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PETRI net multi-project plan key chain technology - based research

Author: LiHuiGuo
Tutor: HanWenMin
School: Jiangsu University of Science and Technology
Course: Business management
Keywords: Petri nets Critical Chain Resource constraints Multi-project management
CLC: F284
Type: Master's thesis
Year: 2011
Downloads: 83
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Abstract


The critical chain as a project management methodology , has been successfully applied in several U.S. and European companies , and in some developed countries has been considerable attention and study . Key chain management to the project as a system to implement the project management to improve the shortcomings of traditional network only from the area of process logic to consider the project plan to shorten the project cycle , consider a combination of factors such as resource constraints, and human behavior , breaking the pattern of a traditional plan , proposed plan for project progress and greatly improve production efficiency . Existing critical chain method is mostly deterministic network research and the use of part of the random network research , but are expected based on the random network environment into deterministic network . In reality , there are many uncertainties unexpected resource bottlenecks drift project key chain also changed , the original project plan can not proceed . Petri net is a graphical tool is a mathematical tool , with a graphical , intuitive , able to describe the conflict and concurrency are considered to be the most powerful tool for discrete event systems is studied to date . Petri net significantly superior because of its powerful concurrent processing capabilities Day , and has been gradually and successfully applied to manufacturing companies , so the combination of advanced ideas of the key chain and Petri nets will be a powerful impetus to the uncertainty in the dynamic multi- project management resolve the problem. This paper based on the theory of Petri nets , the paper proposes a new project critical chain identification method , through the buffer settings to eliminate some of the project implementation expected uncertainties , proactive work out with stability baseline project plan , and analyze the utilization of the resources of the project units ; random events will affect the existing project plan and monitoring unit resources , the use of reactive scheduling method to quickly determine new key chain , according to the unit of resource and make corresponding progress of the project schedule . Theory to a practical level , this key chain technology applied in the shipyard project to do a comprehensive empirical analysis done overall of the shipyard dynamic multi-project critical chain management based on Petri nets , and simulation analysis by Witness .

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