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An iterative scheme for finite horizon model reduction of continuous-time linear time-varying systems
Kasturi Das, Srinivasan Krishnaswamy, Somanath Majhi
In this paper, we obtain the functional derivatives of a finite horizon error norm between a full-order and a reduced-order continuous-time linear time-varying (LTV) system. Based…
H Optimal Model Order Reduction over a Finite Time Interval
Kasturi Das, Srinivasan Krishnaswamy, Somanath Majhi
For a time-limited version of the H norm defined over a fixed time interval, we obtain a closed form expression of the gradients. After that, we use the gradients to propose a…
Near Optimal Interpolation based Time-Limited Model Order Reduction
Kasturi Das, Srinivasan Krishnaswamy, Somanath Majhi
This paper presents an interpolatory framework for time-limited optimal model order reduction named Limited Time Iterative Rational Krylov Algorithm (LT-IRKA). The algorithm…