Research of driving safety based on human body biological response
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Abstract
Driving safety has always been an emphasis and difficulty in ergonomics interface design. In order to improve driving safety, this paper, which starts from the unsafe elements that human body may cause biologically, analyses perception fatigue and operation fatigue of human body from the perspectives of man-machine-environment, posture analysis, human body characteristics, then constructed the biomechanical human models which makes it possible to calculate human body parts by finite element method but realize human dynamic simulate. According to the biomechanical models, the ergonomic engine then computes the body stress distribution and physical loads of body parts such as upper extremity, hip, lumbar information during prolonged driving, then study intensively the change of biological characteristics parameters such as muscle fatigue and the effect on driver performance. In this manner, the biological response factor issues of human being can be effectively taken into account at the early stage of vehicle interiors layout design and can be used for passive preventive method. The half-rigid human models can also provide evidence for a designer at the early stage to improve the concept design of vehicle interiors
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