Vibration comfort assessment of tractor drivers based on sEMG and vibration signals

Qingyang Huang, Mengyu Gao, Mingyang Guo, Yuning Wei, Jingyuan Zhang and Xiaoping Jin

Computer Methods in Biomechanics and Biomedical Engineering, 2024, vol. 27, issue 13, 1875-1892

Abstract: In order to comprehensively evaluate the driver’s vibration comfort under different vibration conditions, eighteen subjects were required to drive a tractor at different speeds on field and asphalt roads respectively in the real vehicle experiment. The sEMG signals and vibration acceleration signals of the subjects were recorded. And the time-frequency domain analysis of sEMG signals and acceleration signals were used to determine the relationship among the characteristic indexes, tractor speed and road surfaces. The relevance analysis showed that there was a significant correlation between the integral electromyography (iEMG) and median frequency (MF) of the middle scalene muscle, erector spinae muscle and gastrocnemius muscle, the RMS of weighted acceleration (aw) of the neck, waist and legs, and the subjective comfort feelings. It was proven that the tractor speed had a significant impact on human body vibration based on the ANOVA result (p

Date: 2024
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DOI: 10.1080/10255842.2023.2263126

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