【摘要】 讨论了基于时间Petri网的供应链、企业之间工作流的运作效率问题，主要研究了供应链的时间Petri网建模及分析方法，提出了原有时间Petri网可达树算法应用于资源调度问题中的不足之处，并改进了原有算法。通过对供应链上资源的优化利用，可以实现对电子商务、协作商务及虚拟企业的有效管理。更多还原

【Abstract】 This paper aims at modeling and analyzing supply chain using TPN (Time Petri Nets). Some principles for modeling a supply chain are introduced, and a TPN based analysis method is discussed. Thus, people can optimize the use of resources both within and beyond the boundaries of enterprises, which is useful in management of electronic commerce, cooperate commerce, and virtual enterprise.更多还原