A test rig for the condition-based maintenance application on the traction chain of very high speed trains
Pennacchi, P., Bruni, S., Chatterton, S., Borghesani, P., Ricci, R., Marinis, D., Didonato, A., & Unger-Weber, F. (2011) A test rig for the condition-based maintenance application on the traction chain of very high speed trains. In 9th World Congress on Railway Research, 22 - 26 May 2011, Lille, France .
The preventive maintenance of traction equipment for Very High Speed Trains (VHST) nowadays is becoming very expensive owing to the high complexity and quality of these components that require high reliability. An efficient maintenance approach like the Condition-Based Maintenance (CBM) should be implemented to reduce the costs. For this purpose, an experimental full-scale test rig for the CBM of VHST traction equipment has been designed to investigate in detail failures in the main mechanical components of system, i.e. motor, bearings and gearbox. The paper describes the main characteristics of this unique test rig, able to reproduce accurately the train operating conditions, including the relative movements of the motor, the gearbox and the wheel axle. Gearbox, bearing seats and motor are equipped by accelerometers, thermocouples, torque meter and other sensors in different positions. The testing results give important information about the most suitable sensor position and type to be installed for each component and show the effectiveness of the techniques used for the signal analysis in order to identify faults of the gearbox and motor bearings.
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|Item Type:||Conference Paper|
|Keywords:||Condition-based maintenance, Very high speed, Traction equipment, Damaged bearing, Rolling stock testing|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Dynamics Vibration and Vibration Control (091304)|
|Divisions:||Current > QUT Faculties and Divisions > Science & Engineering Faculty|
|Copyright Owner:||Copyright 2011 [please consult the author]|
|Deposited On:||30 Jul 2014 01:39|
|Last Modified:||31 Jul 2014 13:12|
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