Analysis of WBV on standing and seated passengers during off-peak operation in KL monorail

2017 5th International Conference on Mechanical Engineering, Materials Science and Civil Engineering

机械制造;材料科学;土木建筑工程

Hasnan, K.^1 ; Bakhsh, Q.^1 ; Ahmed, A.^1 ; Ali, D.^1 ; Jamali, A.R.^1

Universiti Tun Hussein Onn Malaysia, Batu Pahat, Johor

86400, Malaysia^1

关键词: Crest factors;    Maximum acceleration;    Operating hours;    RMS accelerations;    Standing posture;    Vibration;    Vibration exposure;    Whole body vibration;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/324/1/012003/pdf
DOI  :  10.1088/1757-899X/324/1/012003

来源: IOP

【 摘 要 】

In this study, the Whole-Body Vibration (WBV) was analyzed on the standing and seated passenger during off-peak operating hours when train was on the track. The experiments were conducted on two car train at one constant location (bogie-1, which is near to driver's cabin) during downward direction from KL sentral station towards Titiwangsa station. The aim of this study was to analyze that, in which posture of passenger's exposures the maximum level of WBV. Since, one passenger was performed the whole journey in standing posture whereas, the other passenger was in seated posture. The result obtained from experiments for the RMS accelerations (Arms), maximum acceleration (Amax) and minimum acceleration (Amin) during the trip. As per standard ISO 2631-1, the daily vibration exposure (A8), Vibration Dose value (VDV) and Crest Factor (CF) of this trip for both standing and sitting orientations were calculated. Results shows that the seated passenger was exposed to longer periods of continuous vibration as compared to the standing passenger. Whereas, the Vibration Dose value (VDV) value was greater than the action value as per ISO 2631-1 and within the limit values. The study concluded that whole body vibration transmitted towards both passengers either standing or seated during their journey. But in overall results comparison of both orientations, the seated passengers gained higher vibration than the standing one.