Results 11 to 20 of about 18,411,452 (302)

Damping System Designs using Nonlinear Frequency Analysis Approach [PDF]

open access: yes, 2012
The main purpose of this thesis focuses on the investigation of the frequency domain analysis and design approaches for nonlinear damping systems. With the development of modern mechanical and civil engineering structures, the vibration control has ...
Guo, Pengfei
core   +6 more sources

Dynamics of Nonlinear Systems [PDF]

open access: yesThe Scientific World Journal, 2014
In the last few decades, theory of dynamical systems has become a rapidly growing area of mathematics and attracted many researchers. This theory is an important and well-established branch of the modern mathematics. The reason lies in the fact that the study of dynamical systems not only has an important theoretical interest, but also is motivated by ...
Maoan Han   +3 more
openaire   +3 more sources

Model Identification and Robust Nonlinear Model Predictive Control of a Twin Rotor MIMO System [PDF]

open access: yes, 2009
PhDThis thesis presents an investigation into a number of model predictive control (MPC) paradigms for a nonlinear aerodynamics test rig, a twin rotor multi-input multi-output system (TRMS).
Rahideh, Akbar
core   +4 more sources

Identification of Nonlinear Systems Using Radial Basis Function Neural Network [PDF]

open access: yes, 2014
This paper uses the radial basis function neural network (RBFNN) for system identification of nonlinear systems. Five nonlinear systems are used to examine the activity of RBFNN in system modeling of nonlinear systems; the five nonlinear systems are ...
Pislaru, Crinela   +3 more
core   +4 more sources

A Granular System of Ellipses under Linear Shear

open access: yesEPJ Web of Conferences, 2017
Shear of granular systems of disks (in 2D) and spheres (3D) has been studied extensively. However, less is known about systems of non-spherical particles, i.e., ellipses and polygons, etc.
Wang Dong, Zheng Hu, Behringer Robert P.
doaj   +1 more source

Nonlinear system-identification of the filling phase of a wet-clutch system [PDF]

open access: yes, 2011
The work presented illustrates how the choice of input perturbation signal and experimental design improves the derived model of a nonlinear system, in particular the dynamics of a wet-clutch system.
Widanage, Widanalage Dhammika   +9 more
core   +1 more source

A posteriori error estimates of spectral method for nonlinear parabolic optimal control problem

open access: yesJournal of Inequalities and Applications, 2018
In this paper, we investigate the spectral approximation of optimal control problem governed by nonlinear parabolic equations. A spectral approximation scheme for the nonlinear parabolic optimal control problem is presented. We construct a fully discrete
Lin Li   +4 more
doaj   +1 more source

Modeling nonlinear systems using multiple piecewise linear equations [PDF]

open access: yes, 2010
This paper describes a technique for modeling nonlinear systems using multiple piecewise linear equations. The technique provides a means for linearizing the nonlinear system in such a way as to not limit the large signal behavior of the  ...
Lowe, G. K. K., Zohdy, M. A. A.
core   +1 more source

Lump Solutions and Resonance Stripe Solitons to the (2+1)-Dimensional Sawada-Kotera Equation

open access: yesAdvances in Mathematical Physics, 2017
Based on the symbolic computation, a class of lump solutions to the (2+1)-dimensional Sawada-Kotera (2DSK) equation is obtained through making use of its Hirota bilinear form and one positive quadratic function.
Xian Li, Yao Wang, Meidan Chen, Biao Li
doaj   +1 more source

A nonlinear control system with a Hilfer derivative and its optimization [PDF]

open access: yes, 2019
In this work, we consider a fractional optimal control problem (FOCP) containing a nonlinear control system, described by a differential equation involving a Hilfer derivative, and an integral cost functional.
Kamocki, Rafał
core   +1 more source

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