A study on dynamic quantitative evaluation of train driver's fatigue risk

doi:10.16265/j.cnki.issn1003-3033.2017.02.004

Abstract

Abstract: In view of the diversity and variabilityof driver fatigue causes, a multi index dynamic evaluation method of train driver's fatigue risk was developed. With fully considering the dynamic effects of various time-varying factors on the train driver's fatigue, a more reasonable evaluation indexes system was established. And the objective quantification methods of correlative time-varying factors were studied to improve assigning values to the indexes. In order to reduce the influences of subjective factors on multi index weighting, the indexses were weighted and a comprehensive evaluation model was built based on IAHP for dynamic quantitative evaluation of the train driver's fatigue risk in different working periods.Example analysis results show that the the fatigue risk dynamic curve obtained by this method is consistent with the actual working condition and the fatigue self assessment scale score of the train driver.

Key words: train driver, driving fatigue, dynamic quantization, risk evaluation, improved analytic hierarchy process(IAHP)

CLC Number:

X910

LI Xiang , XU Yuping , ZHANG Hailiang. A study on dynamic quantitative evaluation of train driver's fatigue risk[J]. China Safety Science Journal, 2017, 27(2): 18-23.

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