다중출력 관측불가능 비선형 시스템의 적응관측기 설계기법Adaptive Observer Design for Multi-Output Unobservable Nonlinear Systems
- Other Titles
- Adaptive Observer Design for Multi-Output Unobservable Nonlinear Systems
- Authors
- 조남훈
- Issue Date
- Apr-2005
- Publisher
- 제어·로봇·시스템학회
- Keywords
- nonlinear system; observability indices; generalized nonlinear observer canonical form; strictly positive real(SPR); nonlinear system; observability indices; generalized nonlinear observer canonical form; strictly positive real(SPR)
- Citation
- 제어.로봇.시스템학회 논문지, v.11, no.4, pp.271 - 278
- Journal Title
- 제어.로봇.시스템학회 논문지
- Volume
- 11
- Number
- 4
- Start Page
- 271
- End Page
- 278
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/19735
- ISSN
- 1976-5622
- Abstract
- In this paper, we present an adaptive observer for multi-output nonlinear systems that include unknown constant parameters and are not necessarily observable. Based on generalized nonlinear observer canonical form, new adaptive observer canonical form is proposed. Sufficient conditions are given for a nonlinear system to be transformed into the proposed adaptive observer canonical form. The existence of the proposed adaptive observer is given in terms of Lyapunov-like condition and SPR condition. An illustrative example is presented to show the design procedure of the proposed method.
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