Tham khảo tài liệu 'mechatronics for safety, security and dependability in a new era - arai and arai part 10', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 254 largely by knowledge and service contents rather than just materialistic values in order to compensate for volume reduction. Recently leading scholars were calling for more research in the application of engineering principles to the design and delivery of services a research field that they called service engineering TomiyamaT. 2001 . A service is well defined in a framework consisting of a service provider a service receiver service contents and service channels. A service model consisting of three sub-models scope model view model and flow model is also presented. A computer-aided design tool called Service Explorer is developed to represent a network of the parameters and determines the influence weight one another Shimomura Y. et al. 2003 . In this paper we present a research framework for service engineering based on a kind of high-level Petri Nets Hierarchical Colored Petri Nets Jensen. Kurt 2004 . Firstly we give the flow model in top level net to describe the structure of a target service as a chain of agents existing in the service. Then the sub pages corresponding to the substitution transitions of the top level net give the scope models determining the sub services which include each agent as a receiver. Moreover there are also substitution transitions in the scope model the sub pages corresponding to them give the view models expressing the relationships among the RSPs Receiver State Parameters CoPs Content Parameters and ChPs Channel Parameters . Under this framework we can represent material flow information also deal with RSPs. It will be helpful in intensifying improving and automating the whole service including service creation service delivery and service consumption. We illustrate the development procedure by studying Consumer Electronics Rental Service using CPN TOOLS software. 2. THE WHOLE STRUCTURE OF PRODUCING-CONSUMING SYSTEM AND THE TOP LEVEL PETRI NET By leasing instead of selling Consumer Electronics Rental Service can realize a new
