Abstract
This research paper proposes a wavelet-based dynamic-state feedback control strategy in the discrete time domain. In this proposal, the state feedback employs a state-space description for the fast wavelet transform, which is also developed in this article. The feedback gains are obtained through a linear quadratic regulator formulation, with cost weights adjusted according to suitable performance metrics. This proposal brings forward efficient results, as well as more robust systems to external perturbations and sensor noises.
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Notes
The mentioned values should be avoided because they have null sine or cosine values, which would correspond to zero-valued elements in the controllability and observability matrices. Therefore, the resulting matrices would not have full rank.
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The authors acknowledge the support of the Brazilian agencies CAPES, CNPq (research fellowships and Ph.D. Grant 160545/2013-7) and FAPESP (Grant 2011/17610-0).
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Uzinski, J.C., Paiva, H.M., Galvão, R.K.H. et al. A Dynamic-State Feedback Approach Employing a New State-Space Description for the Fast Wavelet Transform with Multiple Decomposition Levels. J Control Autom Electr Syst 28, 303–313 (2017). https://doi.org/10.1007/s40313-017-0312-4
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DOI: https://doi.org/10.1007/s40313-017-0312-4