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With the evolution of the information society and the knowledge economy , the relationship between the various elements of the modern project is growing , and growing demand for integrated management of the project , project integration management has become the determinants of the success of the project . Integrated management of the project is the most important of the entire project management science a comprehensive and global management . The same time, the three main objectives of the project schedule, cost and quality form the target system of the project , the focus of project control . Currently, our project management generally traditional single-factor analysis of variance method , but this method is not enough guidance to the project process and performance , may be misleading , sometimes meaningless . So , you need to implement project management integrated management of the duration and cost of earned value management methods , in order to achieve true dynamic control . In China, the knowledge and understanding of Earned Value Management began in the 1990s with the cooperation of the international engineering company . Integrated management approach earned value management is a new project for China , most people in the earned value management awareness and understanding of state , few in-depth study of their theory . In this paper , on the basis of the basic theory discussed Earned Value Management , focusing on the Earned Value Management index system and integrated elements of analysis and research , which found present in the earned value management methods in the index system errors and defects , earned value management methods integrated elements of development, a prototype of the cost, quality and duration of the three elements of integrated management approach .
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