Simulation based discomfort assessment of two-wheeler riders
by Mohd Parvez; Abid Ali Khan
International Journal of Human Factors Modelling and Simulation (IJHFMS), Vol. 6, No. 4, 2018

Abstract: Ride discomfort apart from various other factors is caused due to whole body vibration (WBV) while driving, where road profiles act as a major source of WBV exposure to a vehicle rider. The present study develops a 6DOF lumped mass parameter model of two-wheeler coupled with rider in state space form. The model is simulated in LabVIEW12.0 under the excitation of generated random road profiles, classified as per ISO 8608:2016. The model was validated for a two-wheeler named 'HERO SPLENDOR PRO' on three types of road profiles i.e. good, average and poor at a vehicle speed of 20 km/h. Assessment of discomfort in simulation model, according to ISO 2631-1:1997, was done for 85 kg rider on good road profile at 40 km/h vehicle speed and the ride was found uncomfortable. ANOVA test showed that there were significant effects of road profile, vehicle speed, seat stiffness and seat damping on ride discomfort.

Online publication date: Tue, 13-Nov-2018

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