Research on time-frequency characteristic of transmission quality problem diagnosis
2011 IEEE 18th International Conference on Industrial Engineering and Engineering Management, IE and EM 2011(2011)
摘要
In order to assure the gearbox quality, it is a key step for most transmissions manufacturers to do the quality detection on the end of assembly line (QDEAL). Aiming at the most universal problem in the course of QDEAL-Knock, and the generating mechanism is analyzed; a detecting method which combines wavelet transform with traditional time domain and frequency domain analysis is developed; and the time-frequency characteristic which can denote transmission's knock problem is advanced. Finally, there is an experiment to examine the detecting effects of this method. The experimental results show that the time-domain information and scale-frequency characteristic, we can intuitively detect the generation of knock problem and confirm the location of knock based on the method developed in this paper. © 2011 IEEE.
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关键词
knock,time-frequency characteristic,transmission assembly line,time frequency analysis,gears,wavelet transforms,quality management,time frequency,frequency domain analysis,feature extraction,time domain,wavelet transform
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