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基于规则和仿真的交通信号多目标优化方法

Multi-objective Optimization Method of Traffic Signal Based on Rules and Simulation
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摘要 城市交通信号优化是个多目标优化问题,以城市路段和路口交通管控问题为导向,基于规则库和仿真支撑,建立一套面向不同管控策略的交通信号优化方法。首先,建立配时问题成因分析库,梳理出6类控制策略和17项控制手段,以仿真分析、电警过车数据、浮动车数据等为基础,提出各类成因诊断指标和判定条件,针对不同交通场景提出初始管控思路,形成若干套信号控制方案作为方案备选集。其次,通过微观仿真测试方案备选集,以排队长度为约束条件,总通过量、延误和停车为优化目标,得到满足安全和秩序要求的可行解集,在不同管控需求前提下选择最优方案作为战略级信号配时方案。最后,以深圳市新洲路为例,验证本研究提出的方法的可靠性和实际场景下的优化效果。 Urban traffic signal optimization is a multi-objective optimization problem.Taking the traffic control problems of urban road sections and intersections as the guide,a set of traffic signal optimization methods for different control strategies is established based on rule base and simulation support.Firstly,the cause analysis database of timing signal problems is established,sorting out 6 control strategies and 17 control methods,and proposing various types of cause diagnosis indicators and judgment conditions based on simulation analysis,electric police data,floating car data,etc.Initial control ideas are proposed for different traffic scenarios to form several signal control schemes as candidates.Secondly,the candidate scenarios are tested through microscopic simulation,with queue length as a constraint and total throughput,delay,and parking as optimization objectives,to obtain a feasible solution set that satisfies the safety and order requirements.The optimal scheme is selected as the strategic-level signal timing plan under the premise of different control requirements.Finally,taking Xinzhou Road in Shenzhen as an example,the reliability of the method and the optimization effect in the actual scenario are verified.
作者 李林 卢俊朋 罗云辉 王握 LI Lin;LU Junpeng;LUO Yunhui;WANG Wo(Shenzhen Urban Transport Planning Center Co.,Ltd,Shenzhen 518021,China;Peng Cheng Laboratory,Shenzhen 518055,China)
出处 《系统仿真技术》 2024年第2期159-165,共7页 System Simulation Technology
基金 深圳市科技计划(JSGG20210802154800001)
关键词 城市交通 管控策略 交通仿真 规则库 优化 urban traffic control strategy traffic simulation rule base optimization
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