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High-gain approach based full-order observers for linear systems with unknown inputs

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Abstract

In this paper, a full-order observer which can be fully decoupled from the unknown inputs as the conventional full-order observer does is designed by using auxiliary outputs, but the requirement of the matching condition is removed. The procedure of calculating the parameter matrices of the full-order observer is also presented. Compared with the existing auxiliary outputs based sliding-mode observers, the designed observer has a simpler design procedure, which is systematic and does not involve solving linear matrix inequalities. The simulation results show that the proposed method is effective.

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Authors and Affiliations

  1. Department of Automation, Tsinghua University, Beijing, 100084, China

    Dong Han  (韩 冬) & Jun Liu  (刘 俊)

Authors
  1. Dong Han  (韩 冬)
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  2. Jun Liu  (刘 俊)
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Corresponding author

Correspondence to Dong Han  (韩 冬).

Additional information

Supported by the National Natural Science Foundation of China (No.61203299).

Han Dong, born in 1975, male, Dr, associate researcher .

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Han, D., Liu, J. High-gain approach based full-order observers for linear systems with unknown inputs. Trans. Tianjin Univ. 22, 164–173 (2016). https://doi.org/10.1007/s12209-016-2534-0

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  • DOI: https://doi.org/10.1007/s12209-016-2534-0

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