Abstract
The investigation of closed-loop systems subject to model perturbations is an important issue to assure stability robustness of a control design. A large variety of model perturbations can be described by norm-bounded uncertainty models. A general approach for modelling structured complex and real-valued parametric perturbations is presented. The resulting robustness analysis problem is solved nonconservatively using real and complex-structured singular-value calculations. The uncertainty modelling and robustness analysis are shown for a high-accuracy 5D electromechanical positioning device to be used in optical (compact disc) recording
Original language | English |
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Pages (from-to) | 301-307 |
Number of pages | 7 |
Journal | IEE Proceedings. Part D, Control Theory and Applications |
Volume | 139 |
Issue number | 3 |
DOIs | |
Publication status | Published - 1992 |