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Resource-constrained project scheduling: a case study

机译:资源受限的项目计划:一个案例研究

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摘要

With increasing demand for project scheduling, different methods have been developed for this purpose. Among these existing methods, mixed-integer linear programming (M1LP) is still one of the major approaches for resource-constrained project-scheduling problems. In this study, an integrated methodology is developed to schedule the projects for maintaining the oil platform for an energy company. In this methodology, firstly, a M1LP model is used for project portfolio management to decide which projects will be performed immediately. Then, programme evaluation and review technique (PERT) and critical path method (CPM) are used to create the initial schedule, and MILP is used again for making detailed project schedule. In this detailed project schedule, the objective is to maximise the resource utilisation subject to different constraints, such as resource constraints, safety constraints, area constraints, activity calendar, etc. The optimisation model is solved by Microsoft Solver Foundation. The results show that the methodology developed in this study can improve the resource utilisation and satisfy all constraints.
机译:随着对项目调度的需求的增加,已为此目的开发了不同的方法。在这些现有方法中,混合整数线性规划(M1LP)仍然是解决资源受限的项目计划问题的主要方法之一。在这项研究中,开发了一种综合方法,以安排项目以维护一家能源公司的石油平台。在这种方法中,首先,将M1LP模型用于项目组合管理,以决定将立即执行哪些项目。然后,使用程序评估和审查技术(PERT)和关键路径方法(CPM)来创建初始进度表,并再次使用MILP来制定详细的项目进度表。在此详细的项目进度表中,目标是在受到不同限制(例如资源限制,安全限制,区域限制,活动日历等)的情况下最大化资源利用率。优化模型由Microsoft Solver Foundation解决。结果表明,本研究开发的方法可以提高资源利用率并满足所有约束条件。

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