核ノルム最小化と射影を用いた連続時間システム同定

書誌事項

タイトル別名
  • Identification of Continuous-time Systems Based on Signal Projection and Nuclear Norm Minimization
  • カク ノルム サイショウカ ト シャエイ オ モチイタ レンゾク ジカン システム ドウテイ

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抄録

This paper proposes a new identification method for continuous-time SISO linear time-invariant models, which does not require the prior knowledge about the system order. First, an appropriately filtered input/output signal is projected onto a finite dimensional signal subspace. Then, based on the projected data, the system order is determined through a nuclear norm minimization which takes account of both model simplicity and output prediction accuracy. Numerical examples are given to demonstrate the effectiveness of the proposed method.

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