为推动公交优先发展战略全面实施，充分发挥大运量城市轨道交通在公共交通系统中的骨干作用和常规公交的辅助协调作用，需要围绕城市轨道交通对常规公交做出优化调整。该文从城市轨道交通影响范围内的常规公交客流的变化情况入手，对常规公交线网优化调整问题进行描述，建立以直达能力最大为目标函数，以线路长度、非直线系数、公交线网密度等为约束条件的常规公交线网优化模型；构造算例，应用遗传算法进行优化模型求解分析，其结果表明对常规公交线网优化的效果明显。%In order to promote the full implementation of public transport priority development strate‐gy ,make the large capacity backbone role of the urban rail transit and assistance coordinating role of con‐ventional bus transit in to full play ,it is necessary to adjust conventional bus transport to urban rail tran‐sit .Putting the passenger flow changes of the conventional bus transit into consideration ,this paper de‐scribed the optimal adjustment problems on bus transit under the influence of urban rail transit ,established an optimizing model of conventional bus transit network and solved it via genetic algorithm with maximum of non‐stop capacity as its objective function ,the line length ,non‐linear coefficient and public transport net‐work density as its constraints .
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