Discrete-time network-based control under Try-Once-Discard protocol and actuator constraints

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Abstract

This paper deals with the solution bounds for discrete-time Networked Control Systems (NCSs) via delay-dependent Lyapunov-Krasovskii methods. Solution bounds are widely used for systems with input saturation caused by actuator saturation or by the quantizers with saturation. A time-delay approach was introduced recently for continuous-time NCS under a weighted Try-Once-Discard (TOD) protocol in [12], where actuator saturation was not taken into account. In the present paper, we develop the time-delay approach for linear (probably, uncertain) discrete-time NCS under the weighted TOD protocol in the presence of actuator saturation. A novel Lyapunov-based method is presented for finding the domain of attraction. Polytopic uncertainties in the system model can be easily included in our analysis. The efficiency of the time-delay approach is illustrated on the example of a cart-pendulum system.

Original languageEnglish
Title of host publication2014 European Control Conference, ECC 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages442-447
Number of pages6
ISBN (Electronic)9783952426913
DOIs
StatePublished - 22 Jul 2014
Event13th European Control Conference, ECC 2014 - Strasbourg, France
Duration: 24 Jun 201427 Jun 2014

Publication series

Name2014 European Control Conference, ECC 2014

Conference

Conference13th European Control Conference, ECC 2014
Country/TerritoryFrance
CityStrasbourg
Period24/06/1427/06/14

Keywords

  • Lyapunov-Krasovskii method
  • Networked control systems
  • input saturation
  • scheduling
  • time-delay approach

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