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Design of pedestrian friendly vehicle bumper

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Abstract

Car-pedestrian accidents take thousands of lives worldwide annually. Therefore, pedestrian protection is an important issue in traffic safety. How to consider a pedestrian friendliness vehicle and then propose pedestrian protection methods are urgent works for minimizing pedestrian injury. For designing a pedestrian friendly vehicle bumper, this study adopts the European Enhanced Vehicle-safety Committee/ Working Group 17 (EEVC/WG17) regulations of legform impactor to bumper tests. Analyzing the pedestrian friendliness of a vehicle bumper by using LS-DYNA is described in detail. Simulation results were analyzed to identify the reasons for the unfriendliness. Furthermore, the analysis of the influence of bumper structure on pedestrian leg was performed and then some guideline was suggested. The analyzed models and results obtained could help evaluate pedestrian friendliness of a vehicle and guide the future development of pedestrian friendly vehicle technologies.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Hsiuping Institute of Technology No.11, Gongye Rd., Dali City, Taichung County, 412-80, Taiwan, R.O.C

    Tso-Liang Teng

  2. Department of Mechanical and Automation Engineering, Da-Yeh University No.168, University Rd., ??Da-Tsuen, Changhua, 515, Taiwan, R.O.C

    Van-Luc Ngo & Trong-Hai Nguyen

Authors
  1. Tso-Liang Teng
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  2. Van-Luc Ngo
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  3. Trong-Hai Nguyen
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Corresponding author

Correspondence to Tso-Liang Teng.

Additional information

This paper was recommended for publication in revised form by Associate Editor Young Eun Kim

Tso-Liang Teng is a Professor in the Department of Mechanical Engineering and the Dean of Engineering College at the Hsiuping Institute of Technology, Taiwan. He received a BS (1981), MS (1986) and PhD (1994) from the Chung Cheng Institute of Technology. His research interests include design of passive safety systems in vehicles, crash tests simulation, passenger and pedestrian injuries analysis, design of pedestrian protection systems.

Van-Luc Ngo is a Lecturer in Department of Mechanical Technology at Hung Yen University of Technology and Education, Vietnam. He received a BS (2002) and MS (2007) from Ha Noi University of Technology, Vietnam. Now, he is studying PhD program at Da-Yeh University, Taiwan. His research interests include structural analysis, design of passive safety systems in vehicles, crash tests simulation, passenger and pedestrian injuries analysis, design of pedestrian protection systems.

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Teng, TL., Ngo, VL. & Nguyen, TH. Design of pedestrian friendly vehicle bumper. J Mech Sci Technol 24, 2067–2073 (2010). https://doi.org/10.1007/s12206-010-0612-0

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  • DOI: https://doi.org/10.1007/s12206-010-0612-0

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