双车道公路弯道驾驶人模糊优选决策模型与实验验证

来源期刊:中南大学学报(自然科学版)2015年第1期

论文作者:王婉秋 陈雨人 钱宇彬

文章页码:332 - 342

关键词:双车道公路弯道; 速度控制模型; 轨迹跟踪模型; 多目标模糊优选决策; 权重

Key words:curves of two-lane highway; speed decision-making model; trajectory tracking model; multi-objective fuzzy optimal decision-making behavior; weight

摘    要:研究驾驶人在前方弯道线形影响下的驾驶特性、视觉特性,引入驾驶行为的控制因素。针对驾驶行为中客观存在的模糊性和主观性问题,利用多目标模糊优选决策理论研究模糊性和主观性对驾驶行为的影响规律,提出一种将驾驶人的模糊感知决策能力引入到速度控制和轨迹跟踪的数学建模方法,给出一种基于灰色理论的主观和客观相结合的权重确定方法。研究结果表明:驾驶行为是一种相对意义上的模糊优选决策行为。最后,通过现场实验验证该建模方法的合理性和可行性。

Abstract: Driver’ s driving characteristics and visual features influenced by curves alignments ahead were studied and the control factors of steering behavior and speed decision-making behavior were presented. The objective existence of fuzziness and subjectivity was given in driving behavior, the influence rules of fuzziness and subjectivity on driving behavior were studied by adopting the multi-target fuzzy optimization decision theory, a mathematical modeling method involving driver’s capacity of fuzzy perception and decision-making in the models of speed controlling and trajectory tracking was established, and based on gray theory, a solution combined subjectivity and objectivity to determinate weight was presented. The results show that the driving behavior in curves can be described as relative optimal fuzzy decision-making behavior. Finally, through field experiments, the modeling methods were verified to be reasonable and feasible.

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