ℋ/sub ∞/ filtering for continuous-time linear systems with delay
- 1 July 1999
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Automatic Control
- Vol. 44 (7), 1412-1417
- https://doi.org/10.1109/9.774112
Abstract
The problem of /spl Hscr//sub /spl infin// filtering for continuous-time linear systems with time-delayed measurement is investigated. The authors develop a methodology for designing linear filters which ensure a prescribed bound on the /spl Lscr//sub 2/-induced gain from the noise signals to the estimation error. Filtering problems for time varying systems over a finite-horizon, as well as stationary infinite-horizon filtering for time-invariant systems, are tackled. In the finite-horizon case, our estimation procedure entails an overdesign that stems from the last d seconds of the time interval [0,T], where d is the delay length. This overdesign becomes smaller as T increases, and it vanishes in the infinite-horizon case.Keywords
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