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Devising a Method to Calculate the Trajectory of a Dummy’s Head Using Linear Acceleration and Angular Velocity

Yuichi UCHIDA1Koji MIZUNO1Daisuke ITO1Ryoichi YOSHIDA2

1. Graduate School of Engineering,Nagoya University2. Takata corporation

摘要:The method of calculating the head trajectory in three dimensions within the passenger compartment using the head and vehicle’s acceleration and angular velocity in their respective local coordinate systems was constructed. To verify this calculation method, a crash simulation in LS-DYNA was conducted to compare the calculated and simulated result. Next, in order to demonstrate real-world usability of this method, the dummy’s head trajectory was calculated using the linear acceleration and angular velocity of the dummy’s head obtained from a sled test. The calculated result was then compared to the trajectory obtained from video analysis of the crash test. The possibility of obtaining the head trajectory in the global coordinate system from the local head’s acceleration and angular velocity using LS-DYNA and MADYMO was also investigated. The head trajectory of a vehicle occupant with respect to the vehicle coordinate system and global coordinate system can be obtained using these methods.
会议名称:

The 13th International Forum of Automotive Traffic Safety(INFATS)

会议时间:

2016-11-24

会议地点:

中国浙江杭州

  • 专辑:

    理工C(机电航空交通水利建筑能源); 医药卫生

  • 专题:

    汽车工业; 生物医学工程

  • 分类号:

    R318.01;U467.14

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