New strategies for reliability analysis of Programmable Logic Controllers
نویسندگان
چکیده
منابع مشابه
A rule-based evaluation of ladder logic diagram and timed petri nets for programmable logic controllers
This paper describes an evaluation through a case study by measuring a rule-based approach, which proposed for ladder logic diagrams and Petri nets. In the beginning, programmable logic controllers were widely designed by ladder logic diagrams. When complexity and functionality of manufacturing systems increases, developing their software is becoming more difficult. Thus, Petri nets as a high l...
متن کاملUtilizing Static Analysis for Programmable Logic Controllers
Programmable logic controllers (PLCs) occupy a big share in automation control. However, hardly any validation tools for their software are available. In this work we present a lightweight verification technique for PLC programs. In particular, static analysis is applied to programs written in Instruction List, a standardized language commonly used for PLC programming. We illustrate how these p...
متن کاملa rule-based evaluation of ladder logic diagram and timed petri nets for programmable logic controllers
this paper describes an evaluation through a case study by measuring a rule-based approach, which proposed for ladder logic diagrams and petri nets. in the beginning, programmable logic controllers were widely designed by ladder logic diagrams. when complexity and functionality of manufacturing systems increases, developing their software is becoming more difficult. thus, petri nets as a high l...
متن کاملSoftware verification for programmable logic controllers
ion Abstraction is a fundamental concept used in all formal verification methods. Abstracting means replacing a concrete object with an abstract one which is more universal, and therefore, often has a simpler structure than before. A well-chosen abstraction simplifies as much as possible, without losing too much information about the concrete object. Abstractions can be used in different ways d...
متن کاملAutomatic Fault Localization for Programmable Logic Controllers
Programmable Logic Controllers (PLCs) are widely applied to control safety critical systems. Efficient formal and non-formal methods to detect faulty behavior have been developed, but finding the cause of the buggy behavior is often still a manual process. Automatic fault localization for PLCs is studied in this paper. Methods for automated debugging are analyzed and compared with respect to ac...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Mathematical and Computer Modelling
سال: 2012
ISSN: 0895-7177
DOI: 10.1016/j.mcm.2011.11.050