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Closed-loop model checking, a formal verification technique for industrial automation systems, increases the richness of specifications to be checked and reduces the state space to be verified compared to the open-loop case. To be applied, it needs the controller and the plant formal models to be coupled. There are approaches for controller synthesis, but little has been done regarding plant model...
Closed-loop model checking, a formal verification technique for industrial automation systems, increases the richness of specifications to be checked and often helps to reduce size of the state space to be verified compared with the open-loop case. To be applied, it needs two components — the controller and the plant models — to be coupled. While there are approaches for obtaining controller models...
The IEC 61499 standard has become one of the key approaches to building distributed component-based control systems in industrial automation. The problem of adoption of this standard in industrial practice is often associated with incompletely defined semantics of functional blocks (FB), which are main design artifacts of the standard. In this paper we propose formal (operational) semantics of IEC...
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