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工程设计学报
工程设计学报  2017, Vol. 24 Issue (6): 638-647    DOI: 10.3785/j.issn.1006-754X.2017.06.005
建模、分析、优化和决策     
坐姿人体四自由度动力学模型研究——集中参数模型及其在汽车乘坐舒适性研究中的应用
白先旭1,2, 程伟1, 徐时旭1, 钱立军1
1. 合肥工业大学 车辆工程系 自适应结构与智能系统实验室, 安徽 合肥 230009;
2. 奇瑞新能源汽车技术有限公司, 安徽 芜湖 241000
Research on 4-degree-of-freedom dynamics model of seated human: lumped-parameter model and its application to ride comfort research for automobiles
BAI Xian-xu1,2, CHENG Wei1, XU Shi-xu1, QIAN Li-jun1
1. Laboratory for Adaptive Structures and Intelligent Systems(LASIS), Department of Vehicle Engineering, Hefei University of Technology, Hefei 230009, China;
2. Chery New Energy Automotive Technology Co., Ltd., Wuhu 241000, China
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摘要：

进行坐姿人体动力学研究对提高应用系统的研发效率具有重要意义。为进一步提升坐姿人体四自由度集中参数模型动力学响应性能，提出了一种坐姿人体四自由度集中参数模型。基于多目标函数协调优化原理，进行了模型参数辨识，并与经典的四自由度集中参数模型进行了对比和分析。基于提出的模型，建立一种"人-椅-车"七自由度模型。完成了汽车在不同行驶路面情况下坐姿人体的动力学响应的仿真实验，利用均方根加速度对坐姿人体的动力学响应进行了量化分析和评价。研究结果表明，进行基于非支配排序的带有精英策略的多目标优化算法（NSGA-Ⅱ）的坐姿人体四自由度集中参数模型多函数协调优化方法切实可行。提出的模型能够更加有效地描述坐姿人体动力学响应，可以有效用于载运工具乘坐舒适性（行驶平顺性）研究工作。
关键词： 坐姿人体;  生物动力学;  集中参数模型;  参数辨识    
Abstract:

It is of significance to study the dynamic model of the seated human body, for possibly improving the research and development of dynamics response efficiency of the applications systems of the seated human body. A 4-degree-of-freedom (4DOF) lumped-parameter model was proposed, and the model parameters were identified by utilizing a multi-object function coordinated optimization-based principle. The proposed model was also compared and analyzed with other classical 4DOF lumped-parameter models. A "human-seat-automobile" 7DOF model was further established based on the proposed model. The simulation experiment of the dynamics responses of the seated human body, when the automobile on different road conditions, was conducted, and the root mean square acceleration was used to quantitatively analyze and evaluate the dynamics responses of the seated human. The research results showed that, the non-dominated sorting genetic algorithm-Ⅱ (NSGA-Ⅱ) worked effectively for coordinately optimizing the multi objectives of the 4DOF lumped-parameter models. Further, the proposed model can describe the dynamic responses for seated human body more effectively, also can be applied to the research work on riding comfort (driving comfort) of vehicles.
Key words: seated human    biodynamics    lumped-parameter model    parameter identification
收稿日期: 2017-07-13 出版日期: 2017-12-28
CLC:  U461  
基金资助:

国家自然科学基金资助项目（51305114）；军委装备发展部“十三五”装备预研领域基金资助项目（6140240040101）
作者简介: 白先旭(1984-),男,安徽六安人,副教授,博士,从事智能结构系统、系统动力学与控制等研究,E-mail:bai@hfut.edu.cn,http://orcid.org/0000-0003-4477-8335
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引用本文:

白先旭, 程伟, 徐时旭, 钱立军. 坐姿人体四自由度动力学模型研究——集中参数模型及其在汽车乘坐舒适性研究中的应用[J]. 工程设计学报, 2017, 24(6): 638-647.

BAI Xian-xu, CHENG Wei, XU Shi-xu, QIAN Li-jun. Research on 4-degree-of-freedom dynamics model of seated human: lumped-parameter model and its application to ride comfort research for automobiles[J]. Chinese Journal of Engineering Design, 2017, 24(6): 638-647.

链接本文:

https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn.1006-754X.2017.06.005    或    https://www.zjujournals.com/gcsjxb/CN/Y2017/V24/I6/638

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