By Claude Jard, Olivier H. Roux
The elevated complexity of embedded platforms coupled with speedy layout cycles to deal with speedier time-to-market calls for elevated method layout productiveness that includes either model-based layout and tool-supported methodologies.
Formal equipment are mathematically-based strategies and supply a fresh framework during which to specific requisites and types of the platforms, bearing in mind discrete, stochastic and non-stop (timed or hybrid) parameters with more and more effective instruments.
This ebook bargains with those formal tools utilized to speaking embedded platforms by way of offering the similar business demanding situations and the problems of modeling, model-checking, analysis and keep watch over synthesis, and by means of describing the most linked computerized tools.Content:
Chapter 1 types for Real?Time Embedded platforms (pages 1–37): Didier Lime, Olivier H. Roux and Jiri Srba
Chapter 2 Timed Model?Checking (pages 39–66): Beatrice Berard
Chapter three keep watch over of Timed structures (pages 67–105): Franck Cassez and Nicolas Markey
Chapter four Fault analysis of Timed structures (pages 107–138): Franck Cassez and Stavros Tripakis
Chapter five Quantitative Verification of Markov Chains (pages 139–163): Susanna Donatelli and Serge Haddad
Chapter 6 instruments for Model?Checking Timed platforms (pages 165–225): Alexandre David, Gerd Behrmann, Peter Bulychev, Joakim Byg, Thomas Chatain, Kim G. Larsen, Paul Pettersson, Jacob Illum Rasmussen, Jiri Srba, Wang Yi, Kenneth Y. Joergensen, Didier Lime, Morgan Magnin, Olivier H. Roux and Louis?Marie Traonouez
Chapter 7 instruments for the research of Hybrid types (pages 227–251): Thao Dang, Goran Frehse, Antoine Girard and Colas Le Guernic
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Additional info for Communicating Embedded Systems: Software and Design: Formal Methods
Analysis of asynchronous concurrent systems by timed Petri nets, PhD Thesis, Massachusetts Institute of Technology, Cambridge, MA, 1974 [Project MAC Report MAC-TR-120]. , “A T-time Petri net extension for real time-task scheduling modeling”, European Journal of Automation (JESA), vol. 36, num. 7, 973–987, Hermès Science, 2002. , “Time Petri nets with inhibitor hyperarcs. Formal semantics and state space computation”, 25th International Conference on Application and Theory of Petri Nets, (ICATPN’04), vol.
An implementation of the translation is available as a part of the TPN tool Romeo [LIM 09b] and the results seem promising as documented in several case studies [CAS 06]. A problem with this approach is a possibility of potentially higher number of clocks in the produced NTA. Recently D’Aprile et al. in [DAP 07] suggested an alternative technique for the translation from TPN to TA. , in [HAA 02, LIM 03b]) by considering only the underlying untimed reachability graph. It preserves timed bisimulation and TCTL properties.
1. Timed CTL The logic TCTL [ALU 91, ALU 93a, HEN 94b] is interpreted over timed transition systems. We consider T = R≥0 as time domain with continuous executions, which implies that the modality X is not relevant. For the subformula ϕUψ, the principle consists of associating with the modality U a constraint of the form c, for some comparison operator and a constant c, in order to constrain the occurrence time of formula ψ. The syntax of TCTL is given by the following grammar: ϕ, ψ ::= P | ¬ϕ | ϕ ∧ ψ | EϕU∼c ψ | AϕU∼c ψ, where P is an atomic proposition in Prop, operator and c is a constant in N.