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Model-free robot joint position regulation and tracking with prescribed performance guarantees
KTH, School of Computer Science and Communication (CSC), Computer Vision and Active Perception, CVAP. KTH, School of Computer Science and Communication (CSC), Centres, Centre for Autonomous Systems, CAS.ORCID iD: 0000-0001-5129-342X
Aristotle University of Thessaloniki, Greece.
2012 (English)In: Robotics and Autonomous Systems, ISSN 0921-8890, E-ISSN 1872-793X, Vol. 60, no 2, 214-226 p.Article in journal (Refereed) Published
Abstract [en]

The problem of robot joint position control with prescribed performance guarantees is considered; the control objective is the error evolution within prescribed performance bounds in both problems of regulation and tracking. The proposed controllers do not utilize either the robot dynamic model or any approximation structures and are composed by simple PID or PD controllers enhanced by a proportional term of a transformed error through a transformation related gain. Under a sufficient condition for the damping gain, the proposed controllers are able to guarantee (i) predefined minimum speed of convergence, maximum steady state error and overshoot concerning the position error and (ii) uniformly ultimate boundedness (UUB) of the velocity error. The use of the integral term reduces residual errors allowing the proof of asymptotic convergence of both velocity and position errors to zero for the regulation problem under constant disturbances. Performance is a priori guaranteed irrespective of the selection of the control gain values. Simulation results of a three dof spatial robotic manipulator and experimental results of one dof manipulator are given to confirm the theoretical findings.

Place, publisher, year, edition, pages
Elsevier, 2012. Vol. 60, no 2, 214-226 p.
Keyword [en]
Robot motion control; Prescribed performance; Approximator-free controller
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-50917DOI: 10.1016/j.robot.2011.10.007ISI: 000300747800007Scopus ID: 2-s2.0-84855189414OAI: oai:DiVA.org:kth-50917DiVA: diva2:463032
Funder
ICT - The Next Generation
Note

QC 20120326

Available from: 2011-12-08 Created: 2011-12-08 Last updated: 2017-12-08Bibliographically approved

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Publisher's full textScopushttp://www.sciencedirect.com/science/article/pii/S0921889011002028

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Karayiannidis, Yiannis

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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  • de-DE
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Output format
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