Robust stability analysis of linear time-varying feedback systems
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If you have a question about this talk, please contact Dr Ioannis Lestas.
The robust stability of uncertain linear feedback
interconnections is
studied within an operator-theoretic setting via a time-varying
generalisation of the nu-gap metric. It is also shown that the use of
integral-quadratic-constraints to encapsulate the uncertainty can reduce
conservatism. This involves establishing the path-connectedness of
sufficiently small nu-gap balls. As an application of the theoretical
developments, a sampled-data approximation problem is rigorously
formulated and optimally solved. A linear-fractional characterisation of
the nu-gap metric plays a central role throughout.
This talk is part of the CUED Control Group Seminars series.
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