A priority-rule method for project scheduling with work-content constraints |
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Authors: | C.-U. Fü ndeling,N. Trautmann |
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Affiliation: | Departement Betriebswirtschaftslehre, Universität Bern, Schützenmattstrasse 14, 3012 Berne, Switzerland |
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Abstract: | The activities of a project are in general characterized by a work content in terms of resource–time units, e.g. person-days. Even though most project scheduling models assume a time-invariant resource usage, normally it is possible to vary the resource usage during the execution of an activity. Typically, a lower and an upper bound on this resource usage and a minimum time lag between consecutive changes of this resource usage are prescribed. The project scheduling problem studied in this paper consists in determining a feasible resource-usage profile for each activity such that the project duration is minimized subject to precedence and resource-capacity constraints. While the known solution methods interpret the prescribed work content as a lower bound, we assume that each activity’s work content must be processed exactly. |
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Keywords: | Project scheduling Variable resource usage Work content Priority-rule method |
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