Automobile crash test time-series data processing and classification method based on SSI-PSO algorithm

doi:10.3969/j.issn.1674-8484.2022.02.005

Abstract

Abstract:

This paper investigated an optimization problem transformation and construction method for heuristic optimization algorithm to realize the category identification of dummy curve dataset from automobile crash test. A method of feature selection and classification was proposed for multi-variable time-series data in crash test based on a social spider inspired particle swarm optimization (SSI-PSO) for the feature processing and for the classification process of dummy curve data. The proposed method was tested and validated by using the dummy curve data collected from automobile crash test. The result shows that the optimal feature combination and the small-scale neural network for dummy curve classification are obtained by the proposed method. The performance of dummy curve classification model improves by 17.5% and classification accuracy reaches 96.5% based on the proposed method. Therefore, the labeling information of dummy response curve from crash test is classified effectively.

Key words: automobile crash, safety data, multi-variable time series data, social spider inspired particle swarm optimization (SSI-PSO) algorithm, feature engineering, supervised learning, heuristic optimization algorithm

CLC Number:

LI Han, LIU Zhao, ZHU Ping. Automobile crash test time-series data processing and classification method based on SSI-PSO algorithm[J]. Journal of Automotive Safety and Energy, 2022, 13(2): 259-268.

Figures/Tables 11

References 24

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曲线名称	曲线编号	计数
Driver Head Acceleration X	11HEAD0000H3ACXP	236
Driver Head Acceleration X	13HEAD0000H3ACXP	20
Driver Head Acceleration Y	11HEAD0000H3ACYP	235
Driver Head Acceleration Y	11HEAD0000H3ACZP	29
Driver Chest Displacement X	11CHST0000H3DSXP	235
Driver Chest Displacement X	13CHST0000H3DSXP	20

曲线名称	曲线编号	计数
Driver Head Acceleration X	11HEAD0000H3ACXP	236
Driver Head Acceleration X	13HEAD0000H3ACXP	20
Driver Head Acceleration Y	11HEAD0000H3ACYP	235
Driver Head Acceleration Y	11HEAD0000H3ACZP	29
Driver Chest Displacement X	11CHST0000H3DSXP	235
Driver Chest Displacement X	13CHST0000H3DSXP	20

测试序号	P_acc	R_sam / %
1	0.914 ± 0.007	10.0 ± 0.0
2	0.913 ± 0.005	10.1 ± 1.2
3	0.928 ± 0.007	10.9 ± 1.1

测试序号	P_acc	R_sam / %
1	0.914 ± 0.007	10.0 ± 0.0
2	0.913 ± 0.005	10.1 ± 1.2
3	0.928 ± 0.007	10.9 ± 1.1