Results 31 to 40 of about 2,690,569 (319)

Synergetic synthesis of optimal control laws for nonlinear dynamic objects

open access: yesAdaptivni Sistemi Avtomatičnogo Upravlinnâ, 2023
The nonlinearity of a fairly large class of real technical objects is a significant obstacle in the development of control systems for them. In particular, the synthesis of optimal control laws for nonlinear dynamic objects is a very complex task, which
A. Stenin   +4 more
doaj   +1 more source

Estimation of Power System Inertia Using Nonlinear Koopman Modes

open access: yes, 2018
We report a new approach to estimating power system inertia directly from time-series data on power system dynamics. The approach is based on the so-called Koopman Mode Decomposition (KMD) of such dynamic data, which is a nonlinear generalization of ...
Hamasaki, Ryo   +2 more
core   +1 more source

The Organization that we make. The Universidad Centroccidental Lisandro Alvarado, sixty years of continuous action

open access: yesÁgora de Heterodoxias, 2022
We are building our reality with our actions. At the Universidad Centroccidental Lisandro Alvarado, have we understood that adverse contexts constitute not only threats, but also opportunities to deploy our creative capacities as a learning organization?
Beatriz Carolina Carvajal   +1 more
doaj   +1 more source

Classical solutions to quasilinear parabolic problems with dynamic boundary conditions

open access: yes, 2015
We study linear nonautonomous parabolic systems with dynamic boundary conditions. Next, we apply these results to show a theorem of local existence and uniqueness of a classical solution to a second order quasilinear system with nonlinear dynamic ...
Guidetti, Davide
core   +1 more source

Phase portraits and optical soliton solutions of coupled nonlinear Maccari systems describing the motion of solitary waves in fluid flow

open access: yesResults in Physics, 2022
The coupled nonlinear Maccari systems are very important equations which have been developed vigorously in the fields of the nonlinear optics, deep water theory, plasma physics, nonlinear optics and so on.
Zhao Li, Xinyu Xie, Changjiang Jin
doaj   +1 more source

Global Stabilization of Triangular Systems with Time-Delayed Dynamic Input Perturbations

open access: yes, 2018
A control design approach is developed for a general class of uncertain strict-feedback-like nonlinear systems with dynamic uncertain input nonlinearities with time delays. The system structure considered in this paper includes a nominal uncertain strict-
Khorrami, Farshad   +1 more
core   +1 more source

Nonlinear Vibration Control of a High-Dimensional Nonlinear Dynamic System of an Axially-Deploying Elevator Cable

open access: yesMathematics
For the first time, a numerical study is presented to demonstrate the importance of high-dimensional nonlinear dynamic systems of axially-deploying elevator cables in the nonlinear vibration and control of such time-varying-length structures, especially ...
Lin Sun, Feilong Hou, Xiaopei Liu
doaj   +1 more source

Fuzzy Adaptive Asymptotic Control for a Class of Large-Scale High-Order Unknown Nonlinear Systems

open access: yesApplied Sciences, 2023
This paper studies the asymptotic control problem of a class of large-scale high-order nonlinear systems (LSHONSs), and an asymptotic fuzzy adaptive dynamic surface controller is developed.
Peilun Ju, Yongfeng Ju, Jiacheng Song
doaj   +1 more source

The newfound relationship between extrachromosomal DNAs and excised signal circles

open access: yesFEBS Letters, EarlyView.
Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley   +1 more source

Impact Response Prediction Method of Packaging Systems with a Key Component considering Different Excitations and Cushioning Materials

open access: yesShock and Vibration, 2022
Nonlinear dynamic models of the packaging systems that consider different excitations and cushioning materials are proposed to analyze their impact responses in this paper.
Heye Xiao   +5 more
doaj   +1 more source

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