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Analysis and comparison of safety and fatigue comfort of postal bicycles based on finite element method and sEMG

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Abstract

The safety and the fatigue comfort were compared between a domestic and a Japanese postal bicycle. Firstly, the fatigue comfort of these two kinds of bicycles was evaluated by surface electromyographic signal (sEMG) experiment, in which human lower limb muscle groups were research objects, and the average EMG (AEMG) index and median frequency (MF) were chosen as the evaluation indexes. Secondly, the safety of these two kinds of bicycle frames was analyzed and compared by using the finite element analysis. The results show that the riding fatigue comfort of the Japanese postal bicycle is better, and the Japanese postal bicycle frame is more safe and reasonable although both the postal bicycles meet the requirement for strength. Finally, based on the above analysis, the frame structure and related parameters of the domestic postal bicycle were improved with reference to the Japanese postal bicycle and biomechanics theory.

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Authors and Affiliations

  1. Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education, Tianjin University, Tianjin, 300072, China

    Zhongxia Xiang  (项忠霞), Yanan Li  (李亚南) & Guan Tian  (田 冠)

  2. Tianjin Golden Wheel Bicycle Group Co., Ltd., Tianjin, 301709, China

    Zhenyuan Chang  (常振元)

Authors
  1. Zhongxia Xiang  (项忠霞)
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  2. Yanan Li  (李亚南)
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  3. Guan Tian  (田 冠)
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  4. Zhenyuan Chang  (常振元)
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Corresponding author

Correspondence to Zhongxia Xiang  (项忠霞).

Additional information

Supported by Special Fund Project for Technology Innovation of Tianjin (No.10FDZDGX00500) and Tianjin Product Quality Inspection Technology Research Institute.

Xiang Zhongxia, born in 1964, female, Dr, Prof.

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Xiang, Z., Li, Y., Tian, G. et al. Analysis and comparison of safety and fatigue comfort of postal bicycles based on finite element method and sEMG. Trans. Tianjin Univ. 19, 272–278 (2013). https://doi.org/10.1007/s12209-013-1975-y

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  • DOI: https://doi.org/10.1007/s12209-013-1975-y

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