Results 71 to 80 of about 257,540 (280)
Inferring mixed-culture growth from total biomass data in a wavelet approach
, 2007 It is shown that the presence of mixed-culture growth in batch fermentation processes can be very accurately inferred from total biomass data by means of the wavelet analysis for singularity detection.
Callister +15 more
core +1 more source
International Journal of Adaptive Control and Signal Processing, EarlyView.This paper proposes two projector‐based Hopfield neural network (HNN) estimators for online, constrained parameter estimation under time‐varying data, additive disturbances, and slowly drifting physical parameters. The first is a constraint‐aware HNN that enforces linear equalities and inequalities (via slack neurons) and continuously tracks the ...
Miguel Pedro Silva
wiley +1 more source
A New Approach to Detect Spurious Regressions using Wavelets [PDF]
In this paper, we propose the use of wavelet covariance and correlation to detect spurious regression. Based on Monte Carlo simulation results and experiments with real exchange rate data, it is shown that the wavelet approach is able to detect spurious ...
Chee Kian Leong, Weihong Huang
core
Current Tracking Adaptive Control of Brushless DC Motors
International Journal of Adaptive Control and Signal Processing, EarlyView.In this paper, the current tracking for Brushless Direct Current motors is approached considering uncertainty in the parameters of the motor's model. An adaptive control scheme to compensate electrical parameters uncertainty is proposed without requiring any knowledge of the mechanical parameters.
Fernanda Ramos‐García +3 more
wiley +1 more source
Advanced Engineering Materials, Volume 27, Issue 6, March 2025.ErB4 and NdB4 nanostructured powders are produced by mechanochemical synthesis. 5 h mechanical alloying and 4 M HCl acid leaching are used in the production. ErB4 and NdB4 powders exhibit maximum magnetization of 0.4726 emu g−1 accompanied with an antiferromagnetic‐to‐paramagnetic phase transition at about TN = 18 K and 0.132 emu g−1 with a maximum at ...
Burçak Boztemur +5 more
wiley +1 more source
Deteksi Gangguan pada Saluran Transmisi menggunakan Wavelet dan Discriminant Analysis
Jurnal Teknik ITS, 2013 Sistem transmisi merupakan bagian penghubung antara pusat pembangkit tenaga karena saluran listrik dengan sistem distribusi yang akan diteruskan ke pusat-pusat beban.
Febrianto Wahyu Utomo +2 more
doaj
Advanced Engineering Materials, EarlyView.The effect of temperature controllers that are commonly used in freeze‐casting is investigated in this work. Temperature controllers are observed to generate a voltage in the slurry. Microstructural alignment and ultimate compressive strength data show this voltage to interfere with the ability to align the microstructure using magnetic fields ...
Maddie A. Schmitz, Steven E. Naleway
wiley +1 more source
Using Wavelets to decompose time-frequency economic relations [PDF]
Economic agents simultaneously operate at different horizons. Many economic processes are the result of the actions of several agents with different term objectives.
Luís Francisco Aguiar-Conraria +2 more
core
Advanced Engineering Materials, EarlyView.This study investigates laser shock peening for enhancing fatigue performance of riveted aerospace aluminum joints. A comparative approach with cold expansion combines fatigue testing and synchrotron X‐ray methods. Integrating mechanical testing with residual stress and strain characterization provides insights into how different treatments affect the ...
Ogün Baris Tapar +6 more
wiley +1 more source
Trade balance and terms of trade in U.S.: a time-scale decomposition analysis [PDF]
The aim of this paper is to provide evidence on the nature of the relationship between the terms of trade and the trade balance for US on a scale-by-scale basis using wavelet analysis.
Luca De Benedictis, Marco Gallegati
core