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A Method of Optimizing the Work Schedule of Bus Drivers Based on Set Covering Theory |
WEI Jin-li1, GUO Ya-juan2, ZHANG Meng-meng3 |
1. Automobile and Traffic School of Qingdao University of Technology, Qingdao Shandong 266520, China;
2. Traffic School of Jilin University, Changchun Jilin 130022, China;
3. Traffic and Logistics Engineering School of Shandong Jiaotong University, Jinan Shandong 250023, China |
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Abstract A work schedule optimization model of a bus route is proposed to minimize labor cost by optimizing the work schedule of bus drivers. The mathematical model is constructed using set covering theory to minimize the number of operating buses by considering the bus schedule chain of a single bus line as the research subject, as well as the constraints of vehicle operation task, shift time, and labor rules. In addition, a 0-1 integer programming algorithm based on heuristic method is designed to solve the model. Finally, this algorithm is realized according to the real investigation data of Jinan Public Transit, and the schedule scheme is solved using MATLAB. Experiment result shows that (1) unlike other algorithms, 0-1 integer programming algorithm can shorten the waiting period of drivers and decrease the total work time and personnel cost to reduce the operating costs of the bus company; and (2) the method can protect the working hours of drivers by improving their efficiency, thereby providing a reasonable solution to optimize the work schedule of bus drivers.
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Received: 18 June 2016
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Fund:Supported by the National Natural Science Foundation of China (No. 51178231,No.61174175); the Shandong Natural Science Foundation (No. ZR2014EEP023) |
Corresponding Authors:
WEI Jin-li,E-mail:wjl827025@163.com
E-mail: wjl827025@163.com
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