Adaptive output-feedback control for trajectory tracking of electrically driven non-holonomic mobile robots

B. S. Park, S. J. Yoo, J. B. Park, Y. H. Choi

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

In this study, the authors propose an adaptive output-feedback controller for trajectory tracking of electrically driven non-holonomic mobile robots in the presence of parametric uncertainties. A new adaptive observer using the transformation matrices is developed to estimate the unmeasured velocities of the mobile robot. By using the transformation matrices, the designed adaptive observer can deal with quadratic velocity terms caused by the Coriolis matrix in the mobile robot dynamics as well as uncertain parameters in quadratic velocity terms. Based on the designed adaptive observer, a simple tracking controller at the actuator level is induced from the dynamic surface design methodology. Using the Lyapunov stability theory, the authors prove that all errors in a closed-loop system are uniformly ultimately bounded and converge to an adjustable neighbourhood of the origin.

Original languageEnglish
Pages (from-to)830-838
Number of pages9
JournalIET Control Theory and Applications
Volume5
Issue number6
DOIs
Publication statusPublished - 2011 Apr 14

Fingerprint

Adaptive Observer
Output Feedback Control
Nonholonomic
Trajectory Tracking
Mobile Robot
Mobile robots
Feedback control
Transformation Matrix
Trajectories
Robot Dynamics
Controller
Controllers
Parametric Uncertainty
Uncertain Parameters
Lyapunov Stability Theory
Output Feedback
Term
Closed loop systems
Closed-loop System
Design Methodology

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Human-Computer Interaction
  • Computer Science Applications
  • Control and Optimization
  • Electrical and Electronic Engineering

Cite this

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Adaptive output-feedback control for trajectory tracking of electrically driven non-holonomic mobile robots. / Park, B. S.; Yoo, S. J.; Park, J. B.; Choi, Y. H.

In: IET Control Theory and Applications, Vol. 5, No. 6, 14.04.2011, p. 830-838.

Research output: Contribution to journalArticle

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