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PTW Passive Safety: Numerical Study of Standard Impact Scenarios with Rider Injury Risk Assessment

Tianjin University of Science and Technology-Wenle Lv
University of West Bohemia-Tomasz Bonkowski, Ludek Hyncik
  • Technical Paper
  • 2020-01-0930
To be published on 2020-04-14 by SAE International in United States
Powered two-wheeler (PTW) drivers and passengers are among the group of vulnerable road users (VRU). This group uses the road transportation system together with other better-protected users such as passenger cars and truck drivers. The main vulnerability of PTW driver lies in their unequal position during the crash, due to the inability of application of the crashworthiness concept during the PTW vehicle design. This inequality could be somehow mitigated by the design of personal protective equipment (PPE). Mostly the design of the PPE's is led by the standards which often are obsolete and takes into account only simple drop-tests (ECE 22.05). Those test did not take into account complicated kinematics of the motorcycle accidents and biomechanics of the human body. The authors propose a virtual approach for the PTW rider injury risk assessment, which coupled with the pre-impact conditions, could be used for the new PPE protection standards preparation. In this paper, authors want to present a numerical study on most common PTW Impact Scenarios, which are described in ISO 13232. The simulations of the…
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Rider Stature Influence to Injury Risk in Motorcycle Rear Impact to Car

Tianjin University of Science and Technology-Wenle Lv
University of West Bohemia-Ludek Hyncik, Tomasz Bonkowski
Published 2019-03-25 by SAE International in United States
Road traffic accidents cause one of the highest numbers of severe injuries. Approximately 1.25 million people die each year as a result of road traffic crashes and between 20 and 50 million more people suffer non-fatal injuries, with many incurring a disability. Nearly half of those dying on the roads are so-called vulnerable road users, namely pedestrians, cyclists and two-wheeler riders including motorcyclists. Those vulnerable road users usually undergo complex kinematics and complex loading caused by the other vehicle impact.Virtual human body biomechanical models play an important role to assess the injuries during the impact loading especially for scenarios, where complex dynamical loading is taken into account. An additional benefit of some virtual human models is their scalability, so that they can assess the injury risk for the particular subject taking into account a wide spectrum of the whole population.The presented work shows the motorcycle rider injury risk analysis during the rear motorcycle accident to the car using the virtual approach by the numerical simulation taking into account the variability of the human body. The…
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