To enhance the efficiency of public transit transfers, a multi-objective collaborative optimization study on the layout of regular bus transfer stations around subway stations was conducted.A multi-objective collaborative optimization model considering three main objectives:passenger transfer convenience,travel time cost,and bus station load balance,was constructed.A solution method based on the social spider optimization algorithm was provided,and dynamic learning rate adjustment methods and Pareto optimal solution sets were introduced to optimize the algorithm.The case analysis results show that after optimization,the average shortest path is reduced by 28.98%,the average shortest path time is reduced by 34.22%,and the average station load balance is improved by 6.5%,indicating that the model has a good optimization effect on station layout.
(1)换乘步行距离。该参数反映了乘客从地铁站到公交站点的步行距离。通过地理信息系统(Geographic information system,GIS)获取地铁站和公交站点的实际坐标,根据地理坐标计算出步行距离。具体而言,使用Haversine公式计算两个经纬度坐标点之间的直线距离,并作为换乘步行距离的标定依据。
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