Results 41 to 50 of about 1,023,458 (144)

Qubit Neural Tree Network With Applications in Nonlinear System Modeling

open access: yesIEEE Access, 2018
This paper proposed a newly quantum-inspired Qubit neural tree network with improved Qubit neuron, cross-layer connections and distinct phase operation functions for each neurons. A hybrid evolutionary algorithm that combines the modified gene expression
Feng Qi, Chao Chen
doaj   +1 more source

An Advanced PID Based Control Technique With Adaptive Parameter Scheduling for A Nonlinear CSTR Plant

open access: yesIEEE Access, 2019
The continuous stirred tank reactor (CSTR) tends to reveal unstable severe nonlinear behavior when the operating level changes. As investigated in an earlier work, the hard nonlinearity nature of the CSTR originates from multiple probable sets of states ...
Obaid Alshammari   +2 more
doaj   +1 more source

Noise Analysis and Modulation Optimization for Nonlinear Visible Light Communication System With Signal-Dependent Noise

open access: yesIEEE Photonics Journal, 2023
This article investigates the characteristics of the signal-dependent noise (SDN) and corresponding modulation design in nonlinear visible light communication (VLC) systems.
Jiaqi Wei   +3 more
doaj   +1 more source

Some new results on iterative learning control of noninteger order [PDF]

open access: yesScientific Technical Review, 2014
Iterative learning control (ILC) is one of the recent topics in control theories and it is a powerful control concept that iteratively improves the behavior of processes repetitive in their nature.
Lazarević Mihailo
doaj  

Integral sliding mode control for non-linear systems with mismatched uncertainty based on quadratic sliding mode

open access: yesThe Journal of Engineering, 2015
In this study, uncertainty and disturbance compensations are addressed for non-linear systems by an integral sliding mode (ISM) design. It is divided into two steps for implementation of the ISM control.
Xiaoyu Zhang
doaj   +1 more source

Total-Amount Synchronous Control Based on Terminal Sliding-Mode Control

open access: yesIEEE Access, 2017
This paper presents a total-amount synchronous control (TASC) strategy for nonlinear systems with uncertainty based on finite-time control theory. In combination with a new type of terminal sliding-mode control strategy, finite-time convergence of TASC ...
Changfan Zhang   +3 more
doaj   +1 more source

Nonlinear stochastic dynamics of an array of coupled micromechanical oscillators

open access: yesInternational Journal of Mechanical System Dynamics, 2023
The stochastic response of a multi‐degree‐of‐freedom nonlinear dynamical system is determined based on the recently developed Wiener path integral (WPI) technique.
Maria I. Katsidoniotaki   +2 more
doaj   +1 more source

Demonstration of Fully Nonlinear Spectrum Modulated System in the Highly Nonlinear Optical Transmission Regime [PDF]

open access: yesarXiv, 2016
We report a 3 dB increase in the nonlinear threshold of a 64*0.5Gbaud 16-QAM continuous-nonlinear-spectrum modulated signal by nonlinear multiplexing with QPSK modulated multi-solitons, showing the first ever fully nonlinear-spectrum modulated system in the highly nonlinear regime.
arxiv  

The theory of homogeneity of nonlinear structural systems -- A general basis for structural safety assessment [PDF]

open access: yesarXiv, 2022
The paper develops a novel and general methodology to characterize the nonlinearity of structural systems and to provide a mathematically proven basis for applying partial safety factors to nonlinear structural systems. It establishes, for the first time since the development of limit-state theory, the necessary key relationship between the partial ...
arxiv  

Nonlinear Schroedinger Dynamics and Nonlinear Observables [PDF]

open access: yesarXiv, 1995
It is is explained why physical consistency requires substituting linear observables by nonlinear ones for quantum systems with nonlinear time evolution of pure states. The exact meaning and the concrete physical interpretation are described in full detail for a special case of the nonlinear Doebner-Goldin equation.
arxiv  

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