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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kwan, R.S.K. Wren, A. Kwan, A.S.K. |
| Copyright Year | 2000 |
| Description | Author affiliation: Sch. of Comput. Studies, Leeds Univ., UK (Kwan, R.S.K.) |
| Abstract | Introduces the subject of bus- and train-driver scheduling, and outlines a standard successful approach (TRACS II) using a blend of heuristics and integer linear programming. We discuss a few limitations of this system; in order to overcome these, we have investigated a range of metaheuristics and constraint programming approaches, and some of these are outlined. Finally, we present a hybrid genetic algorithm which is successfully used to overcome the above limitations. In this approach, all probable potential shifts are generated according to well-developed heuristics that are already used in TRACS II. The selection of such shifts to form a schedule is modeled as a set-covering problem, and the relaxation of this problem, ignoring integer conditions, is solved to optimality. A genetic algorithm then develops a solution schedule based on some of the characteristics of the relaxed solution. It is suggested that this approach might be suitable for other set-covering problems. |
| Starting Page | 285 |
| Ending Page | 292 |
| File Size | 933401 |
| Page Count | 8 |
| File Format | |
| ISBN | 0780363752 |
| DOI | 10.1109/CEC.2000.870308 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2000-07-16 |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Genetic algorithms Vehicle driving Processor scheduling Integer linear programming NP-hard problem |
| Content Type | Text |
| Resource Type | Article |
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