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RTFM-4-FUN
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.ORCID iD: 0000-0002-1791-535X
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.ORCID iD: 0000-0001-5311-1781
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
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2014 (English)In: 2014 9th IEEE International Symposium on Industrial Embedded Systems (SIES 2014): Pisa, 18-20 June 2014, Piscataway, NJ: IEEE Communications Society, 2014Conference paper, Published paper (Refereed)
Abstract [en]

Function Blocks provides a means to model andprogram industrial control systems. The recently acclaimed IEC61499 standard allows such system models to be partitioned andexecuted in a distributed fashion. At device level, such models aretraditionally implemented onto programmable logic controllersand industrial PCs. In this paper, we discuss work in progresson developing a mapping allowing to implement a subset of IEC61499 models onto light-weight embedded devices (MCUs). Wepropose and detail an event semantics, and its mapping to thenotions of tasks and resources for Stack Resource Policy basedanalysis and scheduling. Moreover, we show how the proposedmapping can be efficiently implemented under the RTFM-kernel.Finally we outline a prototype tool-chain and discuss related,ongoing and future work.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 2014.
National Category
Embedded Systems Computer Sciences
Research subject
Embedded System; Dependable Communication and Computation Systems
Identifiers
URN: urn:nbn:se:ltu:diva-31695DOI: 10.1109/SIES.2014.7087453Local ID: 5f425bf0-2a15-489b-8321-1f032143a348OAI: oai:DiVA.org:ltu-31695DiVA, id: diva2:1004929
Conference
IEEE International Symposium on Industrial Embedded Systems : 18/06/2014 - 20/06/2014
Note

Godkänd; 2014; 20141204 (maalin)

Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2019-02-27Bibliographically approved
In thesis
1. Enabling Reactive Design of Robust Real-Time Embedded Systems
Open this publication in new window or tab >>Enabling Reactive Design of Robust Real-Time Embedded Systems
2017 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Luleå: Luleå University of Technology, 2017
Series
Doctoral thesis / Luleå University of Technology 1 jan 1997 → …, ISSN 1402-1544
National Category
Computer Systems Embedded Systems
Research subject
Embedded System
Identifiers
urn:nbn:se:ltu:diva-62322 (URN)978-91-7583-835-9 (ISBN)978-91-7583-836-6 (ISBN)
Public defence
2017-04-24, D770, 13:00 (English)
Opponent
Supervisors
Available from: 2017-03-07 Created: 2017-03-07 Last updated: 2017-11-24Bibliographically approved
2. !secure(system) <=?=> !safe(system): On Security and Safety of Industrial Software Systems
Open this publication in new window or tab >>!secure(system) <=?=> !safe(system): On Security and Safety of Industrial Software Systems
2019 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The focus of our research work is on readily accessible, embedded, real-time development with concurrency support. To this end, we develop the Real-Time For the Masses (RTFM) programming framework with a model of computation based on tasks and resources and that stipulates a timing semantics. Typically, hard real-time requirements are a characteristic of safety-critical applications. In contrast to runtime verification, such applications primarily require static assurances concerning safety and security attributes. This thesis discusses the building blocks for a statically analyzable programming paradigm for embedded real-time applications and its implementation. Svenska kraftnät funded the research presented in this thesis and set the scope to industrial automation. Consequently, we also investigate the applicability of our RTFM framework for scheduling and resource management for the runtime environments of industrial applications. We start by reviewing relevant and well-established industry standards to build background knowledge of the state-of-the-art safety and security requirements in software development. Special attention is placed on the IEC 61131 and IEC 61499 standards for industrial software development and their programming and execution model. We show the feasibility of using IEC 61499 as a holistic, distributed, and hierarchical model with mappings from the functional layer (IEC 61499 function block networks) and safety layer (PLCopen safety function blocks) to RTFM. We also demonstrate that our Rust-based RTFM implementation enables static verification for a myriad of safety and security attributes. Moreover, our investigations reveal a mutual dependency of safety and security in the context of software systems. For this reason, we believe and argue that safety and security cannot be considered independent during the design and implementation of safety-critical applications. Upon closer examination, we even conclude that safety and security are equivalent.

 

Place, publisher, year, edition, pages
Luleå: Luleå University of Technology, 2019
Series
Doctoral thesis / Luleå University of Technology 1 jan 1997 → …, ISSN 1402-1544
Keywords
embedded systems, hard real-time, concurrency, model of computation, safety-critical, safety, security, industrial automation, RTFM, real-time for the masses
National Category
Embedded Systems
Research subject
Embedded Systems
Identifiers
urn:nbn:se:ltu:diva-73059 (URN)978-91-7790-320-8 (ISBN)978-91-7790-321-5 (ISBN)
Public defence
2019-05-08, A3024, Luleå, 13:00 (English)
Opponent
Supervisors
Available from: 2019-03-01 Created: 2019-02-27 Last updated: 2019-09-26Bibliographically approved

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Lindgren, PerLindner, MarcusLindner, AndreasEriksson, JohanVyatkin, Valeriy

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