Modeling and requirements on the physical side of cyber-physical systems

Mats Heimdahl, Lian Duan, Anitha Murugesan, Sanjai Rayadurgam

Research output: Chapter in Book/Report/Conference proceedingConference contribution

13 Scopus citations

Abstract

In a cyber-physical system (a system where the physical world interacts extensively with - often networked - software), the physical portion of the system resides in the continuous and continual domain. Thus, on the physical side of cyber-physical systems we will have to contend with not only real time requirements but also the continuous and continual nature of the system. This poses a new set of challenges for requirements engineering; we must write well defined requirements to address crucial issues not commonly addressed in the software domain. For example, the rate of change of a controlled variable, the time it takes for a controlled variable to settle sufficiently close to a set-point, and the cumulative errors built up over time may be of critical importance. In this paper we outline how early modeling in the continuous domain serves as a crucial aid in the elicitation and discovery of requirements for cyber-physical systems and provide an initial classification of the types of requirements needed to describe crucial aspects of the physical side of a cyber-physical system.

Original languageEnglish (US)
Title of host publication2013 2nd International Workshop on the Twin Peaks of Requirements and Architecture, TwinPeaks 2013 - Proceedings
Pages1-7
Number of pages7
DOIs
StatePublished - Nov 4 2013
Event2013 2nd International Workshop on the Twin Peaks of Requirements and Architecture, TwinPeaks 2013 - San Francisco, CA, United States
Duration: May 21 2013May 21 2013

Other

Other2013 2nd International Workshop on the Twin Peaks of Requirements and Architecture, TwinPeaks 2013
CountryUnited States
CitySan Francisco, CA
Period5/21/135/21/13

Keywords

  • cyber-physical systems
  • modeling
  • Requirements

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