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Positive Sampled-Data Disturbance Attenuation: Separate Design

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Abstract

Robust positive sampled-data observer-based output-feedback energy-to-peak disturbance attenuation is challenging problem because of the following reasons. (i) The typical Luenberger observer has a limited structure for guaranteeing closed-loop positivity. (ii) The conventional sampled-data control framework has no lever to manage closed-loop positivity during sampling intervals and at sampling instants. (iii) A separation principle is to be established for this problem. In this paper, we propose an affirmative methodology to solve this problem.

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Notes

  1. We found that the state-space model introduced by Yin et al. [16] is uncontrollable and unobservable.

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Acknowledgements

This work was supported by Inha University Research Grant.

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Authors and Affiliations

  1. Korea Institute of Robotics & Technology Convergence, Pohang, 37666, Korea

    Sung Chul Jee

  2. Department of Electronic Engineering, Inha University, Incheon, 22212, Korea

    Ho Jae Lee

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  1. Sung Chul Jee
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Jee, S.C., Lee, H.J. Positive Sampled-Data Disturbance Attenuation: Separate Design. J. Electr. Eng. Technol. 19, 1807–1815 (2024). https://doi.org/10.1007/s42835-023-01637-2

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