What is it about?
The specifications of primary and secondary suspension components were discussed in detail.
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Why is it important?
For car body vibration measurements and suspension defect diagnoses, it is suggested that the cutoff frequency of the LPF had to be increased to 9 Hz at least. Furthermore, using a smartphone with a sampling rate of 100 Hz could obtain the desired results for vibration analyses.
Perspectives
I hope that smartphone with a gravity sensor for railway vehicle vibration measurements could be widely applied in the future.
Ship-Bin Chiou
Taipei Rapid Transit Corporation
Read the Original
This page is a summary of: A Survey of Suspension Component Specifications and Vehicle Vibration Measurements in an Operational Railway System, Journal of Vibration Engineering & Technologies, May 2019, Springer Science + Business Media,
DOI: 10.1007/s42417-019-00125-0.
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