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飞行员疲劳会降低对情境意识的觉知,导致判断能力和操作能力下降,威胁飞行安全。对飞行员的疲劳状况进行综合量化评价可以为控制和缓解飞行疲劳风险提供有效依据。通过综合分析飞行疲劳影响因素,在确立飞行疲劳风险综合评价指标体系的基础上,采用证据理论解决评价过程中遇到的不确定性问题,结合MATLAB软件进行算例仿真验证,实现对飞行疲劳风险的量化。结果表明:证据理论方法可以有效利用影响疲劳的各种评价指标综合判断飞行员的疲劳状况,实现评价结果量化。结合MATLAB软件计算可以作为飞行员自我评价的有效工具,也可以作为管理人员进行疲劳风险管理的工具。
Pilots’ fatigue can reduce awareness of situational awareness, resulting in decreased ability to judge and operate, threatening flight safety. The comprehensive quantitative evaluation of the pilot’s fatigue status can provide an effective basis for controlling and mitigating the risk of flying fatigue. Based on the comprehensive analysis of the factors that affect the flight fatigue, based on the establishment of a comprehensive evaluation index system of flight fatigue risk, the evidence theory is used to solve the uncertainty problems encountered in the evaluation process. The simulation software is used to simulate the case to verify the flight fatigue risk Quantification. The results show that the evidence theory method can effectively use the various evaluation indexes that affect fatigue to synthetically judge the pilot’s fatigue status and quantify the evaluation results. Combined with MATLAB software calculation can be used as an effective tool for pilots self-evaluation, but also can be used as a management tool for fatigue risk management.