Technical Communique: Dynamic observers for linear time-invariant systems

  • Authors:
  • Jong-Koo Park;Dong-Ryeol Shin;Tai M. Chung

  • Affiliations:
  • School of Electrical & Computer Engineering, Sungkyunkwan University, Suwon 440-746, Kyunggi-Do, South Korea;School of Electrical & Computer Engineering, Sungkyunkwan University, Suwon 440-746, Kyunggi-Do, South Korea;School of Electrical & Computer Engineering, Sungkyunkwan University, Suwon 440-746, Kyunggi-Do, South Korea

  • Venue:
  • Automatica (Journal of IFAC)
  • Year:
  • 2002

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Abstract

An alternative state estimator structure for linear time-invariant systems named for dynamic observer is presented, which can be considered as an extension of the usual observer in its configuration. As a possible design method for the dynamic observer, an efficient and plausible design algorithm is also provided. The mechanism of the proposed dynamic observer design is the dual of the output feedback controller design. The essential characteristics of the dynamic observer to be qualified as an effective observer are addressed.