Results 11 to 20 of about 26,001 (153)

Reinforcement Learning for Systematic FX Trading

open access: yesIEEE Access, 2022
We explore online inductive transfer learning, with a feature representation transfer from a radial basis function network formed of Gaussian mixture model hidden processing units to a direct, recurrent reinforcement learning agent.
Gabriel Borrageiro   +2 more
doaj   +1 more source

Advanced Proportional-Integral-Derivative Control Compensation Based on a Grey Estimated Model in Dynamic Balance of Single-Wheeled Robot

open access: yesAxioms, 2021
This paper aims to design a one-wheeled robot as regards its pitch freedom and balance control on the one hand and to assess the application feasibility of the GM (1,1) swing estimation controller on the other.
Mao-Lin Chen   +4 more
doaj   +1 more source

Backward transfer influences from quadratic functions instruction on students’ prior ways of covariational reasoning about linear functions [PDF]

open access: yesThe Journal of Mathematical Behavior, 2021
Abstract The study reported in this article examined the ways in which new mathematics learning influences students’ prior ways of reasoning. We conceptualize this kind of influence as a form of transfer of learning called backward transfer. The focus of our study was on students’ covariational reasoning about linear functions before and after they ...
Charles Hohensee   +3 more
openaire   +1 more source

Robust Energy-Efficient Hybrid Beamforming Design for Massive MIMO LEO Satellite Communication Systems

open access: yesIEEE Access, 2022
In low earth orbit (LEO) satellite communication systems, the limited energy supply capacity and the difficulty in obtaining channel state information (CSI) are the practical challenges.
Yang Liu   +3 more
doaj   +1 more source

Modeling of dynamic characteristics for hydraulic drive under nonstationary load [PDF]

open access: yesE3S Web of Conferences
The methodology for estimating the transient response and frequency characteristics for volumetric hydraulic drive under nonstationary load is proposed.
Sokolov Vladimir, Krol Oleg
doaj   +1 more source

Lateral Response of 2 x 2 Pile Group Embedded in Cohesive Soil Near Slope

open access: yesU.Porto Journal of Engineering, 2023
This work studies the response of a 2 x 2 pile group near a slope subjected to lateral load. Three-dimensional, non-linear finite element analysis is carried out. The entire code is developed in FORTRAN 90.
Avinash Navale   +2 more
doaj   +1 more source

Powering Analysis of Oscillating Foil Moving in Propagating Wave Flow Field [PDF]

open access: yes한국해양공학회지, 2019
In this study, a two-dimensional oscillating foil with forward speed in a propagating wave flow field was considered. The time-mean power to maintain the heaving and pitching motions of the foil was analyzed using the perturbation theory in an ideal ...
Yoon-Rak Choi
doaj   +1 more source

Convective-radiative fin with temperature dependent thermal conductivity, heat transfer coefficient and wavelength dependent surface emissivity

open access: yesPropulsion and Power Research, 2014
In this paper, we have studied heat transfer process in a continuously moving fin whose thermal conductivity, heat transfer coefficient varies with temperature and surface emissivity varies with temperature and wavelength.
Surjan Singh, Dinesh Kumar, K.N. Rai
doaj   +1 more source

Effect of dipole-quadrupole Robinson mode coupling upon the beam response to radio-frequency phase noise

open access: yesPhysical Review Special Topics. Accelerators and Beams, 2006
In an electron storage ring, coupling between dipole and quadrupole Robinson oscillations modifies the spectrum of longitudinal beam oscillations driven by radio-frequency (rf) generator phase noise. In addition to the main peak at the resonant frequency
R. A. Bosch, K. J. Kleman
doaj   +1 more source

Robust MFC anti-windup scheme for LTI systems with norm-bounded uncertainty

open access: yesScientific Reports, 2021
On the basic of the fact that all signals in the practical system are always bounded, this paper proposes a 4-degree-of-freedom (DoF) anti-windup scheme for saturated systems with parametric uncertainty. A fairly straightforward tuning rule is introduced
Xiao-Qin Mo   +3 more
doaj   +1 more source

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