期刊
COMPUTERS & INDUSTRIAL ENGINEERING
卷 102, 期 -, 页码 10-20出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cie.2016.09.017
关键词
Uncertainty modelling; p-hub center location problem; Uncertain variable; Uncertain measure; Chance-constrained programming
资金
- National Natural Science Foundation of China [71401008, 71271022, U1404701, 71371019, 71332003]
- Fundamental Research Funds for the Central Universities [2014RC038, YWF-16-BJY-20]
- Soft Science Research Program of Henan Province [152400410447]
- State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University [RCS2015ZZ003]
The p-hub center location problem aims to locate p hubs and allocate other nodes to these hub nodes in order to minimize the maximal travel time. It is more important for time-sensitive distribution systems. Due to the presence of uncertainty, more researches are recently focused on the problem in non deterministic environment. This paper joins the research stream by considering travel times as uncertain variables instead of random variables or fuzzy ones. The goal is to model the p-hub center problem based on experts' subjective belief in the case of lack of data. The uncertain distribution of the maximal travel time is first derived and then a chance constrained programming model is formulated. The deterministic equivalent forms are further given when the information of uncertainty distributions is provided. A hybrid intelligent algorithm is designed to solve the proposed models and numerical examples are presented to illustrate the application of this approach and the effectiveness of the algorithm. (C) 2016 Elsevier Ltd. All rights reserved.
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