Optimisation of critical chain sequencing based on activities’ information flow interactions

Junguang Zhang, Xiwei Song, Hongyu Chen and Ruixia (Sandy) Shi

International Journal of Production Research, 2015, vol. 53, issue 20, 6231-6241

Abstract: One critique for the classic critical chain sequencing methods is that only resource constraints and logical relationships between activities are considered, while interactions of information flows are ignored. However, information flow interactions exist between almost all project activities and bring about big rework risk and rework costs in project management, especially for the long-term projects tied up with big amount of money. In this paper, we propose a new approach to sequence a project’s critical chain by considering activities’ information flow. Specifically, we use the design structure matrix to measure directions and intensities of information flows between activities. The criterion for critical chain sequencing is then to minimise the total coordination cost while considering the influence of feedbacks. The simulation results show that, as opposed to the traditional critical chain sequencing methods, our approach shortens average rework time and reduces the cost.

Date: 2015
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DOI: 10.1080/00207543.2015.1043157

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