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Aspect-Oriented Design Method for Embedded Systems Based on Timed Statecharts

China Communications 2013年第9期10卷 33-42页

作者：文欣秀虞慧群郑红 Department of Computer Science and Engineering East China University of Science and Technology Shanghai Key Laboratory of Computer Software Evaluating and Testing

The formal modelling and verification method has become an effective way of improving the reliability and correctness of complex,safety-critical embedded *** are widely used to formally model embedded applications,but they do not realise the reasonable separation of system concerns,which would result in code scattering and ***-Oriented Software Development(AOSD)technology could separate crosscutting concerns from core concerns and identify potential problems in the early phase of the software development life ***,the paper proposes aspect-oriented timed statecharts(extended timed statecharts with AOSD)to separately model base functional requirements and other requirements(e.g.,scheduling,error handling),thereby improving the modularity and development efficiency of embedded ***,the dynamic behaviours of embedded systems are simulated and analysed to determine whether the model satisfies certain properties(e.g.,liveness,safety)described by computation tree logic ***,a given case demonstrates some desired properties processed with respect to the aspect-oriented timed statecharts model.

关键词： embedded systems model check-ing timed statecharts computation tree logic

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Characterizing Petri Nets with the Temporal logic CTL

Characterizing Petri Nets with the Temporal Logic CTL

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2012 National Conference on Information Technology and Computer Science

作者： Liu Zhifeng School of Computer Science and Telecommunication Engineering,Jiangsu University Zhenjiang,China Xing Zhihu School of Computer Science and Telecommunication Engineering,Jiangsu University Zhenjiang,China

Model checking is a powerful technique for verifying systems and detecting errors at early stages of the design *** model checking is used to check properties of Petri net,the specification has to be expressed in temporal *** this paper we will focus on how to characterize some important properties of Petri net such as reachability,liveness et *** the computation tree logic *** the characterization Petri net can be verified automatically with the help of a model checker.

关键词： model checking petri net computation tree logic

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