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Some asymptotic res...
Some asymptotic results in recursive identification using Laguerre models
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- Gunnarsson, Svante (författare)
- Linköpings universitet,Reglerteknik,Tekniska högskolan
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- Wahlberg, Bo, 1959- (författare)
- Linköpings universitet,KTH,Signaler, sensorer och system,Reglerteknik,Tekniska högskolan
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(creator_code:org_t)
- Wiley, 1991
- 1991
- Engelska.
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Ingår i: International Journal of Adaptive Control and Signal Processing. - : Wiley. - 0890-6327 .- 1099-1115. ; 5:5, s. 313-333
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- This paper deals with recursive identification of time-varying systems using Laguerre models. Laguerre models generalize finite impulse response (FIR) models by using a priori information about the dominating time constants of the system to be identified. Three recursive algorithms are considered: the stochastic gradient algorithm, the recursive least squares algorithm and a Kalman-filter-like recursive identification algorithm. Simple and explicit expressions for the model quality are derived under the assumptions that the system varies slowly, that the model is updated slowly and that the model order is high. The derived expressions show how the use of Laguerre models affects the model quality with respect to tracking capability and disturbance rejection.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Reglerteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Control Engineering (hsv//eng)
Nyckelord
- Computer Programming--Algorithms
- Mathematical Techniques
- Signal Filtering and Prediction--Kalman Filtering
- Systems Science and Cybernetics--Identification
- FIR models
- Laguerre models
- Least square algorithms
- Recursive identification
- Control Systems
- Time Varying
- Automatic control
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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