Development of a Signal Optimization Algorithm at Isolated Intersections Using Vehicle Arrival Models

차량의 도착모형을 이용한 독립교차로 신호최적화알고리즘 개발

  • Woo, Yong-Han (Dept. of Geodetic Engineering, Kyungil University)
  • 우용한 (경일대학교 측지공학과)
  • Received : 2000.11.05
  • Accepted : 2001.01.05
  • Published : 2001.02.28

Abstract

This study developed signal optimization algorithm by analyzing vehicle arrival patterns. The major principle of signal optimization is dissipate all queueing vehicle in 1cycle and assign delay time uniformly for all approaches. For this, this study used optimal green time and surplus green time. Optimal green time calculated by estimated traffic volume from vehicle arrival model. Surplus green time defined as the gap of optimal green time and queue dissipated time. And alternative cycle has minimum surplus green time was selected as the optimal cycle. Finally, total delay and average delay per vehicle can be calculated by using queueing theory.