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Hard Realtime Rapid Prototyping Development Platform
Linköping University, Department of Electrical Engineering.
2003 (English)Independent thesis Basic level (professional degree)Student thesisAlternative title
Utvecklingsplattform för snabb framtagning av prototyper för hård realtidsexekvering (Swedish)
Abstract [en]

Matlab Simulink is a commonly used tool in the design process of control systems. To further take advantage of the Matlab Simulink models it is desirable to translate them for realtime use together with the possibility to read/write physical signals.

Real-Time Workshop is an extension to Simulink that automatically generates code from a model to a variety of target platforms. RTAI and RTLinux are hard realtime operating systems, making use of Linux.

To make automatically generated code run on RTAI and RTLinux an adaptation of the generation of code is necessary.

To control, for example, an automotive engine a data acquisition card with an appropriate device driver is required. Comedi, an open source project, provides a number of device drivers for data acquisition cards.

The developed system makes use of Simulink, Real-Time Workshop, RTAI or RTLinux, and the standard data acquisition card NI 6035E using a Comedi device driver. The Simulink models may be executed at frequencies up to 50 kHz on ordinary PC hardware.

The evaluation of the system consisted of measuring the interrupt latency of the used motherboard's bus, measuring computation times running Simulink models with known complexity, running models developed at Vehicular Systems and a comparison of interfacing Simulink/Real-Time Workshop between RTAI and RTLinux.

The recommended realtime operating system is RTAI due to the open source community support of it as a target platform for Real-Time Workshop.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2003. , 60 p.
Series
LiTH-ISY-Ex, 3377
Keyword [en]
Datorteknik, rapid prototyping, hard realtime, RTLinux, RTAI, Simulink, Real-Time Workshop
Keyword [sv]
Datorteknik
National Category
Computer Engineering
Identifiers
URN: urn:nbn:se:liu:diva-1978OAI: oai:DiVA.org:liu-1978DiVA: diva2:19305
Uppsok
teknik
Available from: 2003-10-10 Created: 2003-10-10

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • 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