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SOLVING DISTURBANCE DECOUPLING FOR SINGULAR SYSTEMS BY P&D-FEEDBACK AND P&D-OUTPUT INJECTION

M. Isabel Garcia-Planas
Singular systems are an important class of systems from both point of view theoretical and practical.
In this paper we analyze the problem of constructing feedbacks and/or output
injections that suppress this disturbance in the sense that
it does not affect the input-output behavior of the system and makes the resulting closed-loop system regular and of index at most one. All results are
based on the canonical reduced forms that they can be computed using
a complete system of invariants and can be implemented in a
numerically stable way.
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