Before the designing and realization of such a network planning technology ,a lot of domestic and foreign literature and materials of the achievement about information management of the program have been read ,the new technology and the trend of program have been learned about ,and the advanced management methods and basic theories have been mastered ,such as Key Route Method ,Chart Evaluation Technology ,and Planning Evaluation Technology.
In the judging of key route, popular task card law to judge is not be adopted, optimization network of optimization theory is introduced and adopted to judge key route, to make judging swifter and more accurate of key route.
In the key route method,the optimization of net work about plan time and cost can be transfered to a series of single period decisions and formed an optimum decision making of definite scatter problem. This paper ries to use the dynamical program making technique to treat the above mentioned procedure
By comparing the key route and shortest time of EDI's application in port bills' circulation with those without EDI, the article indicates that the benefit of EDI's application in port bills' circulation is great.
By analyzing ordinary college track and field sports, drawing out the network picture, and working out the key route, the paper proves that the network planning technology employed in sports meeting to arrange the items will create a better effect.
Critical path method (CPM) is a technique that is used to evaluate and manage the performance of a project by using activity network and by finding out the critical path;
To the characteristic of IT project's heavy random and bad planning, it introduces the main content of the Network Program Technique in IT project management from the Project Schedule, namely the Critical Path Method (CPM) and the Program Evaluation and Review Techniques (PERT).
针对IT项目随意性大和计划性差的特点,从项目进度计划入手,详细介绍了IT项目网络计划技术的主要内容,即关键路线法(Critical path method, CPM)和计划评审技术(Program evaluation and review techniques, PERT)。
Meanwhile, it sets up the definition and calculation of fuzzy time parameter based on it. And it gives the new definition of fuzzy key liner, advances fuzzy sub-key line and the new algorithm about the new fuzzy key line.
All these are based on the new definition of "fuzzy mum or min ". By comparing the results of the living example, it analyzes the inconsequence of the old algorithm about the key line of the fiizzy network and verifies the rationality of the new method based on the new definition advanced.
This paper analyses and discusses the implication and calalation of all types of time gaps in network program technique and then probes into how to use time gaps to determine the key line to realize the optimization of network.
Because of the complicated and crisscross underground caverns, the East China Investigation and Design Institute, taking the excavation of the powerhouse as key line, optimized the construction of the caverns as a whole by adopting the three dimensional elastic plastic finite element analysis method in combination with the actual discovered geological conditions and the construction progress schedule.