摘要
为避免双向通道行人流堵塞,建立了对向行人流反馈控制模型。考虑了对向行人流的干扰特性,利用社会力模型的匀速条件推导了对向行人流基本图。由于行人密度沿通道分布不同,按照行走方向不同,将双向通道分为多个分通道,采用状态空间方程建立了基于行人流量守恒的对向行人流系统动力学模型。为满足对向行人移动需求,提出对向行人流均衡控制目标,并建立了线性反馈控制模型。该模型可通过实时调整行人速度和通道两端的行人流入量,使得通道行人密度收敛于临界密度,从而最大化通道行人流量,提高通道服务水平。本文模型可以作为解决行人流和道路交通实时控制问题的普适方法。
A feedback control model of pedestrian counter flow was established to avoid pedestrian flow blocking in bidirectional corridors. The fundamental diagram of bidirectional pedestrian flow incorporating the conflict characteristic was derived using the social force model under the uniform state. To accommodate the possible inhomogeneous pedestrian density along the corridor, the bidirectional corridor was divided into several sections for different directions. A system dynamics model of pedestrian counter flow was proposed using the conversation law of pedestrian mass and the state space equation. To satisfy the moving demand of pedestrians in both directions, the equalization control objective was proposed based on the user equilibrium theory, and the linear feedback control model was established. The proposed control model can maximize the output flow of the corridor, thus improving the service level of the corridor by adjusting the walking speed of pedestrians and the corridor input flow in real time. The proposed model has the capability to serve as a general control method of both pedestrian flow and vehicle flow.
出处
《吉林大学学报（工学版）》
EI
CAS
CSCD
北大核心
2017年第6期1728-1737,共10页
Journal of Jilin University:Engineering and Technology Edition
基金
"十三五"国家重点研发计划项目(2017YFB1201200)
国家自然科学基金项目(71171015)
关键词
交通运输系统工程
对向行人流
系统动力
反馈控制
engineering of communication and transportation system
pedestrian counter flow
system dynamics
feedback control
