noise

doi:10.11908/j.issn.0253-374x.2017.08.012

Home > Archive>Volume 45, Issue 08, 2017 >1183-1190. DOI:10.11908/j.issn.0253-374x.2017.08.012

Study on the Condition of Separable Fault of Serial Nonlinear System Under the Process Noise
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                        10.11908/j.issn.0253-374x.2017.08.012
                    
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                        GUO Qiyi1GUO Qiyi1
College of Electronics and Information Engineering, Tongji University, Shanghai 201804, China
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HUANG ShizeHUANG Shize
Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, Shanghai 201804, China
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Abstract:

Through the detailed derivation, this paper proves that the separability is objective existence and gives the form unity conclusion in the condition of the faultseparation about serial linear system and serial nonlinear system when exist the process noise. This paper also combines the wheels bearing fault of 552732QT electric locomotive, Shao guan 8 electric locomotives, the locomotive SS4G0446 of the concrete practice of the fault isolation.

Key words:system; statefault; fault diagnosis; faultseparation

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GUO Qiyi, HUANG Shize. Study on the Condition of Separable Fault of Serial Nonlinear System Under the Process Noise[J].同济大学学报(自然科学版),2017,45(08):1183~1190

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Received:November 24,2015
Revised:June 02,2017
Adopted:May 15,2017
Online: September 07,2017
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