Operational and algebraic semantics of concurrent processes
Handbook of theoretical computer science (vol. B)
Symbolic model checking for real-time systems
Information and Computation
Temporal verification of reactive systems: safety
Temporal verification of reactive systems: safety
Coloured Petri nets: basic concepts, analysis methods and practical use, volume 3
Coloured Petri nets: basic concepts, analysis methods and practical use, volume 3
PLC-Automata: A New Class of Implementable Real-Time Automata
ARTS '97 Proceedings of the 4th International AMAST Workshop on Real-Time Systems and Concurrent and Distributed Software: Transformation-Based Reactive Systems Development
Verification and Implementation of Dependable Controllers
DEPCOS-RELCOMEX '08 Proceedings of the 2008 Third International Conference on Dependability of Computer Systems DepCoS-RELCOMEX
Translatable finite state time machine
SDL'07 Proceedings of the 13th international SDL Forum conference on Design for dependable systems
Formal component-based modeling and synthesis for PLC systems
Computers in Industry
| Hi-index | 0.00 |
A method is described for modelling, verification and automatic generation of code for PLC controllers. The requirements for a controller are modelled using UML state machine diagram, with a formal semantics given by a finite state time machine. The model can automatically be converted into a timed automaton, embedded into a model of the environment (a controlled plant) and verified against safety requirements using UPPAAL – a free model checking tool for the networks of timed automata. The verified model can automatically be translated into a program code in one of the IEC 61131 languages, e.g., ladder diagram of structured text.