Experimental analysis to estimate jitter in PROFINET IO Class 1 networks

  • Ferrari P
  • Flammini A
  • Marioli D
 et al. 
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Abstract

This paper deals with real-time Ethernet networks based on PROFINET IO Class 1. Generally, industrial automation has a cyclical behavior; jitter in the application cycle depends on many factors and has direct consequences on production quality. In this work, in order to simplify application jitter estimation of complex systems, measurement techniques are introduced and some initial experiments on real devices are presented. Particularly, methods to experimentally estimate the cycle time of bus, IO-Controller and IO-Devices are proposed. Last, some analytical relations have been obtained: preliminary results show an estimation error less than 5%.

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Authors

  • P. Ferrari

  • A. Flammini

  • D. Marioli

  • A. Taroni

  • F. Venturini

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