Analysis of Engine Camshaft Bearing Loosening Fault Based-on Model Simulation and Vibration Signal

被引：2
|
作者：
Du Canyi [1 ]
Yu Feifei [1 ]
机构：
[1] Guangdong Polytech Normal Univ, Sch Electromech Engn, Guangzhou, Guangdong, Peoples R China
来源：
MANUFACTURING PROCESS AND EQUIPMENT, PTS 1-4 | 2013年 / 694-697卷
关键词：
Model simulation; Camshaft bearing; Loosening fault; Vibration; Analysis;
D O I：
10.4028/www.scientific.net/AMR.694-697.896
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Virtual technology is used for simulation analysis of engine camshaft bearing-loosening fault. Firstly, dynamic model of engine powertrain and its valve-train is established, and then the model parameters could be set to simulate the camshaft bearing loosening fault, so the vibration acceleration signals on engine cylinder head can be obtained by simulation calculation. Then by analyzing and comparing with the vibration signals in the normal state, camshaft bearing-loosening fault features are extracted. The analytical result based-on model simulation and vibration signal is used to guide the actual engine fault diagnosis.
引用
收藏
页码：896 / 900
页数：5
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