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为了准确描述公交车辆运行可靠性、合理评价公共交通系统运营状况,提出了一种针对站点、线路、路网不同层面的公交可靠性改进计算方法.结合合肥市的公交实际运营数据,验证了所提出的可靠性定义对于传统方法的改进效果,并应用该方法分析了设置公交专用道后公交车辆运营可靠性的提升效果.研究表明,所提出的改进方法,可以克服传统可靠性评价方法的不足之处,例如间隔可靠性评价值会出现小于0和大于1的情况,且随着发车间隔的增大,计算的可靠性指标值呈现减小的趋势等.该方法可以更真实地反映公交系统运营状态,提高了公交车辆运行可靠性评价的合理性.
In order to accurately describe the operation reliability of public transport vehicles and reasonably evaluate the operation status of public transportation system, a new method to improve the reliability of public transportation system is put forward based on the actual operation data of bus in Hefei, The reliability of the proposed method is improved for the traditional method and the method is used to analyze the effect of improving the operational reliability of the bus after the bus lanes are set up.Research shows that the proposed method can overcome the shortcomings of traditional reliability evaluation methods For example, the interval reliability evaluation value may be less than 0 and greater than 1. With the increase of the departure interval, the calculated reliability index value shows a decreasing trend, etc. This method can more truly reflect the public transportation system Operational status, improve the reliability of bus operation evaluation of the rationality.