Spectral Induction Method of Vibration in Rail Vehicles’ Measurement Environment

doi:10.11908/j.issn.0253-374x.2019.10.018

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Spectral Induction Method of Vibration in Rail Vehicles’ Measurement Environment
DOI:
                        10.11908/j.issn.0253-374x.2019.10.018
                    
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                        DENG ChenxinDENG Chenxin
Institute of Railway Transit, Tongji University, Shanghai 201804, China
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ZHOU JinsongZHOU Jinsong
Institute of Railway Transit, Tongji University, Shanghai 201804, China
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GONG DaoGONG Dao
Institute of Railway Transit, Tongji University, Shanghai 201804, China
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LUO MinLUO Min
Institute of Railway Transit, Tongji University, Shanghai 201804, China
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Clc Number:TG156
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Abstract:

The measured acceleration data of vibration in rail vehicles show strong non-normality, and Johnson’s law is used to improve the criterion of inducing vibration data. A universal induction method of vibration spectrum is proposed in this paper. By using the measured data, the difference between the ordinary method and the modified method is compared, and the universality of the method is tested. The results show that the modified method can adapt to the non-normal environment and the induced spectrum can reflect the actual vibration.

Key words:rail vehicle; random vibration; power spectrum; process of abnormal data

Reference

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DENG Chenxin, ZHOU Jinsong, GONG Dao, LUO Min. Spectral Induction Method of Vibration in Rail Vehicles’ Measurement Environment[J].同济大学学报(自然科学版),2019,47(10):1514~1519

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Received:January 03,2019
Revised:July 23,2019
Adopted:June 26,2019
Online: October 17,2019
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