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

Zhang, Junguang; Song, Xiwei; Chen, Hongyu; Shi, Ruixia

doi:10.1080/00207543.2015.1043157

Cited by 27 publications

(16 citation statements)

References 28 publications

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“…In reality project resources are not unlimited. Thus, scheduling without considering resource constraints gives unreliable schedules (Zhang et al 2015;Zheng et al 2014).…”

Section: Ccpm and Project Buffermentioning

confidence: 99%

Critical chain project buffer sizing based on resource constraints

Zhang

Song

Díaz

2016

International Journal of Production Research

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Project scheduling is a complex process involving many types of resources and activities that require optimisation. The resource-constrained project scheduling problem is one of the well-known problematic issues when project activities have to be scheduled to minimise the project duration. Consequently, several methods have been proposed for adjusting the buffer size but none of these traditional methods consider buffer sizing accuracy based on resource constraints. The purpose of this paper is to develop a buffer sizing method based on a fuzzy resource-constrained project scheduling problem in order to obtain an appropriate proportionality between the activity duration and the buffer size. Specifically, a comprehensive resource-constrained method that considers both the general average resource constraints (GARC) and the highest peak of resource constraints (HPRC) is proposed in order to obtain a new buffer sizing method. This paper contributes to the research by considering several different aspects. First, this paper adopts a fuzzy method to calculate and obtain the threshold amount. Second, this paper discusses the resource levelling problem and proposes the HPRC method. Third, the proposed method uses a fuzzy quantitative model to calculate the resource requirement. The findings indicate that the project achieved higher efficiency, providing effective protection and an appropriate buffer size.

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“…In reality project resources are not unlimited. Thus, scheduling without considering resource constraints gives unreliable schedules (Zhang et al 2015;Zheng et al 2014).…”

Section: Ccpm and Project Buffermentioning

confidence: 99%

Critical chain project buffer sizing based on resource constraints

Zhang

Song

Díaz

2016

International Journal of Production Research

Self Cite

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“…The objective function for activity sequencing is to minimize the total coordination cost (Zhang, Song, Chen, & Shi, 2015). The critical chain can then be obtained after optimization without changing the resource constraints and mandatory logical relationship.…”

Section: The Experimental Layoutsmentioning

confidence: 99%

Project buffer sizing of a critical chain based on comprehensive resource tightness

Zhang

Song

Díaz

2016

European Journal of Operational Research

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“…To address these challenges where traditional project scheduling methods including the Critical Path Method (CPM) and the Program Evaluation and Review Technique (PERT) lose their efficiency, Goldratt (1997) applied the Theory of Constraints (TOC) to the Project Management area and introduced the critical chain scheduling and buffer management (CC/BM) methodology. Since its advent, CC/BM has been extensively explored in the academic world (Herroelen et al 2002;Blackstone et al 2009;Bevilacqua et al 2009;Ahlemann et al 2013;Tian and Demeulemeester 2013;Peng and Huang 2014;Yang and Fu 2014;Zhang et al 2015a;Zhang et al 2016, among others). The main advantages of CC/BM include its overall integration of activity durations, precedence relations and resource constraints, its explicit protection against stochastic variations under uncertainty by the use of aggregated time buffers and a set of reasonable control guidelines based on buffer monitoring (Trietsch and Baker 2012;Khemakhem and Chtourou 2013;Wang et al 2014;Zhang et al 2015b).…”

Section: Introductionmentioning

confidence: 97%

Improved critical chain buffer management framework considering resource costs and schedule stability

Demeulemeester

Cui

et al. 2016

Flex Serv Manuf J

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The critical chain scheduling and buffer management (CC/BM) methodology has proven to be a favorable approach to schedule resource-constrained projects and to offer a valuable control tool for monitoring projects under uncertainty. The previous studies on CC/BM seem to have neglected the cost performance, which might render its wider applications to the modern economic activities that are mostly performed in a project way. This paper presents an improved CC/BM framework that allows additional resource allocation/reallocation to bring forward activity starting times based on cost and schedule stability criteria. In the planning phase, the decision is made concerning the regular resource availability period in order to minimize the expected resource costs. In the execution phase, a scheduled order repair method for rescheduling along with two reactive resource allocation procedures as the corrective action whenever delays are beyond a certain buffer threshold are presented and examined in order to exhibit a comprehensive project schedule/cost control system that is adaptive to the CC/BM management logic. Finally, our computational experiment demonstrates the benefits of the proposed reactive methods under different cost or availability parameters.

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

Cited by 27 publications

References 28 publications

Critical chain project buffer sizing based on resource constraints

Critical chain project buffer sizing based on resource constraints

Project buffer sizing of a critical chain based on comprehensive resource tightness

Improved critical chain buffer management framework considering resource costs and schedule stability

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