Optimal decentralized sigma-delta modulators for quantized feedback control

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概要

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• This paper addresses a problem of designing decentralized sigma-delta modulators for quantized control, i.e., feedback control subject to quantized signal constraints. The sigma-delta modulators to be considered here have a limited information structure so as to be implemented in a decentralized manner, which poses a challenging design problem. We first analytically derive a solution to the problem such that the resulting quantized feedback system optimally approximates the corresponding unquantized system. Next, the performance is demonstrated by a numerical simulation and an experiment for the stabilization problem of a seesaw-cart system.

著者

• Sugie Toshiharu

  Graduate School of Informatics, Kyoto University

• MINAMI Yuki

  Department of Chemistry, Biotechnology, and Chemical Engineering, Graduate School of Science and Engineering, Kagoshima University, Japan

• Minami Yuki

  Department of Control Engineering, Maizuru National College of Technology

• Azuma Shun-ichi

  Graduate School of Informatics, Kyoto University

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