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Estimation-based ILC applied to a parallel kinematic robot

In English

Författare

  • Johanna Wallén Axehill
  • Isolde Dressler
  • Svante Gunnarsson
  • Anders Robertsson
  • Mikael Norrlöf

Summary, in English

Estimation-based iterative learning control (ILC) is applied to a parallel kinematic manipulator known as the Gantry-Tau parallel robot. The system represents a control problem where measurements of the controlled variables are not available. The main idea is to use estimates of the controlled variables in the ILC algorithm, and in the paper this approach is evaluated experimentally on the Gantry-Tau robot. The experimental results show that an ILC algorithm using estimates of the tool position gives a considerable improvement of the control performance. The tool position estimate is obtained by fusing measurements of the actuator angular positions with measurements of the tool path acceleration using a complementary filter. (C) 2014 Elsevier Ltd. All rights reserved.

Publiceringsår

2014

Språk

Engelska

Sidor

1-9

Publikation/Tidskrift/Serie

Control Engineering Practice

Volym

33

Dokumenttyp

Artikel i tidskrift

Förlag

Elsevier

Ämne

  • Robotics
  • Control Engineering

Nyckelord

  • Iterative methods
  • Learning control
  • Robotic manipulator
  • Estimation algorithm
  • Performance evaluation

Status

Published

Projekt

  • LCCC

Forskningsgrupp

  • ELLIIT
  • LCCC
  • LUCAS

ISBN/ISSN/Övrigt

  • ISSN: 0967-0661