A nonparametric health index and its statistical threshold for machine condition monitoring

•Statistical modeling and statistical analysis of normalized square envelope spectrum are proposed.•A nonparametric health index and its statistical threshold are constructed for system health monitoring.•Only a normal dataset is required in the statistical modeling and analysis.•Box-Cox transformat...

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Veröffentlicht in:	Measurement : journal of the International Measurement Confederation 2021-01, Vol.167, p.108290, Article 108290
Hauptverfasser:	Zhong, Jingjing, Wang, Dong, Li, Chuan
Format:	Artikel
Sprache:	eng
Schlagworte:	Kurtosis Machine condition monitoring Machinery condition monitoring Monitoring systems Nonparametric health index Nonparametric statistics Significance level Smoothness Statistical analysis Statistical models Statistical threshold Studies
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