Formal verification of UML-modeled machine controls
Programmable logic controllers (PLCs) are applied in a wide field of application and, especially, for safety-critical controls. Thus, there is the demand for high reliability of PLCs. Moreover, the increasing complexity of the PLC programs and the short time-to-market are hard to cope with. Formal v...
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| creator | Klotz, T. Fordran, E. Straube, B. Haufe, J. |
| description | Programmable logic controllers (PLCs) are applied in a wide field of application and, especially, for safety-critical controls. Thus, there is the demand for high reliability of PLCs. Moreover, the increasing complexity of the PLC programs and the short time-to-market are hard to cope with. Formal verification techniques such as model checking allow for proving whether a PLC program meets its specification. However, the manual formalization of PLC programs is error-prone and time-consuming. This paper presents a novel approach to apply model checking to machine controls. The PLC program is modeled in form of Unified Modeling Language (UML) state-charts that serve as the input to our tool that automatically generates a corresponding formal model for the model checker NuSMV. We evaluate the capabilities of the proposed approach on an industrial machine control. |
| doi_str_mv | 10.1109/ETFA.2009.5347044 |
| format | Conference Proceeding |
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| identifier | ISSN: 1946-0740 |
| ispartof | 2009 IEEE Conference on Emerging Technologies & Factory Automation, 2009, p.1-7 |
| issn | 1946-0740 1946-0759 |
| language | eng |
| recordid | cdi_ieee_primary_5347044 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Automatic control Control systems Design automation Formal verification Machine control Medical control systems Power system modeling Programmable control Safety Unified modeling language |
| title | Formal verification of UML-modeled machine controls |
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