3 papers
eess.SY2026
NL-FRA: A MATLAB package for nonlinear frequency response analysis
Rajintha Gunawardena, Zi-Qiang Lang, Fei He
Nonlinear Output Frequency Response Functions (NOFRFs) provide a one-dimensional frequency-domain representation of nonlinear dynamics, enabling direct decomposition of an output s…
cs.LG2021
Orthogonal Least Squares Based Fast Feature Selection for Linear Classification
Sikai Zhang, Zi-Qiang Lang
An Orthogonal Least Squares (OLS) based feature selection method is proposed for both binomial and multinomial classification. The novel Squared Orthogonal Correlation Coefficient…
cs.RO2011
Modeling and frequency domain analysis of nonlinear compliant joints for a passive dynamic swimmer
Juan Pablo Carbajal, Rafael Bayma, Marc Ziegler +1
In this paper we present the study of the mathematical model of a real life joint used in an underwater robotic fish. Fluid-structure interaction is utterly simplified and the moti…