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by Tom Creemers, Llus Ros Giralt, Jordi Riera, Carles Ferrarons, Josep Roca, Xavier Corbella
http://www-iri.upc.es/people/ros/ps/pap95.ps.gz
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Abstract:
Abstract: The exploitation of a power-distribution network involves the scheduling of multiple maintenance and unforeseen repair tasks. The main resource is a network subject to topological, economical and electric constraints. A line section being maintained needs to be isolated from the rest of the network by opening all surrounding switches. This, in turn, would leave other areas of the network de-energized, which is unacceptable in most cases. Hence, these areas have to get their supply via some alternative way, i.e., service needs being restored closing switches connecting to an energized part of the network, taking into account overloading of branches, energy losses, and the cost of the necessary switching operations. In case tasks are carried out in the same area, switching operations might be shared among them. In some cases a valid network reconfiguration might not even exist. Finally, typical scheduling constraints have to be met: resources of limited availability (manpower, vehicles, etc.), due dates, priority relations, etc. We present PLANETS, a prototype scheduler based on CHIP, generating nearoptimal
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