Results 31 to 40 of about 16,837,259 (303)

Robust gain-scheduled H [infinity] control for unmanned aerial vehicles

open access: yes, 2010
This thesis considers the problem of the design of robust gain-scheduled ight controllers for conventional xed-wing unmanned aerial vehicles (UAVs).
Chumalee, Sunan
core   +7 more sources

The Dynamics of US Gasoline Demand and Its Prediction: An Extended Dynamic Model Averaging Approach

open access: yesEnergies, 2023
This study contributes to the body of literature on modeling and predicting gasoline demand by using nonlinear econometric techniques. For this purpose, dynamic model averaging (DMA) and Bayesian model averaging (BMA) combined with Artificial Bee Colony (
Sakar Hasan Hamza, Qingna Li
doaj   +1 more source

Nonlinear Transient Mathematical Model of Large-Capacity Synchronous Condenser Based on Time-Varying Reactance Parameters

open access: yesIEEE Access, 2023
Large-capacity synchronous condenser (SC) is an essential dynamic reactive power compensation device in an Ultra-high voltage direct current (UHVDC) transmission system.
Xiao Han   +3 more
doaj   +1 more source

Study on the Influence of Floating Sun Gear on the Dynamic Characteristic of Planetary Gear Transmission System

open access: yesJixie chuandong, 2021
Planetary gearboxes are widely used in mechanical transmission systems due to their large transmission ratio and high transmission efficiency. In a planetary gearbox, the sun gear is usually set to float to balance the sharing of loads among planet gears.
Zhanli Yang   +5 more
doaj  

Analysis of adaptive synchrosqueezing transform with a time-varying parameter [PDF]

open access: yesAdvances in Computational Mathematics, 2020
The synchrosqueezing transform (SST) was developed recently to separate the components of non-stationary multicomponent signals. The continuous wavelet transform-based SST (WSST) reassigns the scale variable of the continuous wavelet transform of a signal to the frequency variable and sharpens the time-frequency representation.
Jian Lu 0002   +2 more
openaire   +3 more sources

Pediatric Idiopathic Multicentric Castleman Disease Is Often Severe But Responsive to Siltuximab

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Idiopathic multicentric Castleman disease (iMCD) is a potentially fatal immunologic disorder marked by widespread lymphadenopathy and inflammation. Siltuximab, an interleukin‐6 (IL‐6) inhibitor, is the only FDA‐approved treatment for adult patients with iMCD.
Bridget Austin   +17 more
wiley   +1 more source

Therapeutic Apheresis in Nigeria: A Multi‐Center Summary of Abstracts From the Inaugural Nigerian Society for Apheresis Scientific Meeting

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Therapeutic apheresis (TA) is an established treatment modality for hematologic, neurologic, and immunologic disorders, yet access remains severely limited in sub‐Saharan Africa. Donor apheresis, including platelet apheresis collection from healthy donors, represents an important complementary modality supporting blood product ...
Nosa Bazuaye   +33 more
wiley   +1 more source

Stability Analysis of a Linear Parameter Varying Adaptive Output Feedback Control System [PDF]

open access: yes, 2021
Output feedback control systems often require an adaptive filter for properly shaping the loop transfer function, as certain system plant parameters may be uncertain or varying.
Ruderman, Michael, Tranninger, Markus
core   +1 more source

Sequential Parameter Estimation of Time-Varying Non-Gaussian Autoregressive Processes

open access: yesEURASIP Journal on Advances in Signal Processing, 2002
Parameter estimation of time-varying non-Gaussian autoregressive processes can be a highly nonlinear problem. The problem gets even more difficult if the functional form of the time variation of the process parameters is unknown.
Kotecha Jayesh H   +3 more
doaj   +1 more source

Adaptive Estimation of Time-Varying Parameters Using DREM

open access: yes2023 62nd IEEE Conference on Decision and Control (CDC), 2023
In this paper we present a method for estimating time-varying parameters in a linear regression equation. We combine local polynomial regression with dynamic regressor extension and mixing to independently estimate the parameters. During local polynomial regression, a time-varying parameter is approximated by locally constant polynomial coefficients ...
Emil Lykke Diget, Christoffer Sloth
openaire   +2 more sources

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