The Object-Oriented (O-O) approach has been recently used in the industrial automation to design logic control systems, thanks to the features of specification languages (e.g. UML) that can help to describe event-based behavioral requirements. In this paper, we aim to formalise an O-O framework for the design of modular logic controllers, in which faults occurring in the plant can alter the behavior of closed-loop system. Given the formal model of the system in terms of Kripke structures, it is possible to verify with model checking that even in case of faults the system do not violate given safety and liveness properties. Moreover, we will consider the case in which an O-O logic controller is refined applying the so-called “design-byextension” mechanism, in which case it is important to verify that the fault tolerance property is inherited by the refined system.

Verification of Fault Tolerance of Discrete-Event Object-Oriented Models using Model Checking

BONFE', Marcello;
2008

Abstract

The Object-Oriented (O-O) approach has been recently used in the industrial automation to design logic control systems, thanks to the features of specification languages (e.g. UML) that can help to describe event-based behavioral requirements. In this paper, we aim to formalise an O-O framework for the design of modular logic controllers, in which faults occurring in the plant can alter the behavior of closed-loop system. Given the formal model of the system in terms of Kripke structures, it is possible to verify with model checking that even in case of faults the system do not violate given safety and liveness properties. Moreover, we will consider the case in which an O-O logic controller is refined applying the so-called “design-byextension” mechanism, in which case it is important to verify that the fault tolerance property is inherited by the refined system.
2008
Discrete Event Systems; Fault Tolerance; Model Checking
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in SFERA sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/532917
 Attenzione

Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo

Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 2
  • ???jsp.display-item.citation.isi??? ND
social impact