Expert Systems: A Role in Transportation Planning

Mathematical methods can be used in operative transportation systems, but the constantly changing situation often leaves the plans made using mathematical methods impossible to realize without modifications. A modular system for planning freight transportation is extended by including modules based...

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Bibliographic Details
Published in:International journal of physical distribution & logistics management 1988-01, Vol.18 (1), p.3
Main Authors: Lukka, Anita, Lukka, Markku
Format: Article
Language:English
Subjects:
Artificial intelligence
Deliveries
Expert systems
Modular
Planning
Routing
Transportation
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Summary:Mathematical methods can be used in operative transportation systems, but the constantly changing situation often leaves the plans made using mathematical methods impossible to realize without modifications. A modular system for planning freight transportation is extended by including modules based on artificial intelligence techniques for tasks which cannot be solved properly by mathematical techniques. The modules include: 1. adviser for special loads, 2. tuner for load combining, 3. tuner for point-to-point delivery routing, 4. tuner for vehicle assignment, 5. tuner for time-tabling, 6. adviser for urgent tasks, 7. adviser for failures, and 8. a modifier, which is an application of the learning systems approach. All modules except the modifier are applications of the knowledge-based system approach. The planning system works with given estimates and assumptions. Since real-life transportation planning is concerned often with exceptions, computerized vehicle dispatching planning aids are mostly interactive.
ISSN:0960-0035
1758-664X