Proactive heuristic procedures for robust project scheduling: An experimental analysis

Stijn Van de Vonder, Erik Demeulemeester and Willy Herroelen

European Journal of Operational Research, 2008, vol. 189, issue 3, 723-733

Abstract: Solution-robust project scheduling is a growing research field aiming at constructing proactive schedules to cope with multiple disruptions during project execution. When stochastic activity durations are considered, including time buffers between activities is a proven method to improve the stability of a baseline schedule. This paper introduces multiple algorithms to include time buffers in a given schedule while a predefined project due date remains respected. Multiple efficient heuristic and meta-heuristic procedures are proposed to allocate buffers throughout the schedule. An extensive simulation-based analysis of the performance of all algorithms is given. The impact of the activity duration variance structure on the performance is discussed in detail.

Date: 2008
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