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Application of a Li...
Application of a Linear PEM Estimator to a Stochastic Wiener-Hammerstein Benchmark Problem⁎
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- Abdalmoaty, Mohamed R., 1986- (author)
- KTH,Reglerteknik,KTH, Reglerteknik,System identification
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- Hjalmarsson, Håkan, 1962- (author)
- KTH,Reglerteknik,KTH, Reglerteknik
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(creator_code:org_t)
- Elsevier B.V. 2018
- 2018
- English.
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In: IFAC-PapersOnLine. - : Elsevier B.V.. - 2405-8963. ; 51:15, s. 784-789
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Abstract
Subject headings
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- The estimation problem of stochastic Wiener-Hammerstein models is recognized to be challenging, mainly due to the analytical intractability of the likelihood function. In this contribution, we apply a computationally attractive prediction error method estimator to a real-data stochastic Wiener-Hammerstein benchmark problem. The estimator is defined using a deterministic predictor that is nonlinear in the input. The prediction error method results in tractable expressions, and Monte Carlo approximations are not necessary. This allows us to tackle several issues considered challenging from the perspective of the current mainstream approach. Under mild conditions, the estimator can be shown to be consistent and asymptotically normal. The results of the method applied to the benchmark data are presented and discussed.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Reglerteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Control Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
Keyword
- Benchmark problem
- Nonlinear systems
- Stochastic systems
- System identification
- Wiener-Hammerstein
- Error analysis
- Identification (control systems)
- Monte Carlo methods
- Stochastic models
- Bench-mark problems
- Benchmark data
- Estimation problem
- Likelihood functions
- Monte-carlo approximations
- Prediction error method
- Wiener-hammerstein models
- Benchmarking
- Electrical Engineering
Publication and Content Type
- ref (subject category)
- art (subject category)
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