Adaptive Multi-Observer Design for Systems with Unknown Long Input Delay

David F. Novella-Rodrìguez, Emmanuel Witrant, Basilio del Muro-Cuéllar, Juan F. Márquez-Rubio

Research output: Contribution to journalConference articlepeer-review

Abstract

This paper deals with the problem of stabilization of systems with a constant delay in the actuator. The time-delay is unknown and can be considerably long, involving an interesting challenge from the control point of view. The proposed control scheme is based on a set of infinite dimensional observers with an adaptive time-delay estimation. The convergence of the observers is studied considering the time-varying delays introduced by the delay estimation. A stability analysis of the closed-loop control system is provided. The proposed observer-based controller is tested by means of numerical simulation, considering an unstable plant.

Original languageEnglish
Pages (from-to)37-42
Number of pages6
JournalIFAC-PapersOnLine
Volume52
Issue number18
DOIs
Publication statusPublished - 1 Jan 2019
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering

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