DocumentCode
3459308
Title
Detection of Knocking by Wavelet Transform Using Ion Current
Author
Zhang, Zhong ; Saiki, Noriho ; Toda, Hiroshi ; Imamura, Takashi ; Miyake, Tetsuo
Author_Institution
Instrum. Syst. Lab., Toyohashi Univ. of Technol., Toyohashi, Japan
fYear
2009
fDate
7-9 Dec. 2009
Firstpage
1566
Lastpage
1569
Abstract
In this study, we first analyze the characteristics of knocking and the standing-wave by the wavelet transform using the ion current waveform, which is measured in a spark-ignition engine. Based on this result, we design wavelets to detect knocking from the ion current waveform. We next define an evaluation parameter E, and apply it to knocking detection and show its effectiveness.
Keywords
engines; mechanical engineering; spark machining; wavelet transforms; ion current; knocking detection; spark-ignition engine; wavelet transform; Control systems; Engines; Instruments; Laboratories; Signal analysis; Signal detection; Time frequency analysis; Wavelet analysis; Wavelet domain; Wavelet transforms;
fLanguage
English
Publisher
ieee
Conference_Titel
Innovative Computing, Information and Control (ICICIC), 2009 Fourth International Conference on
Conference_Location
Kaohsiung
Print_ISBN
978-1-4244-5543-0
Type
conf
DOI
10.1109/ICICIC.2009.173
Filename
5412491
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