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Environment-Centric Contracts for the Design of Cyber Physical Systems
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Mechatronics. (Inbyggda kontrollsystem)ORCID iD: 0000-0002-9655-7326
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Mechatronics. (Inbyggda kontrollsystem)
2014 (English)Report (Other academic)
Abstract [en]

A contract splits the responsibilities between a component and its environment into a guarantee that expresses an intended property under the responsibility of the component, given that the environment fulfills the assumptions. Although current contract theories are limited to express contracts over interfaces of components, specifications that are not limited to interfaces are used in practice and are needed in order to properly express safety requirements. A framework is therefore presented, generalizing current contract theory to environment-centric contracts - contracts that are not limited to the interface of components. The framework includes revised definitions of properties of contracts, as well as theorems that specifies exact conditions for when the properties hold. Furthermore, constraints are introduced, limiting the ports over which an environment-centric contract is expressed where the constraints constitute necessary conditions for the guarantee of the contract to hold in an architecture.

Place, publisher, year, edition, pages
KTH Royal Institute of Technology, 2014. , 33 p.
Keyword [en]
Contracts, Requirements, Architecture, Cyber Physical
National Category
Applied Mechanics
Research subject
Engineering Mechanics
Identifiers
URN: urn:nbn:se:kth:diva-143401OAI: oai:DiVA.org:kth-143401DiVA: diva2:706461
Projects
ESPRESSO
Funder
VINNOVA
Note

QC 20140708

Available from: 2014-03-20 Created: 2014-03-20 Last updated: 2016-11-28Bibliographically approved

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fulltext(1012 kB)137 downloads
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Type fulltextMimetype application/pdf

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Westman, Jonas

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf