| 基于乘客密度的12m城市客车座椅数目确定方法 |
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| 引用本文： | 闫晟煜,赵转转,张凯超,张子健.基于乘客密度的12m城市客车座椅数目确定方法[J].交通信息与安全,2021,39(4):151-156. |
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| 作者姓名： | 闫晟煜 赵转转 张凯超 张子健 |
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| 作者单位： | 1.长安大学汽车学院 西安 710064 |
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| 基金项目： | 交通运输战略规划政策项目2020-23-3陕西省自然科学基础研究计划项目2021JQ-292教育部人文社会科学研究青年基金项目21YJC790137 |
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| 摘 要： | 为选用合理的座椅布置来适应运营时段内客流的变化, 提高城市客车服务能力, 调查了坐姿乘客在车厢地板上的平均投影面积, 明确了划分不同运营时段的判别准则, 提出了1种综合考虑坐姿和站立乘客的乘客密度指数, 分析了车上人数和高峰流量系数对座椅数目最优解的影响; 提出了公交线路上采用单一座椅布置情形下的12m城市客车最优座椅数目确定方法, 分析了座椅布置与运营时段之间的匹配方法, 运用西安市7条公交线路的客流数据验证了模型的可行性, 分析了3种常见座椅布置对运营时段和线路属性的适应性。结果表明: 坐姿乘客在车厢地板上的平均投影面积为0.35 m2/人; 高峰客流系数是影响12 m城市客车座椅数目的关键因素; 公交线路单一座椅布置的座椅数目推荐值为21~43座; 控制实际座椅数目与最优解的偏差在2个座位以内且满足通用布置原则要求时, 可使座椅布置适配公交线路的效果达到最佳。
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| 关 键 词： | 城市交通 城市客车 乘客密度 座椅数目 高峰客流量系数 |
| 收稿时间： | 2020-07-06 |
An Approach for Determining Seating Capacity of 12 m City Buses Based on Passenger Density |
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| YAN Shengyu,ZHAO Zhuanzhuan,ZHANG Kaichao,ZHANG Zijian.An Approach for Determining Seating Capacity of 12 m City Buses Based on Passenger Density[J].Journal of Transport Information and Safety,2021,39(4):151-156. |
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| Authors: | YAN Shengyu ZHAO Zhuanzhuan ZHANG Kaichao ZHANG Zijian |
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| Affiliation: | 1.School of Automobile, Chang'an University, Xi'an 710064, China2.School of Automotive Engineering, Shanxi College of Communication Technology, Xi'an 710018, China |
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| Abstract: | The projected area of seated passengers on board is investigated to provide an optimal solution for the seating configuration to adapt to the passenger flow in the operational periods and improve the serviceability of city buses. The criteria regarding whether the current trip is a peak shift are defined, with a passenger density index proposed for optimizing the seating capacity in operational periods considering both standing and seated passengers. Besides, the work analyzes the effects of the number of people on board and the peak coefficient on the optimal solution of the capacity of seats. An approach is proposed to determine the optimal capacity of seats with a single seat configuration of all the 12 m city buses, with the correspondence between capacity of seats allocated to the bus lines and the operational periods discussed. The feasibility of the present approach is demonstrated through a case study. Moreover, the applicability of three main seat configurations to the operational periods and the attributes of the bus lines are compared. The results show that the projected area of a seated passenger is 0.35 m2 in the city buses in Xi'an and the peak coefficient has a more significant effects on the capacity of seats of the 12 m city buses. The recommended value of the capacity of seats of the 12 m city buses preferably ranges from 21 to 43 seats. When the deviation of the actual capacity of seats with the optimal solution is controlled within 2 seats and the specifications of seat configuration are considered, which adapted to the bus line can achieve the desired effects. |
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