Hard Problems in Linear Control Theory: Possible Approaches to Solution
Automation and Remote Control
H∞ control by extended static output feedback
ROCOM'09 Proceedings of the 9th WSEAS international conference on Robotics, control and manufacturing technology
Extended static output feedback: an H2-H∞ control setting
WSEAS Transactions on Systems and Control
Solving schubert problems with Littlewood-Richardson homotopies
Proceedings of the 2010 International Symposium on Symbolic and Algebraic Computation
A robust control by extended static output feedback for discrete-time uncertain linear systems
ACMOS'10 Proceedings of the 12th WSEAS international conference on Automatic control, modelling & simulation
A robust control by extended static output feedback for discrete-time uncertain linear systems
ICAI'10 Proceedings of the 11th WSEAS international conference on Automation & information
Generalized pole placement via static output feedback: A methodology based on projections
Automatica (Journal of IFAC)
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We consider linear systems with m inputs, p outputs, and McMillan degree n such that n=mp. If both m and p are even, we show that there is a nonempty open (in the usual topology) subset U of such systems, where the real pole placement map is not surjective. It follows that, for each system in U, there exists an open set of pole configurations, symmetric with respect to the real line, which cannot be assigned by any real static output feedback.