目的 优化电动自行车人机尺寸,改善电动自行车的骑行舒适性。方法 采用Jack仿真实验与骑行模拟实验结合的方法获取最佳人机尺寸。首先,运用层级分析法对Jack的原有关节角度舒适性评估数据进行调整,通过Jack仿真实验获取各人体百分位的人机尺寸推荐范围;其次,依据电动自行车安全技术规范《GB 17761—2018》建立静态骑行模拟实验台,通过对37名受试者进行多次短时间的模拟骑行实验获取各人体百分位的最佳人机尺寸及主观舒适度信息;最后,将骑行模拟实验所得结果与Jack仿真实验所得结果进行对比分析,并以分析结果对电动自行车产品进行优化升级,路试结果表明新款产品舒适性反馈优于老款。结论 证明Jack仿真与静态骑行模拟实验结合的人机尺寸研究方法,有助于提高电动自行车骑行舒适性,为今后电动自行车人机尺寸设计提供参考。
Abstract
The work aims to optimize the ergonomics of electric bicycles and improve the riding comfort of electric bicycles. The optimal ergonomics was obtained by combining the Jack simulation experiment with the riding simulation experiment. Firstly, the hierarchical analysis method was used to adjust the original joint angle comfort evaluation data of Jack, and the recommended range of ergonomics for each percentile of the human body was obtained through the Jack simulation experiment. Secondly, a static cycling simulation experimental platform was established in accordance with the Safety Technical Specification for Electric Bicycles "GB 17761-2018". The optimal ergonomics and subjective comfort information of each human percentile were obtained by conducting multiple short-term cycling simulation experiments on 37 subjects. Finally, the results obtained from the cycling simulation experiment were compared and analyzed with those from the Jack simulation experiment. Based on the analysis results, the electric bicycle products were optimized and upgraded. The road test results indicated that the comfort feedback of the new product was better than that of the old one. It is proved that the research method of ergonomics combining Jack simulation and static riding simulation experiments is helpful to improve the riding comfort of electric bicycles and provides a reference for the design of ergonomics of electric bicycles in the future
关键词
电动自行车 /
骑行舒适性 /
人机工程 /
Jack
Key words
electric bicycles /
cycling comfort /
ergonomics /
Jack
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