Multibody Dynamics Modeling and Control of Wheelchair Balancing System

Sokmengkeang Doung, Unggul Wasiwitono

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

3 Citations (Scopus)

Abstract

An electric wheelchair has the potential to increase the mobility of people with disabilities. The purpose of this study is to obtain the dynamic model and control of the self-balancing wheelchair. Based on the wheeled inverted pendulum principle, a state-feedback control is designed to stabilize the wheelchair in the upright position. Simscape Multibody is used to model and simulate the system dynamics. An obstacle on the ground and different slope angles are used to evaluate the control system's performance. Two types of controller namely LQR and LQR-PID are studied. Among the two controllers, LQR-PID controller exhibits better performance. LQR-PID controller is able to maintain the wheelchair at the equilibrium point (zero points) better than using the LQR controller.

Original languageEnglish
Title of host publicationProceedings - 2021 International Seminar on Intelligent Technology and Its Application
Subtitle of host publicationIntelligent Systems for the New Normal Era, ISITIA 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages123-128
Number of pages6
ISBN (Electronic)9781665428477
DOIs
Publication statusPublished - 21 Jul 2021
Event2021 International Seminar on Intelligent Technology and Its Application, ISITIA 2021 - Virtual, Online
Duration: 21 Jul 202122 Jul 2021

Publication series

NameProceedings - 2021 International Seminar on Intelligent Technology and Its Application: Intelligent Systems for the New Normal Era, ISITIA 2021

Conference

Conference2021 International Seminar on Intelligent Technology and Its Application, ISITIA 2021
CityVirtual, Online
Period21/07/2122/07/21

Keywords

  • Balancing system
  • LQR
  • LQR-PID
  • Multi-body modeling
  • Self-balancing
  • State-feedback
  • Wheelchair

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