Troubleshooting Noise and Vibration Issues of a Metro Braking System
نویسندگان
چکیده
Abstract Purpose The braking system used on a recently upgraded metro vehicle showed very high low-frequency noise and vibrations levels in service affecting passengers’ comfort leading to both brake calliper lever failures premature wear of pads. characteristics the phenomenon were such that it was classified as groan type. As pads with different tested trying attenuate issue without success, paper describes approach adopted by authors tackle issue. Methods dynamic behaviour all components involved during phase (wheelset, callipers, discs part bogie frame) analysed numerical simulations tests service, finding coincidence natural frequencies wheelset support. this resonance believed be root cause problem, number structural modifications proposed. Results Conclusions After careful selection process included robustness sensitivity analyses, accepted modification proved effective solving applied satisfaction whole fleet.
منابع مشابه
Anytime Near-Optimal Troubleshooting Applied to a Auxiliary Truck Braking System
We consider computer assisted troubleshooting of complex systems, for example of a vehicle at a workshop. The objective is to identify the cause of a failure and repair a system at as low expected cost as possible. Three main challenges are: the need for disassembling the system during troubleshooting, the difficulty to verify that the system is fault free, and the dependencies in between compo...
متن کاملModeling and Troubleshooting with Interventions Applied to an Auxiliary Truck Braking System
We consider computer assisted troubleshooting of complex systems, where the objective is to identify the cause of a failure and repair the system at as low expected cost as possible. Three main challenges are: the need for disassembling the system during troubleshooting, the difficulty to verify that the system is fault free, and the dependencies in between components and observations. We prese...
متن کاملRail System Noise and Vibration Control
Control of noise and vibration emitted by steel wheel and rail transportation systems has a long history of designs and techniques, some of which were dismal failures and some which worked very well. Many of the early efforts had a valid technical base for the design, however, there were also many based on intuition or ideas with great expectations, but which had no real technical basis. In the...
متن کاملAnytime Near-Optimal Troubleshooting Applied to an Auxiliary Truck Braking System
We consider computer assisted troubleshooting of complex systems, for example of a vehicle at a workshop. The objective is to identify the cause of a failure and repair a system at as low expected cost as possible. Three main challenges are: the need for disassembling the system during troubleshooting, the difficulty to verify that the system is fault free, and the dependencies in between compo...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of vibration engineering & technologies
سال: 2023
ISSN: ['2523-3920', '2523-3939']
DOI: https://doi.org/10.1007/s42417-023-00951-3