14th IFAC Symposium on System Identification, SYSID 2006

SYSID-2006 Paper Abstract


Paper FrA1.6

Lovera, Marco (Politecnico di Milano), Piroddi, Luigi (Politecnico di Milano), Spinelli, William (Politecnico di Milano)

On Sampling and Prefiltering in Nonlinear System Identification

Scheduled for presentation during the Regular Session "Identification and Filtering of Nonlinear Systems" (FrA1), Friday, March 31, 2006, 12:10−12:30, Concert Hall

14th IFAC Symposium on System Identification, March 29 - 31, 2006, Newcastle, Australia

This information is tentative and subject to change. Compiled on July 17, 2018

Keywords Nonlinear System Identification


A number of design variables is available in system identification to increase model accuracy in specified frequency bands: among others, one can resort to prefiltering or choose the sampling interval in a suitable way. In this paper a framework for the extension of the analysis of the role of sampling and prefiltering from linear to nonlinear system identification is proposed. In particular, a frequency domain interpretation is provided, based on the use of Volterra series representations for the true system and the considered model structure. Simulation results illustrate the conclusions of the analysis.