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Sökning: WFRF:(Sandström Thomas) > Konferensbidrag

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  • Hallmans, Daniel, et al. (författare)
  • GPGPU for Industrial Control Systems
  • 2013
  • Ingår i: 18th IEEE International Conference on Emerging Technologies & Factory Automation ETFA'13. - 978-1-4799-0862-2 ; s. Article number 6648166
  • Konferensbidrag (refereegranskat)abstract
    • In this work in progress paper we present parts of our ongoing work on using the Graphical Processing Unit (GPU) in the context of Embedded Systems. As a first step we are investigating the possibility to move functions from a Digital Signal Processor (DSP) to a GPU. If it is possible to make such a migration then it would simplify the hardware designs for some embedded systems by removing external hardware and also remove a potential life cycle issue with obsolete components. We are currently designing a test system to be able to compare performance between a legacy control system used today in industry, based on a CPU/DSP combination, to a new design with a CPU/GPU combination. In this setting the pre-filtering of sampled data, previously done in the DSP, is moved to the GPU.
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  • Sandström, Kristian, et al. (författare)
  • Data Distribution Service for Industrial Automation
  • 2012
  • Ingår i: 17th IEEE International Conference on Emerging Technologies & Factory Automation (ETFA'12). - Krakow, Poland.
  • Konferensbidrag (refereegranskat)abstract
    • The IEC 61499 is an open standard for the next generation of distributed control and automation. Data Distribution Service for Real-Time Systems (DDS) is a specification of a publish/subscribe middleware for distributed systems, created by the Object Management Group (OMG) to standardize a data-centric publish-subscribe programming model for distributed systems. This paper evaluates the DDS communication performance based on a model built within the IEC 61499 standard and compares it with the traditional socket based solution for communication. According to the test results, the DDS communication has the potential to reduce the complexity and is suggested as a suitable solution for some classes of industrial control systems.
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  • Sandström, Kristian, et al. (författare)
  • On Jitter in Time Partitioned Real-Time Systems
  • 2012
  • Ingår i: 17th IEEE International Conference on Emerging Technologies & Factory Automation (ETFA'12), Work-in-Progress (WiP) session. - Krakow, Poland.
  • Konferensbidrag (refereegranskat)
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  • Sandström, Kristian, et al. (författare)
  • On Jitter in Time Partitioned Real-Time Systems
  • 2012
  • Ingår i: IEEE Symposium on Emerging Technologies and Factory Automation, ETFA 2012. - 978-146734737-2
  • Konferensbidrag (refereegranskat)abstract
    • Recent trends towards adopting hypervisors, hierarchical scheduling, and other virtualization technologies that achieve partitioned access to the CPU and other resources impose significant impact with respect to jitter performance in embedded real-time systems. In this paper we make a first step towards characterization, modeling and calculation of this jitter.
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  • Sandström, Kristian, et al. (författare)
  • Virtualization Technologies in Embedded Real-Time Systems
  • 2013
  • Konferensbidrag (refereegranskat)abstract
    • Virtualization is a promising solution to develop complex embedded systems with real-time requirements. This paper discusses the current state-of-the-art in virtualization technologies, with a particular focus on solutions for embedded real-time systems. Several such solutions have been developed over the past decade, and in this paper we give an overview of the more well known technologies and we provide a comparative assessment of key virtualization techniques available in these solutions. Gaps and lacking pieces are identified and further development and research is suggested.
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