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Application of a new parametric model-based filter to knock intensity measurement

✍ Scribed by M.M. Ettefagh; M.H. Sadeghi; M. Rezaee; R. Khoshbakhti; R. Akbarpour

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
815 KB
Volume
43
Category
Article
ISSN
0263-2241

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✦ Synopsis

In this paper, a new parametric model-based filter is proposed for impact-induced fault intensity measurement. The filter designing steps are based on advanced parametric modeling and decomposition of the non-stationary random vibration signals, extracted from a mechanical system. One of the important innovations of this work throughout filter designing is proposing a method for identifying the most proper latent component of the signal in the undamaged state using instant modules of the signal. By considering this fact that knock is one of the important defects in the spark ignition engines, the proposed filter is applied for knock intensity measurement as a case study. For evaluation purpose, the proposed method is compared with other previous methods in literatures.

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