| Titre : | Unified H infty control to suppress vertices of plant input and output sensitivity functions (2011) |
| Auteurs : | Sang Min Suh, Auteur |
| Type de document : | Article : texte imprimé |
| Dans : | IEEE Transactions on control systems technology (Vol. 18 N° 4, Juillet 2010) |
| Article en page(s) : | pp. 969-975 |
| Note générale : | Génie Aérospatial |
| Langues : | Anglais |
| Index. décimale : | 629.1 |
| Tags : | Hard disk drives H infty control Kalman inequality Linear matrix inequalities (LKIs) Loop shaping Nyquist plot Stability Sensitivity peak |
| Résumé : |
This note presents a discrete-time H∞ controller to attenuate effects of external disturbances introduced from both plant input and plant output. In this note, two stage control structure is constructed so that state variable dependent conventional controllers and H∞ loop shaping controllers are simultaneously utilized, which is a different approach from previous methods. For the loop shaping controller, a new weighting function derived from an open loop transfer function of fictitious state-feedback systems is proposed. Since the weighting function inherits implicit stability margins, sufficiently stable closed loop systems are designed, therefore well damped transient responses are achieved.
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| DEWEY : | 629.1 |
| ISSN : | 1063-6536 |
| En ligne : | http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5282508 |
