Application of the AGST Method to the Vibration Analysis of the Diesel Engine Cylinder Head Cover
The vibration signal of diesel engine is typically non-stationary and time-varying signal, with complicated transient components. With adaptive concentration method controlled by an additional parameter m, an adaptive generalized S transform (AGST) is developed in this paper. The simulation shows that the AGST method has a better timefrequency resolution than S transform. The AGST method is then applied to analyze the vibration signal of the cylinder head cover of a four-cylinder diesel engine. The result indicates that the timefrequency representation of the vibration signal obtained by AGST has a good resolution, and the vibration components, such as combustion shock and valve-slap, can be exactly identified. The research is of great significance for the structural optimization and vibration control for the diesel engine.
Diesel engine Cylinder head cover Vibration signal AGST Time-frequency analysis
Xu Zheng Zhiyong Hao
Department of Energy Engineering, Zhejiang University, Hangzhou, 310027 China
国际会议
2010 International Conference on Advanced Mechanical Engineering(2010年先进机械工程国际学术会议 AME 2010)
洛阳
英文
222-226
2010-09-04（万方平台首次上网日期，不代表论文的发表时间）