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Optimal design of mountain bicycle based on biomechanics

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Abstract

To achieve better cycling performance and vibration comfort of mountain bicycle, the optimization of frame structural parameters and rear suspension scale parameters is investigated based on biomechanics. Firstly, the quadratic sum of rider lower limb muscles stresses is presented as the evaluation criterion of muscle fatigue. By taking the criterion as the objective function, the relative positions of three pivot points of frame are optimized to ensure that the frame structural parameters match the stature of riders. Secondly, the vibration performance is evaluated referring to the ISO 2631-1 Mechanical Vibration and Shock Evaluation of Human Exposure to Whole-Body Vibration. According to this evaluation, the mapping relationship between the vibration performance and rider’s weight as well as structural parameters of rear suspension is revealed. Results show that the length of side link has no significant effect on vibration comfort, while rider’s weight is important in the design of mountain bicycle.

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Authors and Affiliations

  1. School of Mechanical Engineering, Tianjin University, Tianjin, 300072, China

    Yan Bu  (卜 研), Tian Huang  (黄 田), Zhongxia Xiang  (项忠霞) & Xiaofan Wu  (吴小凡)

  2. Tianjin Entry-Exit Inspection and Quarantine Bureau, Tianjin, 300211, China

    Chun Chen  (陈 春)

Authors
  1. Yan Bu  (卜 研)
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  2. Tian Huang  (黄 田)
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  3. Zhongxia Xiang  (项忠霞)
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  4. Xiaofan Wu  (吴小凡)
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  5. Chun Chen  (陈 春)
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Corresponding author

Correspondence to Zhongxia Xiang  (项忠霞).

Additional information

Supported by Tianjin Science and Technology Development Project (No.043186211) and Tianjin Key Laboratory of Advanced Manufacturing Technology and Equipment.

BU Yan, born in 1979, female, Dr.

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Bu, Y., Huang, T., Xiang, Z. et al. Optimal design of mountain bicycle based on biomechanics. Trans. Tianjin Univ. 16, 45–49 (2010). https://doi.org/10.1007/s12209-010-0009-2

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  • DOI: https://doi.org/10.1007/s12209-010-0009-2

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