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dc.contributor.authorDriessen, Brian J.
dc.date.accessioned2015-10-06T20:36:58Z
dc.date.available2015-10-06T20:36:58Z
dc.date.issued2015-09
dc.identifier.citationDriessen, B. J. (2015) Observer/Controller With Global Practical Stability for Tracking in Robots Without Velocity Measurement. Asian Journal of Control, 17: 1898–1913. doi: 10.1002/asjc.1049.en_US
dc.identifier.issn1561-8625
dc.identifier.otherWOS:000361186700036
dc.identifier.urihttp://dx.doi.org/10.1002/asjc.1049
dc.identifier.urihttp://hdl.handle.net/10057/11538
dc.descriptionClick on the DOI link to access the article (may not be free).en_US
dc.description.abstractIn this work, a global practical stability (GPS) observer/controller is given for a revolute-jointed multiple degree of freedom robotic plant without velocity measurement and without knowledge of plant parameter values and with a globally bounded disturbance torque. For this considered plant, a global observer/controller that globally drives the combined estimation and position tracking error to a set on which the tracking error can be made arbitrarily small by adjusting parameters/gains of the observer/controller is proposed. For the above-mentioned plant, the current paper is the first GPS result for which the control torque is not an exponential function of a (filtered) tracking error. This paper is also the first global result for which the convergence to the residual set is exponential in time (Global Exponential Practical Stability). The observer update is discontinuous, however, only at isolated time instants. No sliding modes are used. Also, the torque is continuous.en_US
dc.language.isoen_USen_US
dc.publisherWiley Periodicals, Inc.en_US
dc.relation.ispartofseriesAsian Journal of Control;v.17:no.5
dc.subjectVelocity observeren_US
dc.subjectGlobal practical stability (GPS)en_US
dc.subjectRoboten_US
dc.subjectRobusten_US
dc.subjectOutput feedbacken_US
dc.titleObserver/controller with global practical stability for tracking in robots without velocity measurementen_US
dc.typeArticleen_US
dc.rights.holder© 2014 Chinese Automatic Control Society and Wiley Publishing Asia Pty Ltden_US


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