摘要
研究遗传算法优化PI控制器的参数,并应用到高速公路匝道控制中。阐述了匝道控制目标,建立了高速公路交通流模型,给出了遗传算法优化的步骤,并对入口匝道PI控制器的参数进行了优化。仿真结果表明,该方法性能优越,用于高速公路入口匝道控制中效果良好。
An optimization method of the PI controller parameters with genetic algorithm is developed and applied to freeway ramp metering.The objective of ramp metering is formulated,and the freeway traffic flow model is built.Then the optimization procedures with genetic algorithm are given,and the parameters of an on-ramp PI controller are optimized.Simulation results show that the optimization method is of high performance.It is very effective to freeway ramp metering.
出处
《计算机工程与应用》
CSCD
北大核心
2008年第4期216-218,共3页
Computer Engineering and Applications
基金
中国博士后科研基金项目(No.20060400751)
广东省自然科学基金(the Natural Science Foundation of Guangdong Province of China under Grant No.06300326)
关键词
高速公路
匝道控制
遗传算法
PI控制
优化
freeway
ramp metering
genetic algorithm
PI control
optimization
