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JMT 2013, Vol. 21 Issue (1) :9-16    DOI:
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A multi-objective train-scheduling optimization model considering locomotive assignment and segment emission constraints for energy saving
Hui Hu1,2, Keping Li1, Xiaoming Xu1*
1. State Key Laboratory of Rail Traffic Control, Beijing Jiaotong University, Beijing 100044, China;
2. School of Economics and Management, East China Jiaotong University, Nanchang 330013, China

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Abstract Energy saving and emission reduction for railway systems should not only be studied from a technical perspective but should also be focused on management and economics. On the basis of relevant trainscheduling models for train operation management, in this paper we introduce an extended multi-objective trainscheduling optimization model considering locomotive assignment and segment emission constraints for energy saving. The objective of setting up this model is to reduce the energy and emission cost as well as total passengertime. The decision variables include continuous variables such as train arrival and departure time, and binary variables such as locomotive assignment and segment occupancy. The constraints are concerned with train movement, trip time, headway, and segment emission, etc. To obtain a non-dominated satisfactory solution on these objectives, a fuzzy multi-objective optimization algorithm is employed to solve the model. Finally, a numerical example is performed and used to compare the proposed model with the existing model. The results show that the proposed model can reduce the energy consumption, meet exhausts emission demands effectively by optimal locomotive assignment, and its solution methodology is effective.
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Hui Hu
Keping Li
Xiaoming Xu
KeywordsEnergy saving   Emission reduction   Train scheduling   Multi-objective optimization   Locomotive assignment     
Received 2012-09-14;
Fund:

This study was supported by the National Natural Science Foundation of China (No. 71101007), the National High Technology Research and Development Program of China (No. 2011AA110502), State Key Laboratory of Rail Traffic Control and Safety of Beijing Jiaotong University Program (RCS2010ZZ001).

Cite this article:   
Hui Hu, Keping Li, Xiaoming Xu.A multi-objective train-scheduling optimization model considering locomotive assignment and segment emission constraints for energy saving[J]  JMT, 2013,V21(1): 9-16
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http://jmt.swjtu.edu.cn/EN/      or     http://jmt.swjtu.edu.cn/EN/Y2013/V21/I1/9
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