Title :
Ocean surface wave nonlinear system identification using volterra and Wiener space-time models
Abstract :
Some results for system identification in nonlinear control are applied to the space-time modeling of nonlinear ocean surface waves. The classical method is used to estimate the Volterra Series Expansion (VSE) and the Weiner Series Expansion (WSE) parameters in the space-time domain. Use of the adaptive filtering method is also considered. In using the adaptive filtering method, parameter estimates for the WSE have been demonstrated to converge significantly more rapidly than they do for the VSE.
Keywords :
Volterra series; computational fluid dynamics; geophysical fluid dynamics; geophysics computing; nonlinear systems; ocean waves; oceanographic techniques; space-time configurations; Volterra series expansion; Volterra space-time models; Weiner series expansion; Wiener space-time models; adaptive filtering method; nonlinear control; nonlinear ocean surface waves; ocean surface wave nonlinear system identification; parameter estimates; space-time modeling; Adaptive filters; Discrete Fourier transforms; Kernel; Polynomials; Sea surface; Surface treatment; System identification;
Conference_Titel :
Oceans, 2012
Conference_Location :
Hampton Roads, VA
Print_ISBN :
978-1-4673-0829-8
DOI :
10.1109/OCEANS.2012.6404845
