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引用次数: 3
摘要
本文介绍了如何利用增强法改进项目挣值法。该方法改进了挣值管理系统(EVMS)和预测项目的时间和成本。这些方法建立了四个变量:计划绩效指数(SPI)、成本绩效指数(CPI)、成本方差(CV)、计划方差(SV)。利用进度生成器软件进行了仿真研究，验证了模型的有效性。本软件是在Visual Studio 2008 - Visual Basic . net 2008和Microsoft Office Project 2007中开发的，它包含了一些基本的假设，数据是每天随机生成的。结果表明，反应变量与上述四个预测因子之间存在较强的相关性。因此，可以得出结论，该模型可以在广泛的项目中用于EAC估算。
Using Enhancement Method to Improve Earned Value Index to Achieve an Accurate Project Time and Cost Estimation
This paper presents how to use enhancement method to improve Earned Value (EV) method of projects. This method improves earned value management system (EVMS) and forecasting time and cost for projects. These method use established consists of four variables: Scheduled Performance Index (SPI), Cost Performance Index (CPI), Cost Variance (CV), Schedule Variance (SV). The model has been validated by a simulation study using a progress generator a new software. This software was developed in Visual Studio 2008 – Visual Basic .NET 2008 and Microsoft Office Project 2007 and it included some basic assumptions and data were generated day by day randomly. The results show a strong relationship between response variable and above four predictors. Therefore, it can be concluded that the model could be used in a wide range of projects for EAC estimation.
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