Subspace Identification of Linear Time-Periodic Systems with Periodic Inputs
IEEE Control Systems Letters(2021)
Abstract
This letter proposes a new methodology for subspace identification of linear time-periodic (LTP) systems with periodic inputs. This method overcomes the issues related to the computation of frequency response of LTP systems by utilizing the frequency response of the time-lifted system with linear time-invariant structure instead. The response is estimated with an ensemble of input-output data with...
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Key words
Frequency response,Linear systems,Frequency-domain analysis,Frequency estimation,MIMO communication,Matrix decomposition,Time-domain analysis
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