Record link: 
http://hdl.handle.net/20.500.12708/27349
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Title: 
On the Potential of Constraints in Nonlinear System Identification
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Citation: 
Hametner, C., & Jakubek, S. (2011). On the Potential of Constraints in Nonlinear System Identification. In H. Irschik, M. Krommer, & A. K. Belyaev (Eds.), Advanced Dynamics and Model-Based Control of Structures and Machines (pp. 93–100). Springer-Verlag. https://doi.org/10.1007/978-3-7091-0797-3_11
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Publisher DOI: 
10.1007/978-3-7091-0797-3_11
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Publication Type: 
Book Contribution - Edited Volume Contribution
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Authors: 
Hametner, Christoph 
Jakubek, Stefan 
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Organisational Unit: 
E325-04 - Forschungsbereich Regelungstechnik und Prozessautomatisierung 
E325-04-2 - Forschungsgruppe Regelungsmethoden-Antriebssysteme 
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Published in: 
Advanced Dynamics and Model-Based Control of Structures and Machines 
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ISBN: 
978-3-7091-0797-3
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DOI of the book: 
10.1007/978-3-7091-0797-3
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Date (published): 
2011
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Number of Pages: 
8
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Publisher: 
Springer-Verlag, Vienna, Austria
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Abstract: 
Local model networks (LMNs) offer a versatile structure for the identification of nonlinear static and dynamic systems. In this contribution the integration of prior knowledge in LMNs using equality constraints is presented. For that purpose, an equality constrained Generalised Total Least Squares (GTLS) algorithm for the local model parameter estimation of the LMN is presented. On the one hand GTLS parameter estimation helps to avoid bias in the estimates when some or all observations are subject to noise and on the other hand equality constraints allow to mathematically enforce desired system properties.
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Research Areas: 
Modelling and Simulation: 30%
Mathematical and Algorithmic Foundations: 70%
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Science Branch: 
Maschinenbau, Instrumentenbau
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Appears in Collections:
Book Contribution

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