A multi-agent based transport system is modeled by timed automata model extended with clock variables. The correctness properties of safety and liveness of this model are verified by timed automata based UPPAAL. Agent...A multi-agent based transport system is modeled by timed automata model extended with clock variables. The correctness properties of safety and liveness of this model are verified by timed automata based UPPAAL. Agents have a degree of control on their own actions, have their own threads of control, and under some circumstances they are also able to take decisions. Therefore they are autonomous. The multi-agent system is modeled as a network of timed automata based agents supported by clock variables. The representation of agent requirements based on mathematics is helpful in precise and unambiguous specifications, thereby ensuring correctness. This formal representation of requirements provides a way for logical reasoning about the artifacts produced. We can be systematic and precise in assessing correctness by rigorously specifying the functional requirements.展开更多
利用通信系统演算CCS(Calculus of Communicating Systems),对用来解决进程间通信问题的信号量给出了形式化建模和验证的方法,并利用该方法对以信号量机制解决生产者—消费者问题和哲学家进餐问题进行建模、逻辑说明和验证。该方法具有...利用通信系统演算CCS(Calculus of Communicating Systems),对用来解决进程间通信问题的信号量给出了形式化建模和验证的方法,并利用该方法对以信号量机制解决生产者—消费者问题和哲学家进餐问题进行建模、逻辑说明和验证。该方法具有一定通用性,并可将其推广到其他通过信号量机制解决进程通信的问题当中。展开更多
There were various conventional modeling techniques with varied semantics for system reliability assessment, such as fault trees(FT), Markov process(MP), and Petri nets. However, it is strenuous to construct and to ma...There were various conventional modeling techniques with varied semantics for system reliability assessment, such as fault trees(FT), Markov process(MP), and Petri nets. However, it is strenuous to construct and to maintain models utilizing these formalisms throughout the life cycle of system under development. This paper proposes a unified formal modeling language to build a general reliability model. The method eliminates the gap between the actual system and reliability model and shows details of the system clearly. Furthermore,the model could be transformed into FT and MP through specific rules defined by a formal language to assess system-level reliability.展开更多
This paper introduces the implementation technology of MDAICI system, a model description and management tool to process comprehensive information in Computer integrated Manufacturing Systems (CIMS). XDMIC combines l...This paper introduces the implementation technology of MDAICI system, a model description and management tool to process comprehensive information in Computer integrated Manufacturing Systems (CIMS). XDMIC combines logic programming with relational database. This paper presents PCRF approach for model description and management-Predicates Calculus to readresent the model and to generate solving programs and Relational Framework to manipulate models and establish a model dictionary. PCF approach implements the division of the model with its solving program and the formalization of the model interpretation, and applies artificial intelligence and database to intelligent modeling and model management.展开更多
文摘A multi-agent based transport system is modeled by timed automata model extended with clock variables. The correctness properties of safety and liveness of this model are verified by timed automata based UPPAAL. Agents have a degree of control on their own actions, have their own threads of control, and under some circumstances they are also able to take decisions. Therefore they are autonomous. The multi-agent system is modeled as a network of timed automata based agents supported by clock variables. The representation of agent requirements based on mathematics is helpful in precise and unambiguous specifications, thereby ensuring correctness. This formal representation of requirements provides a way for logical reasoning about the artifacts produced. We can be systematic and precise in assessing correctness by rigorously specifying the functional requirements.
文摘利用通信系统演算CCS(Calculus of Communicating Systems),对用来解决进程间通信问题的信号量给出了形式化建模和验证的方法,并利用该方法对以信号量机制解决生产者—消费者问题和哲学家进餐问题进行建模、逻辑说明和验证。该方法具有一定通用性,并可将其推广到其他通过信号量机制解决进程通信的问题当中。
文摘There were various conventional modeling techniques with varied semantics for system reliability assessment, such as fault trees(FT), Markov process(MP), and Petri nets. However, it is strenuous to construct and to maintain models utilizing these formalisms throughout the life cycle of system under development. This paper proposes a unified formal modeling language to build a general reliability model. The method eliminates the gap between the actual system and reliability model and shows details of the system clearly. Furthermore,the model could be transformed into FT and MP through specific rules defined by a formal language to assess system-level reliability.
文摘This paper introduces the implementation technology of MDAICI system, a model description and management tool to process comprehensive information in Computer integrated Manufacturing Systems (CIMS). XDMIC combines logic programming with relational database. This paper presents PCRF approach for model description and management-Predicates Calculus to readresent the model and to generate solving programs and Relational Framework to manipulate models and establish a model dictionary. PCF approach implements the division of the model with its solving program and the formalization of the model interpretation, and applies artificial intelligence and database to intelligent modeling and model management.
