Iterative learning control method for improving the effectiveness of upper limb rehabilitation

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

6 Scopus citations

Abstract

In rehabilitation, passive control mode is common used at early stages of the post-stroke therapy, when the impaired limb is usually unresponsive. The simplest is the use of a proportional-integral-derivative (PID) feedback control which usually regulates the position or the interaction force along a known reference. Nonetheless PID method cannot achieve an ideal tracking performance due to dynamical uncertainties and unknown time-varying periodic disturbances from the environment. In order to minimize steady-state error with respect to uncertainties in exoskeleton passive control, Iterative Learning Control(ILC) and Neural PID control are proposed to improve the control effective of conventional linear PID. In this paper, two different control algorithms are introduced. Moreover, an experimental study on a 5-DOF upper limb exoskeleton with them is addressed for comparison.

Original languageEnglish
Title of host publicationM2VIP 2016 - Proceedings of 23rd International Conference on Mechatronics and Machine Vision in Practice
EditorsJohan Potgieter, Zhi-Sheng Zhang, Xing-Song Wang, Hong Yi, Peter Xu
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781509027644
DOIs
StatePublished - 19 Jan 2017
Externally publishedYes
Event23rd International Conference on Mechatronics and Machine Vision in Practice, M2VIP 2016 - Nanjing, Jiangsu, China
Duration: 28 Nov 201630 Nov 2016

Publication series

NameM2VIP 2016 - Proceedings of 23rd International Conference on Mechatronics and Machine Vision in Practice

Conference

Conference23rd International Conference on Mechatronics and Machine Vision in Practice, M2VIP 2016
Country/TerritoryChina
CityNanjing, Jiangsu
Period28/11/1630/11/16

Keywords

  • Iterative Learning Control (ILC)
  • Neural PID Introduction
  • passive control mode
  • upper limb exoskeleton

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