The embodiment of the invention provides a traffic signal lamp timing method considering the carcinogenic risk of vehicle exhaust emission, and belongs to the technical field of data processing, and the method specifically comprises the steps: obtaining the signal timing basic parameters of a target region and the related data of an intersection; calculating intersection traffic delay according to a preset signal lamp timing method, the signal timing basic parameters and the intersection related data; determining pollutant emission factors; calculating the pollutant discharge amount of the motor vehicle at the intersection and calculating the pollutant concentration according to the pollutant discharge amount; calculating the daily average exposure dose of the intersection crowd according to the pollutant concentration and the exposure parameters; constructing a carcinogenic risk model according to the daily average exposure dose and the carcinogenic intensity coefficient; constructing an urban road intersection signal optimization model according to the carcinogenic risk model; and solving the urban road intersection signal optimization model by using a genetic algorithm by taking the minimum carcinogenic risk value as an optimization target to obtain a signal lamp timing scheme. Through the scheme disclosed by the invention, the environmental protection property is improved.
本公开实施例中提供了一种考虑车辆尾气排放致癌风险的交通信号灯配时方法,属于数据处理技术领域,具体包括:获取目标区域的信号配时基本参数和交叉口相关数据;根据预设的信号灯配时方法、信号配时基本参数和交叉口相关数据计算交叉口交通延误;确定污染物排放因子;计算机动车在交叉口的污染物排放量并据此计算污染物浓度;根据污染物浓度和暴露参数计算交叉口人群的日均暴露剂量;根据日均暴露剂量和致癌强度系数构建致癌风险模型;根据致癌风险模型构建城市道路交叉口信号优化模型;以致癌风险值最小为优化目标,利用遗传算法求解城市道路交叉口信号优化模型,得到信号灯配时方案。通过本公开的方案,提高了环保性。
Traffic signal lamp timing method considering carcinogenic risk of vehicle exhaust emission
考虑车辆尾气排放致癌风险的交通信号灯配时方法
2023-10-13
Patent
Elektronische Ressource
Chinesisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen / G16C / G16H Medizinische Informatik, d.h. Informations- und Kommunikationstechnik [IKT] besonders ausgebildet für die Handhabung oder Verarbeitung medizinischer oder auf das Gesundheitswesen bezogener Daten , HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA |
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