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Krein space approach to robust filtering for multiple uncertain systems

  • Jin Feng*
  • , Fei Yu
  • , Na Yang
  • , Pengyu Zhang
  • , Wei Gao
  • , Xin Zhang
  • *Corresponding author for this work
  • Harbin Engineering University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this paper, a new Krein space approach to robust filtering for linear systems with multiple uncertainties is developed. The multiple uncertainties satisfy the energy-type constraints, entering into both state and measurement equations. The proposed approach is used to tackle the sub-optimization problem arising from a sum quadratic constraint (SQC) of system uncertainties. To this end, a novel Krein space formal system is designed. Then recursive estimation is derived from the formal system. Also, the necessary and sufficient condition for the estimation to be optimal is proposed. Finally, a numerical example is given to demonstrate the effectiveness of the proposed approach.

Original languageEnglish
Title of host publication2011 IEEE International Conference on Automation and Logistics, ICAL 2011
Pages304-308
Number of pages5
DOIs
StatePublished - 2011
Externally publishedYes
Event2011 IEEE International Conference on Automation and Logistics, ICAL 2011 - Chongqing, China
Duration: 15 Aug 201116 Aug 2011

Publication series

NameIEEE International Conference on Automation and Logistics, ICAL
ISSN (Print)2161-8151

Conference

Conference2011 IEEE International Conference on Automation and Logistics, ICAL 2011
Country/TerritoryChina
CityChongqing
Period15/08/1116/08/11

Keywords

  • Krein space linear estimation
  • Linear system
  • multiple uncertainty
  • sum quadratic constraint

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