计算机工程与应用
計算機工程與應用
계산궤공정여응용
COMPUTER ENGINEERING AND APPLICATIONS
2015年
16期
223-227
,共5页
城市交通%交叉口信号配时%多目标优化模型%行人违章%延误%通行能力
城市交通%交扠口信號配時%多目標優化模型%行人違章%延誤%通行能力
성시교통%교차구신호배시%다목표우화모형%행인위장%연오%통행능력
urban traffic%intersection signal timing%multi-objective optimization model%pedestrian violation%delay%traffic capacity
机动车流量、行人流量均较大的信号控制交叉口，行人路权往往过低，过街闯红灯现象普遍，且难以控制与避免，严重降低了交叉口运行效率。为了有效解决这一问题，采用机动车效益、行人效益、交叉口通行能力为评价指标，以交叉口饱和度为约束条件，在机动车效益指标中考虑了行人闯红灯对机动车造成的延误影响，建立了交叉口多目标信号配时优化模型；设计了求解模型的遗传算法。算例结果表明，所提出的模型能较好改善交叉口综合效益。
機動車流量、行人流量均較大的信號控製交扠口，行人路權往往過低，過街闖紅燈現象普遍，且難以控製與避免，嚴重降低瞭交扠口運行效率。為瞭有效解決這一問題，採用機動車效益、行人效益、交扠口通行能力為評價指標，以交扠口飽和度為約束條件，在機動車效益指標中攷慮瞭行人闖紅燈對機動車造成的延誤影響，建立瞭交扠口多目標信號配時優化模型；設計瞭求解模型的遺傳算法。算例結果錶明，所提齣的模型能較好改善交扠口綜閤效益。
궤동차류량、행인류량균교대적신호공제교차구，행인로권왕왕과저，과가틈홍등현상보편，차난이공제여피면，엄중강저료교차구운행효솔。위료유효해결저일문제，채용궤동차효익、행인효익、교차구통행능력위평개지표，이교차구포화도위약속조건，재궤동차효익지표중고필료행인틈홍등대궤동차조성적연오영향，건립료교차구다목표신호배시우화모형；설계료구해모형적유전산법。산례결과표명，소제출적모형능교호개선교차구종합효익。
In the signal control intersections with large vehicle flow and pedestrian flow, pedestrian road right is usually low such that pedestrians tends to run the red light, which considerably reduces the efficiency of intersection operation. In order to effectively solve this problem, the paper presents a multi-objective signal timing optimization model with vehicle delay, pedestrian delay and traffic capacity as the optimization objectives. Furthermore, saturation degree is taken as restric-tions and the impact of pedestrian violation on the vehicle delay is also taken into account. The genetic algorithm is pro-posed to solve the model. Numerical example results indicate that the model can improve the intersection comprehensive benefit.
