Results 1 to 10 of about 69,913 (309)

Nonlinear PID controllers improved based on the quad rotor aircraft

Systems and Soft Computing
Although linear controllers designed for the quad rotor aircraft have the obvious advantage of design information and availability of tools for control design relating to robot applications.
Hongcheng Zhou
doaj   +1 more source

Nonlinear Atmospheric Adjustment to Thermal Forcing

Journal of the Atmospheric Sciences, 2005
Abstract A nonlinear, numerical model of a compressible atmosphere is used to simulate the hydrostatic and geostrophic adjustment to a localized prescribed heating applied over five minutes with a size characteristic of an isolated, deep, cumulus cloud.
Peter R. Bannon, Paul F. Fanelli
openaire   +1 more source

Linear combination of forecasts with numerical adjustment via MINIMAX non-linear programming

GEPROS: Gestão da Produção, Operações e Sistemas, 2016
This paper proposes a linear combination of forecasts obtained from three forecasting methods (namely, ARIMA, Exponential Smoothing and Artificial Neural Networks) whose adaptive weights are determined via a multi-objective non-linear programming ...
Jairo Marlon Corrêa, Anselmo Chaves Neto, Luiz Albino Teixeira Júnior, Edgar Manuel Carreño, Álvaro Eduardo Faria   +4 more
doaj   +1 more source

Compensation Method for Polarization Mixing in the Homodyne Interferometer

Applied Sciences, 2020
A homodyne interferometer is one of the most important tools in nanometre measurements. However, its nonlinear error seriously affects measurement accuracy at the sub-nanometre level.
Chaoqun Wang, Qiangxian Huang, Xuemeng Ding, Rongjun Cheng, Liansheng Zhang, Ruijun Li, Hongli Li   +6 more
doaj   +1 more source

Network Energy-Saving Adjustment Routing Under Changing Demands: Models and Algorithms

IEEE Access, 2020
Routing is key to ensuring the normal operation of a network. The rapid development of networks and the continuous expansion in scale have placed high demands on network energy-saving routing.
Mengjia Zhang, Wenguo Yang, Suixiang Gao, Wei Xu   +3 more
doaj   +1 more source

AN ADAPTIVE DIFFERENTIAL EVOLUTION ALGORITHM WITH A BOUND ADJUSTMENT STRATEGY FOR SOLVING NONLINEAR PARAMETER IDENTIFICATION PROBLEMS

Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska
Real-world parameter identification problems require determining the bounds that cover the unknown solutions. This paper presents an adaptive differential evolution algorithm with a bound adjustment strategy (ADEBAS) for solving nonlinear parameter ...
Watchara Wongsa, Pikul Puphasuk, Jeerayut Wetweerapong   +2 more
doaj   +1 more source

Nonlinear Atmospheric Adjustment to Momentum Forcing

Journal of the Atmospheric Sciences, 2008
Abstract A nonlinear, numerical model of a dry, compressible atmosphere is used to simulate the hydrostatic and geostrophic adjustment to a localized prescribed injection of momentum applied over 5 min. with a size characteristic of an isolated, deep, cumulus cloud.
Peter R. Bannon, Adam R. Edson
openaire   +1 more source

Estimating Single Layer Bi-Channel Neural Networks Architecture for Speed Control of Variable Reluctance Motors

Energies
This study explores the speed adjustment characteristics of the adaptive control of estimated single-layer Bi-channel neural networks (NNs) for Variable Reluctance Motor (VRM) drives.
Hamad Alharkan
doaj   +1 more source

Traditional and alternative nonlinear models for estimating the growth of Morada Nova sheep

Revista Brasileira de Zootecnia, 2013
In the present study, alternative and traditional nonlinear models to describe growth curves of Morada Nova sheep reared in the state of Bahia, Brazil, were applied. The nonlinear models were: Schnute, Mitscherlich, Gompertz, Logistic, Meloun I Meloun II,
Laaina de Andrade Souza, Paulo Luiz Souza Carneiro, Carlos Henrique Mendes Malhado, Fabyano Fonseca e Silva, Fernanda Gomes da Silveira   +4 more
doaj   +1 more source

A Commentary on US Sovereign Debt Persistence and Nonlinear Fiscal Adjustment

Mathematics
The purpose of this paper is to show how the self-exciting threshold autoregressive (SETAR) model might be a suitable econometric framework for characterizing the dynamics of the US public debt/GDP ratio after the Bretton Woods collapse.
Vladimir Andric, Dusko Bodroza, Mihajlo Djukic   +2 more
doaj   +1 more source