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Sei Zhen Khong (University of Melbourne)
Friday 16 September 2011, 14:00-15:00
Robust stability analysis of linear time-varying feedback systems
- đ¤ Speaker: Sei Zhen Khong (University of Melbourne)
- đ Date & Time: Friday 16 September 2011, 14:00 - 15:00
- đ Venue: Cambridge University Engineering Department, LR6
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Dr Ioannis Lestas
Abstract
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.
Series This talk is part of the CUED Control Group Seminars series.
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