On the location of LQ-optimal closed-loop poles

This paper represents an exponentially stable controller for-a-two-degree-of freedom robot with nonholonomic constraints. Although this type of system is open loop controllable, this system has been shown to be nonstabilizable via pure smooth feedback (Brockett 1983, Samson and Ait-Abderrahim 1991)....

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Bibliographic Details
Main Authors: Carlos Canudas de Wit, Ole J. Sørdalen
Format: Article
Language:English
Published: Norwegian Society of Automatic Control 1992-01-01
Series:Modeling, Identification and Control
Subjects:
Online Access:http://www.mic-journal.no/PDF/1992/MIC-1992-1-1.pdf