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A FUZZY MINIMUM RISK MODEL FOR THE RAILWAY TRANSPORTATION PLANNING PROBLEM | ||
| Iranian Journal of Fuzzy Systems | ||
| مقاله 4، دوره 8، شماره 4، دی 2011، صفحه 39-60 اصل مقاله (307.76 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22111/ijfs.2011.307 | ||
| نویسندگان | ||
| Lixing Yang* 1؛ Xiang Li2؛ Ziyou Gao2؛ Keping Li2 | ||
| 1State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing 100044, China | ||
| 2State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing 100044, China | ||
| چکیده | ||
| The railway transportation planning under the fuzzy environment is investigated in this paper. As a main result, a new modeling method, called minimum risk chance-constrained model, is presented based on the credibility measure. For the convenience ofs olving the mathematical model, the crisp equivalents ofc hance functions are analyzed under the condition that the involved fuzzy parameters are trapezoidal fuzzy variables. An approximate model is also constructed for the problem based on an improved discretization method for fuzzy variables and the relevant convergence theorems. To obtain an approximate solution, a tabu search algorithm is designed for the presented model. Finally, some numerical experiments are performed to show the applications ofthe model and the algorithm. | ||
| کلیدواژهها | ||
| Minimum risk model؛ Railway transportation planning؛ Credibility measure؛ Discretization method | ||
| مراجع | ||
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