汽车乘驾体位生物力学实验台的设计分析

基于汽车乘驾体位生物力学特性的分析，提出了表征人一座椅界面体压分布的特性指标和模拟驾驶疲劳时人体表面肌电信号的分析参量．研制的汽车乘驾体位生物力学特性实验台主要由可调模拟乘驾环境和生物力学测试系统组成，能够模拟各种人一车乘驾环境和进行人机界面匹配试验，可以测试和分析不同乘驾环境下驾驶员的各项体压分布指标和驾驶员腰部肌肉疲劳过程中的表面肌电信号，评价人机界面匹配优度，进而为汽车的人机界面优化设计和提高汽车人机界面的舒适性、方便性、安全性及人机工效学研究提供了实验基础．实验台在可调模拟乘驾环境设计和生物力学测试系统设计方面具有独创性．

Design and Analysis of a Test Stand for Biomechanics of Man-Machine Interface in Automobile Driving

Based on the analysis of biomechanics behaviour of man-machine interface in automobile driving,the characteristic parameters of body pressure distribution on automobile seat and the surface electromyography(sEMG) parameters of simulated driver's back muscle fatigue are presented.A test stand for biomechanics of man-machine interface in automobile driving composed of the simulated driving environments and biomechanics measuring system,enables to simulate different automobile driving environments and man-machine matching and analyze the parameters of body pressure distribution and sEMG due to driving tiredness to evaluate the optimal matching of man-machine interface in automobile driving system.The investigation provides an experimental foundation for optimal design of man-machine interface and ergonomics of automobile,and the test stand shows the innovation in design of simulated driving environments and biomechanics measurement.