Optimal design of safety belt restraint system based on the approximate model management

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Journal of Vibration and Shock ›› 2016, Vol. 35 ›› Issue (6) : 132-136.

LIU Xin1,2，WU Gang1，YIN Lai-rong1

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Abstract

In order to improve ability of safety belt restraint system protection, the numerical model of safety belt restraint system is validated by the vehicle crash experiments and the approximation model is constructed by the radial basis function with the samples which are obtained from the design of experiments. The IP-GA genetic algorithm with high efficiency is employed to searching the key parameters of the safety belt restraint system dynamic characteristic. In the optimization process, the management framework updates the approximate model and controls the error resulting from the approximate model. The optimal solutions whose errors are controlled appropriately can be regarded as solutions to the problem. The optimization results demonstrate that the proposed method could effectively obtain the optimal parameters of safety belt restraint system and ensure the occupants safety.

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safety belt restraint system / approximate model management / optimal design

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LIU Xin1,2，WU Gang1，YIN Lai-rong1 . Optimal design of safety belt restraint system based on the approximate model management[J]. Journal of Vibration and Shock, 2016, 35(6): 132-136

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