现代制造工程 ›› 2018, Vol. 450 ›› Issue (3): 79-85.doi: 10.16731/j.cnki.1671-3133.2018.03.015

• 数控加工技术 • 上一篇    下一篇

基于体压分布的座椅舒适性建模及仿真

李金柱1,郭鹏程1,陈冀华2,王震虎1,张鹏2,李落星1   

  1. 1 湖南大学汽车车身先进设计制造国家重点实验室,长沙 410082;
    2 重庆长安汽车股份有限公司商用车研究院,重庆 400020
  • 收稿日期:2017-01-02 出版日期:2018-03-20 发布日期:2018-07-19
  • 作者简介:李金柱,硕士研究生,主要研究方向为座椅性能仿真分析及结构优化。 李落星,通信作者,教授,博士研究生导师,主要研究方向为整车碰撞安全、座椅设计及人机工程学。 E-mail:lijinzhu123@126.com;llxly2000@163.com
  • 基金资助:
    国家科技重大专项项目(2014ZX0400207);国家自然科学基金面上资助项目(51475156)

Modeling and simulation of seat comfort based on body pressure distribution

Li Jinzhu1,Guo Pengcheng1,Chen Jihua2,Wang Zhenhu1,Zhang Peng2,Li Luoxing1   

  1. 1 State Key Laboratory Design and Manufacture for Vehicle Body,Hunan University,Changsha 410082,China;
    2 Commercial Vehicle Institute of Changan Automobile Co.Ltd.,Chongqing 400020,China
  • Received:2017-01-02 Online:2018-03-20 Published:2018-07-19

摘要: 针对目前座椅舒适性客观评价方法的不足,选择某款商用车座椅,利用H点测量装置作为假人,以座椅设计角度为参考,建立体压仿真模型。参考理想体压分布规律,通过仿真结果对座椅舒适性进行初步评价,并从压力最大值、压力平均值、接触面积以及不同区域占重比4个客观评价指标进行实验验证。对于该座椅的主要接触区域,实验、仿真体压分布与理想体压分布规律接近,另外对于肩部、腰部及大腿区域的体压分布评价指标,实验数值与仿真结果接近,表明所建立的模型可准确反映HPM-座椅界面关键部位的体压分布特性。该建模方法可以为企业确定座椅舒适性客观评价指标的范围,对座椅的设计开发提供指导。

关键词: 座椅舒适性, 体压分布, 仿真分析, 评价指标

Abstract: Aiming at the shortcomings of objective evaluation method of seat comfort,chooses a commercial vehicle seat,in order to build the simulation model,the H-point measuring device is used as the dummy,and the seat design angle is acted as the reference.Based on the ideal distribution of body pressure,the seat comfort is evaluated by the simulation results,and the experimental results are validated by four objective evaluation indexes:maximum pressure,average pressure,contact area and weight ratio.The results show that the body pressure distribution is close to the ideal body pressure distribution for the main contact area of the seat,and the value of the body pressure distribution of shoulder,waist and thigh is close to the experiment and simulation.The simulation model can accurately reflect the HPM-seat interface key parts of the distribution characteristics of body pressure.The modeling method can establish a standard range of objective evaluation indexes for seat comfort,and provide guidance for the design and development of seat.

Key words: seat comfort, body pressure distribution, simulation, evaluation index

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