路网道路服役性能和交通状态耦合仿真预测

doi:10.13229/j.cnki.jdxbgxb.20230981

摘要/Abstract

摘要：

通过建立考虑交通状态随时间变化的道路设施服役性能预测模型和道路服役性能衰变下的交通运行状态反馈模型，探究了路网道路设施的服役性能和交通运行状态的互相影响规律；融合路网拓扑结构表达和存储，构建了可以有效模拟路网道路服役性能和交通状态耦合演变的仿真模型。采用变步长离散事件仿真方法，在通用PC平台上采用Matlab/Simulink 进行解耦，实现路网道路服役性能和交通状态耦合仿真。应用实例表明：耦合仿真预测方法得到的路网运行状态预测值与实际值误差较小，对比传统不考虑耦合的预测结果精度更高。

关键词: 道路工程耦合仿真, 道路服役性能, 路网交通状态, 路面平整度指数

Abstract:

By establishing the prediction model for the highway infrastructure performance that considered the temporal variation of traffic status and the feedback model for traffic status that considered the decay of highway infrastructure performance， the mutual influence between the two was explored. By integrating the expression and storage of road network topology， the coupled simulation model was constructed. Using the variable step-size discrete event simulation method and Matlab Simulink for decoupling on PC platform， the coupled simulation of the highway infrastructure performance and traffic status was implemented. The application example demonstrates that the simulation model can predict highway infrastructure performance well， and the accuracy is higher than that of the traditional prediction without considering the coupling.

Key words: road engineering coupling simulation, highway infrastructure performance, road network traffic state, pavement roughness index

中图分类号:

U491

杨轸,郑瑞平,巩喆. 路网道路服役性能和交通状态耦合仿真预测[J]. 吉林大学学报(工学版), 2025, 55(6): 1973-1983.

Zhen YANG,Rui-ping ZHENG,Zhe GONG. Highway infrastructure performance and traffic state prediction on road network[J]. Journal of Jilin University(Engineering and Technology Edition), 2025, 55(6): 1973-1983.

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参数	数值
簧上质量M_s/kg	310
簧下质量M_u/kg	35
悬架阻尼系数C/［N·（s·m^-1）］	1 000
悬架刚度K_s/（N·m^-1）	19 500
轮胎刚度K_u/（N·m^-1）	197 000