为进一步提高道路交叉口综合性能,选取青岛市典型的南京路与江西路交叉口,建立设有左转待行区域的优化模型,利用改进的快速非支配遗传算法对交叉口车辆延误及机动车CO排放两方面进行优化。通过VISSIM软件搭建模型,验证算法有效性。结果表明,改进后算法搜索效率提高了57.4%,多目标优化配时后,车均延误下降了11.7%,CO排放减少了13.5%,平均排队长度降低了11.3%,HC和NOx排放均下降了2.7%。该算法有效地提高了交叉口通行能力和环境效益。
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