Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Decuyper, Jan"'
Multivariate functions emerge naturally in a wide variety of data-driven models. Popular choices are expressions in the form of basis expansions or neural networks. While highly effective, the resulting functions tend to be hard to interpret, in part
Externí odkaz:
http://arxiv.org/abs/2205.11153
Black-box model structures are dominated by large multivariate functions. Usually a generic basis function expansion is used, e.g. a polynomial basis, and the parameters of the function are tuned given the data. This is a pragmatic and often necessar
Externí odkaz:
http://arxiv.org/abs/2105.08518
This is a demonstration of the PNLSS Toolbox 1.0. The toolbox is designed to identify polynomial nonlinear state-space models from data. Nonlinear state-space models can describe a wide range of nonlinear systems. An illustration is provided on exper
Externí odkaz:
http://arxiv.org/abs/2105.08534
Nonlinear Auto-Regressive eXogenous input (NARX) models are a popular class of nonlinear dynamical models. Often a polynomial basis expansion is used to describe the internal multivariate nonlinear mapping (P-NARX). Resorting to fixed basis functions
Externí odkaz:
http://arxiv.org/abs/2105.08530
A nonlinear model relating the imposed motion of a circular cylinder, submerged in a fluid flow, to the transverse force coefficient is presented. The nonlinear fluid system, featuring vortex shedding patterns, limit cycle oscillations and synchronis
Externí odkaz:
http://arxiv.org/abs/2006.05932
Nonlinear state-space modelling is a very powerful black-box modelling approach. However powerful, the resulting models tend to be complex, described by a large number of parameters. In many cases interpretability is preferred over complexity, making
Externí odkaz:
http://arxiv.org/abs/2001.02861
The flow-induced vibration of bluff bodies is an important problem of many marine, civil, or mechanical engineers. In the design phase of such structures, it is vital to obtain good predictions of the fluid forces acting on the structure. Current met
Externí odkaz:
http://arxiv.org/abs/1804.08383
Publikováno v:
In IFAC PapersOnLine 2022 55(12):747-752
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Publikováno v:
In IFAC PapersOnLine 2021 54(20):32-37