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Formal Modelling and Verification of IEC61499 Function Blocks with Abstract State Machines and SMV: Execution Semantics
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.ORCID iD: 0000-0003-2936-4185
University of Auckland, Penza State University, Department of Computer Science, University of Penza.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.ORCID iD: 0000-0002-9315-9920
2015 (English)In: Dependable Software Engineering: Theories, Tools, and Applications : First International Symposium, SETTA 2015, Nanjing, China, November 4-6, 2015, Proceedings / [ed] Xuandong Li; Zhiming Liu; Wang Yi, New York: Encyclopedia of Global Archaeology/Springer Verlag, 2015, p. 300-315Conference paper, Published paper (Refereed)
Abstract [en]

IEC 61499 Standard for Function Blocks Architecture is an executable component model for distributed embedded control system design that combines block-diagrams and state machines. This paper proposes approach to formal modelling of IEC61499 function block execution semantics for popular model checking environment of SMV using Abstract State Machines. An operational semantics of IEC 61499 application with two-stage synchronous execution model is presented using this framework. This paper first introduces the importance of model checking function block applications in different execution semantics. It highlights the uses of formal verification, such as, verifying portability (behavior) of component based control applications across different implementation platforms compliant with the IEC 61499 standard. The formal model is applied on an example IEC 61499 application. The paper compares the verification results of this IEC 61499 application with two-stage synchronous execution model and the same application with cyclic execution model presented in the earlier work. With this comparison, we verify the portability of the IEC61499 applications across different platforms.

Place, publisher, year, edition, pages
New York: Encyclopedia of Global Archaeology/Springer Verlag, 2015. p. 300-315
Series
Lecture Notes in Computer Science, ISSN 0302-9743 ; 9409
National Category
Computer Sciences
Research subject
Dependable Communication and Computation Systems
Identifiers
URN: urn:nbn:se:ltu:diva-33040DOI: 10.1007/978-3-319-25942-0_20ISI: 000374099200020Scopus ID: 2-s2.0-84951190237Local ID: 7c8dc356-c8b1-4711-a278-5ae470631c3eISBN: 978-3-319-25941-3 (print)ISBN: 978-3-319-25942-0 (electronic)OAI: oai:DiVA.org:ltu-33040DiVA, id: diva2:1006275
Conference
Symposium on Dependable Software Engineering : Theories, Tools and Applications 04/11/2015 - 06/11/2015
Note
Validerad; 2015; Nivå 1; 20151022 (andbra)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2018-07-10Bibliographically approved
In thesis
1. Enhanced engineering of component-based industrial automation systems using formal methods
Open this publication in new window or tab >>Enhanced engineering of component-based industrial automation systems using formal methods
2018 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Industrial automation is facing challenges related to a manufacturing change from mass pro-duction to mass customization. As a result, the focus of automation has been shifting to flexi-bility, reconfigurability and safety assurance resulting in a new class of systems that is heavilymodular. We call this new class of systems as Component-Based industrial Automation Sys-tems (CBAS).

Given the current challenges and shift in focus, the current engineering practices and meth-ods need to be changed or upgraded. One of these practices is software verification and valida-tion (V&V) techniques. Simulation is one of the well-known V&V techniques used currentlyin CBAS. Simulation is performed by building simulation models for the physical process,for example, simulation using Matlab. However, development of simulation models is time-consuming and does not guarantee 100% validation of the automation control software makingjust simulation inadequate for CBAS. To address this problem, formal verification has beenconsidered as a proper complementary V&V technique. Discrete state model checking is oneof such approaches, which is the process of automatically verifying whether a set of desiredformal specifications is satisfied over the target system model. While model checking is com-putationally resource hungry, it has been successfully used in other adjacent areas of computersystems engineering, such as hardware design, proving its ability to handle problems of rea-sonably large complexity. This suggests that model checking can be applied in the industrialautomation domain, and there has been an impressive number of works towards this goal.

Despite moderate successes and promises the reality is that formal techniques are rarelyused in the development practice by industrial automation engineers. It seems that the existingtools and methods do not fit into the current Software Development Life Cycle (SDLC) of au-tomation systems engineering. This thesis first looks at current state of art with comprehensiveliterature review, identifying 3 main challenges for lack of industrial adoption of formal verifi-cation. The thesis then presents various formal method approaches to address these challenges.The main contribution of the thesis is a method for the formal verification of IEC 61499 func-tion block applications using Abstract State Machines (ASM) and model checking. A formaldescription for main artifacts of the standard is presented in the thesis. Further, ASM rules fortranslation for function blocks to the input format of the SMV model checker is presented. Inthis way, the proposed verification method enables the formal verification of the IEC 61499control systems.

As results, the thesis presents an application of this framework to industrial automation usecases to check for functional and non-functional requirements. It also presents use cases wherethe proposed framework is used for verifying portability of IEC 61499 based control applica-tions across different implementation platforms compliant with the IEC 61499 standard.

Place, publisher, year, edition, pages
Luleå: Luleå tekniska universitet, 2018. p. 300
Series
Doctoral thesis / Luleå University of Technology 1 jan 1997 → …, ISSN 1402-1544
National Category
Computer Systems Computer Sciences
Research subject
Dependable Communication and Computation Systems
Identifiers
urn:nbn:se:ltu:diva-68113 (URN)978-91-7790-082-5 (ISBN)978-91-7790-083-2 (ISBN)
Public defence
2018-05-29, A109, Luleå Campus, Luleå, 12:00 (English)
Opponent
Supervisors
Available from: 2018-04-03 Created: 2018-03-30 Last updated: 2018-05-17Bibliographically approved

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Patil, SandeepVyatkin, Valeriy

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