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Earned duration management under uncertainty
Soft Computing ( IF 3.050 ) Pub Date : 2021-05-04 , DOI: 10.1007/s00500-021-05782-6
Amin Mahmoudi, Saad Ahmed Javed, Xiaopeng Deng

Accurate evaluation of project performance is one of the biggest concerns of project-oriented organizations, and project managers are always looking for suitable tools and techniques to monitor and control the project activities. For a long time, the earned value management system is helping project managers in achieving this objective. However, its predominant focus on project cost and other limitations paved the way for the development of the earned duration management (EDM) system. The EDM system examines the performance of a project in term of time and can also measure the effectiveness of the project schedule at different stages. Since, in real-life, projects are frequently surrounded by uncertainties, the EDM system was extended to fuzzy EDM to make project performance evaluation more realistic but at the expense of increased computational costs and assumptions. Grey system theory is a promising soft computing approach for situations involving uncertainties and can be employed with the least possible information and assumptions. Unlike the fuzzy set theory, it does not require a membership function, thus facilitating data processing. By benefiting from these advantages, the current study aims to propose grey earned duration management (EDM-G) system and compares it with fuzzy EDM and the original EDM systems. The results suggest, the EDM-G system is a convenient and reliable system while it does not require sophisticated computations, large datasets, and membership functions. Finally, its execution on a real-life industrial case study confirmed its validity and reliability, even when multiple experts are involved in performance measurement.



中文翻译:

不确定情况下的挣工期管理

准确评估项目绩效是面向项目的组织所关注的最大问题之一,项目经理一直在寻找合适的工具和技术来监视和控制项目活动。长期以来,挣值管理系统一直在帮助项目经理实现这一目标。但是,它主要关注项目成本和其他局限性,为挣取工期管理(EDM)系统的开发铺平了道路。EDM系统可以按时间检查项目的绩效,还可以衡量项目进度在不同阶段的有效性。由于在现实生活中,项目经常被不确定性所包围,EDM系统已扩展到模糊EDM,以使项目绩效评估更为现实,但以增加的计算成本和假设为代价。灰色系统理论是一种用于不确定性情况的有前途的软计算方法,可以在尽可能少的信息和假设的情况下使用。与模糊集理论不同,它不需要隶属函数,从而简化了数据处理。受益于这些优点,本研究旨在提出灰色挣钱期限管理(EDM-G)系统,并将其与模糊EDM和原始EDM系统进行比较。结果表明,EDM-G系统是一种方便,可靠的系统,而无需复杂的计算,大型数据集和隶属函数。最后,

更新日期:2021-05-04
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