Fault Detection and Diagnosis of Gear Transmission System via Vibration Analysis

Abstract

Vibration analysis for condition assessment and fault diagnosis has a long history of application to power and mechanical equipment. In the present work, vibration signals of a gearbox are acquired and analyzed with the help of vibration analysis techniques. In order to understand the basic principles of vibration condition monitoring, a test rig with common machine faults (i.e., rolling element bearing damage, gear failure and shaft misalignment), designed and constructed at Madhav Institute of Technology and Science, Gwalior, India, was used. The methods used for extracting and identifying the type of faults are described. It is shown that this experimental setup provides a good illustration of the practical applications of basic theory included in vibration analysis and condition monitoring.

Keywords: gear defects, condition monitoring, vibration analysis, machine fault simulator, fault diagnosis