石家庄铁道大学学报（自然科学版）
石傢莊鐵道大學學報（自然科學版）
석가장철도대학학보（자연과학판）
JOURAL OF SHIJIAZHUANG TIEDAO UNIVERSITY(NATURAL SCIENCE EDITION)
2014年
4期
72-76
,共5页
信号交叉口%人行过街%指数分布%GI/G/1排队系统
信號交扠口%人行過街%指數分佈%GI/G/1排隊繫統
신호교차구%인행과가%지수분포%GI/G/1배대계통
signal intersection%pedestrian crossing%exponential distribution%GI/G/1 queuing system
为提高信号交叉口人行横道通行能力和行人安全，考虑到人行横道宽度对行人服务水平的影响，在分析其参数的条件下，提出在高峰时段，可将典型信号交叉口人行横道行人入口处和乘客交通量描述成一个排队系统。通过实地调查数据拟合得出行人到达规律服从指数分布、服务规律服从正态分布，且因行人在信号交叉口的走行规律具有休假特性，则该排队系统可用具有批量服务特点的GI/G/1排队模型描述。并基于排队系统的闲期、忙期等重要约束建立该排队模型的优化模型，为人行横道宽度的取值提供了科学的计算依据。
為提高信號交扠口人行橫道通行能力和行人安全，攷慮到人行橫道寬度對行人服務水平的影響，在分析其參數的條件下，提齣在高峰時段，可將典型信號交扠口人行橫道行人入口處和乘客交通量描述成一箇排隊繫統。通過實地調查數據擬閤得齣行人到達規律服從指數分佈、服務規律服從正態分佈，且因行人在信號交扠口的走行規律具有休假特性，則該排隊繫統可用具有批量服務特點的GI/G/1排隊模型描述。併基于排隊繫統的閒期、忙期等重要約束建立該排隊模型的優化模型，為人行橫道寬度的取值提供瞭科學的計算依據。
위제고신호교차구인행횡도통행능력화행인안전，고필도인행횡도관도대행인복무수평적영향，재분석기삼수적조건하，제출재고봉시단，가장전형신호교차구인행횡도행인입구처화승객교통량묘술성일개배대계통。통과실지조사수거의합득출행인도체규률복종지수분포、복무규률복종정태분포，차인행인재신호교차구적주행규률구유휴가특성，칙해배대계통가용구유비량복무특점적GI/G/1배대모형묘술。병기우배대계통적한기、망기등중요약속건립해배대모형적우화모형，위인행횡도관도적취치제공료과학적계산의거。
To improve the capacity of signal intersection pedestrian crossing and the pedestrians’ safety, considering the influence of the pedestrian crossing width on pedestrian service level,this paper proposes that the typical signalized intersection pedestrian entrance and passengers flux be described as a queuing system at rush hours. The exponential distribution law of pedestrian arrival is obtained by field survey data fitting, and services follow a normal distribution law, and because the pedestrian at signalized intersections walk the line regularity with vacation properties, the queuing system is represented as the GI/G/1 queuing system with batch service. The optimized model with important constraints is built based on the busy and fallow period, providing a scientif-ic calculation basis for the crosswalk width.
