Design of feedforward filters for improving tracking performances of existing feedback control systems

@article{Tsai2004DesignOF,
  title={Design of feedforward filters for improving tracking performances of existing feedback control systems},
  author={Kuen-Yu Tsai and Charles D. Schaper and Thomas Kailath},
  journal={IEEE Transactions on Control Systems Technology},
  year={2004},
  volume={12},
  pages={742-749}
}
A design procedure for feedforward filters is proposed to improve the tracking performance of existing closed-loop systems. A parametric model is not required because it directly utilizes the frequency response of the closed-loop system, which can be measured accurately. This frequency-shaping approach enables the tradeoff between the quality of model-matching and the size of control efforts by adjusting weighting filters. Time domain specifications can be specified indirectly by approximating… CONTINUE READING

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