中文摘要：

挣值管理方法是现代项目管理中评价项目绩效的一个非常重要的系统方法.本文在对传统挣值管理方法简要介绍基础上,从实际应用角度就传统挣值管理方法在项目进度绩效评价方面存在的不足和局限进行分析,提出了一种基于时间进度的进度绩效评价方法-挣时分析法.该方法能够改进传统挣值法在进度评价方面的偏差,而且该方法所有信息都来自传统挣值分析,不需要增加额外的信息.

英文摘要：

The Earned Value Management methodology is a very important and systematic technique that evaluates project performance.This paper studies the disadvantages and limitations of traditional earned value method while evaluating the project Schedule Performance from the application point of view based on the introduction of the traditional earned value management method, and puts forward a performance evaluation method called Earned Time method. It corrects the deviation from traditional earned value method when evaluating the project Schedule Performance, and all the information needed comes form the traditional earned value management.