摘要
为解决突发事件发生时,城市路网受到较大影响,甚至造成拥堵,文章基于无标度BA网络对路网建模,分析突发事件对节点通行能力的影响,进而通过对网络应用静态局部路由策略,分析不同程度突发事件下的最优路由策略参数,从而得出最佳路由策略。经仿真得出,优化后的模型提高网络临界信息包产生率,网络中数据包的分布更加均匀,路径选择更优,从而减少数据包平均传输时间,能够有效地解决突发事件下节点拥堵问题,使突发事件对网络通行能力的影响减小。
When an emergency occurs on the urban road network,it will have a great impact on the normal operation of the road network,and even cause congestion.Based on the scale-free BA network,a model of the road network was made to analyze the impact of the emergency on the node traffic capacity,and then the optimal routing policy parameters under different degrees of emergencies was analyzed by applying static lo-cal routing policies to the network,so as to obtain the optimal routing policy.The simulation results showed that the optimized model improved the generation rate of critical information packets in the network,making the distribution of the packets in the network more uniform and optimizing the route selection,and thus re-duced the average transmission time of the packets.It could effectively solve the problem of node congestion under emergencies,and diminish the impact of emergencies on network traffic capacity.
作者
仇多利
梁昌勇
肖建于
李晨
QIU Duoi;LIANG Changyong;XIAO Jianyu;LI Chen(School of Management,Hefei University of Technology,230000,Hefei,Anhui,China;School of Computer Science and Technology,HuaiBei Normal University,235000,Huaibei,Anhui,China;Sushi Experimental Group,215000,Suzhou,Jiangsu,China)
出处
《淮北师范大学学报（自然科学版）》
CAS
2023年第4期59-64,共6页
Journal of Huaibei Normal University：Natural Sciences
基金
安徽省高校自然科学研究重点项目(KJ2019A0959)。
