Study on Transit Assignment in Special Event
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摘要: 根据大型活动客流特点,结合城市规模确定线路研究范围;在确定不同站点服务半径的基础上,采用几何划分的方法,确定了站点服务区域;根据站点客流与其服务面积相关的原则,建立了交通小区公交客流分配模型;依据站点与线路的关联属性,考虑换乘与背景客流量,建立了线路客流预测模型;最后,以北京奥运篮球馆晚间散场公交客流分配为例,对线路客流进行了分配,与实际客流进行了对比,最小误差达到3%,基本可以满足公交调度与运营要求.Abstract: According to transit flow characteristics in special event and city size,urban transit route set to study is defined.Based on the defined stop service radius,stop service areas are obtaind by geometric partitioning and they in every traffic zone are known by overlapping.Considered that passenger traffic flow is in direct proportion with service areas,transit assignment model is built.Regarding the relations between stops and lines,and transfer flow and background volume,a passenger flow model is built.Finally,transit assignment in Wukesong Gymnasium is taken for example.Transit flow is assigned and compared with the true transit flow.The minimum error is 3% which can satisfy transit operation demand.
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Keywords:
- special event /
- transit assignment /
- service area /
- geometric partitioning /
- traffic zone
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