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LIU Ning, ZHONG Chong-quan, MO Ya-lin. Real-time performance of periodic data transmission in EPA industrial Ethernet[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2012, 21(3): 336-342.
Citation: LIU Ning, ZHONG Chong-quan, MO Ya-lin. Real-time performance of periodic data transmission in EPA industrial Ethernet[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2012, 21(3): 336-342.
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Real-time performance of periodic data transmission in EPA industrial Ethernet

  • 1.

    School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo 454000, China

  • 2.

    School of Control Science and Engineering, Dalian University of Technology, Dalian 116024, China

  • Received Date:2011-06-20
    Abstract
  • To evaluate and improve the real-time performance of Ethernet for plant automation (EPA) industrial Ethernet, the real-time performance of EPA periodic data transmission was theoretically and experimentally studied. By analyzing information transmission regularity and EPA deterministic scheduling mechanism, periodic messages were categorized as different modes according to their entering-queue time. The scheduling characteristics and delivery time of each mode and their interacting relations were studied, during which the models of real-time performance of periodic information transmission in EPA system were established. On this basis, an experimental platform is developed to test the delivery time of periodic messages transmission in EPA system. According to the analysis and the experiment, the main factors that limit the real-time performance of EPA periodic data transmission and the improvement methods were proposed.
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    • References (12)
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