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Delay Evaluation and Compensation in Ethernet-Networked Control Systems

Abstract : Research in networked control systems (NCS), deals with both communication networks and control. Usually, these two points of view are treated separately and rarely together in the same context. In this paper, an overall study of a networked control system is presented. First, a formal method to evaluate the response time of Ethernet-based automation architectures using a client server protocol is presented. It is based on a modeling by the use of timed event graphs and Max-plus algebra. An algorithm and analytical formulas to evaluate the response time are obtained. This approach is validated using measurements taken on a real platform. Thereafter, the results are used in the synthesis of a Smith predictor-based delay compensation strategy to improve the performance of the whole NCS.
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https://hal.inria.fr/inria-00336514
Contributor : Anne Jaigu <>
Submitted on : Tuesday, November 4, 2008 - 1:06:14 PM
Last modification on : Monday, February 15, 2021 - 10:48:17 AM
Long-term archiving on: : Monday, June 7, 2010 - 7:27:32 PM

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  • HAL Id : inria-00336514, version 1

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Boussad Addad, Saïd Amari. Delay Evaluation and Compensation in Ethernet-Networked Control Systems. 16th International Conference on Real-Time and Network Systems (RTNS 2008), Isabelle Puaut, Oct 2008, Rennes, France. ⟨inria-00336514⟩

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