Transfer Function Parameters Estimation by Symmetric Send-on-Delta Sampling

  1. José Sánchez
  2. María Guinaldo Losada
  3. Sebastián Dormido
  4. Antonio Visioli
Book:
Actas de las XXXVIII Jornadas de Automática
  1. Hilario López García (coord.)

Publisher: Servicio de Publicaciones ; Universidad de Oviedo

ISBN: 978-84-16664-74-0

Year of publication: 2017

Pages: 174-180

Congress: Jornadas de Automática (38. 2017. Gijón)

Type: Conference paper

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Abstract

In this paper, a method to estimate the parameters of first and second order systems with time delays with different accuracy levels for autotuning of event-based PID controllers is presented. Information from the describing function of the nonlinearity that introduces the event-based sampling strategy and measures of the oscillations are used to generate the estimations. The event-based sampling condition applied is based on the sampling strategy known as symmetric-send-on-delta.

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