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Petri Net Part 6

Tham khảo tài liệu 'petri net part 6', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Use of Petri Nets for Modeling an Agent-Based Interactive System Basic Principles and Case Study 141 visible to the user . E ei i e1 2 e 3 e2 3 e2 i e2 2 e3 i e3 2 set of events coming 1 from the agents of the interface with the application module via the dialogue controller agents which send e1 1 and ei 2 events to the presentation module such as alerts dysfunctional events incidents and so on 2 from user actions such as commands or confirmations e1 3 e2 3 3 from non visible actions which become events for other agents e2 1 e2 2 e3 1 e3 2 . AC acv1 1 acv2 1 acv1 2 acv2 2 acN1 1 acN1 2 acN1 3 acN2 3 acN3 3 set of agent actions these actions can be visible acv1 1 acv2 1 acv1 2 acv2 2 acv1 3 such as the display of information on a screen or non visible acN1 1 acN1 2 acN1 3 acN2 3 acN3 3 such as a request for service to other agents. R r1 1 r2 1 r1 2 r2 2 r1 3 set of resources such as keyboard mouse windows. necessary for the visible actions of the agents in order to carry out their actions r1 1 is related to acv1 1 r2 1 is related to acv2 1 and so on . C cv1 1 cv2 1 cv1 2 c .2.2 cN1 1 cN1 2 cN1 3 cN2 3 cN3 3 set of conditions related to the execution of the visible or non visible actions cv1 1 is related to acv1 1 cv2 1 is related to acv2 1 and so on . Fig. 6. Reformulated example related to the disturbance presentation module For a better representation of the example visible in figure 6 one associates an agent identifier i j with all the information present in the example i is the event action or necessary resource number j is the agent number from 1 to N . The possible couples constituted with visible acvi j and non visible acNi j actions are obtained following the appearance of an ei j event under the conditions that ci j is true and the ri j resource is available. The modeling of services of each of the three agents forming the presentation module can be expressed as follows with r0 j resource not necessary for the execution of the non visible action acN0 j by .