Results 51 to 60 of about 16,837,259 (303)

Parameter Observer Useable for the Condition Monitoring of a Capacitor

open access: yesApplied Sciences, 2022
Monitoring the condition of electrolytic capacitors in practical applications is a topic that has been and remains the subject of much research. This article is part of research in this area. It develops a parameter observer (PO) and proposes its use for
Corneliu Bărbulescu   +2 more
doaj   +1 more source

Forecasting the Dialysis Burden in Japan: Validation‐Based Projections of Prevalence and Incidence Through 2050

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Japan has one of the highest dialysis prevalence rates worldwide and a shrinking, aging population. Whether dialysis burden has entered a sustained post‐peak phase or whether recent declines partly reflect pandemic‐related disruptions remains uncertain.
Hatice Şahin   +2 more
wiley   +1 more source

Calpain small subunit homodimerization is robust and calcium‐independent

open access: yesFEBS Letters, EarlyView.
Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy   +4 more
wiley   +1 more source

Optimal Control for an Epidemic Model of COVID-19 with Time-Varying Parameters

open access: yesMathematics
The coronavirus disease 2019 (COVID-19) pandemic disrupted public health and economies worldwide. In this paper, we investigate an optimal control problem to simultaneously minimize the epidemic size and control costs associated with intervention ...
Yiheng Li
doaj   +1 more source

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

A Novel High-Efficiency Variable Parameter Double Integration ZNN Model for Time-Varying Sylvester Equations

open access: yesMathematics
In this paper, a High-Efficiency Variable Parameter Double Integration Zeroing Neural Network (HEVPDIZNN) model combining variable parameter function and double integration is proposed to solve the time-varying Sylvester matrix equations, using the ...
Zhe Peng, Yun Huang, Hongzhi Xu
doaj   +1 more source

Darboux Transformation for the 3-Dimension Nonlinear Schrodinger Equation

open access: yesIEEE Photonics Journal, 2018
The transient nonlinear Schrodinger equation (NLSE) is solved with the Darboux transformation. Based on this solution, the longitude and transverse field evolution is presented; the time-varying coefficients (dispersion and nonlinear parameters) of NLSE ...
Mingxiang Gui, Jing Huang
doaj   +1 more source

Linear Parameter Varying Versus Linear Time Invariant Reduced Order Controller Design of Turboprop Aircraft Dynamics [PDF]

open access: yesITB Journal of Engineering Science, 2012
The applicability of parameter varying reduced order controllers to aircraft model is proposed. The generalization of the balanced singular perturbation method of linear time invariant (LTI) system is used to reduce the order of linear parameter varying (
Widowati, Bambang Riyanto, Hari Muhammad
doaj   +1 more source

The Time-Varying Effect of Interest Rates on Housing Prices

open access: yesLand, 2022
This study analyzes the time-varying effect of interest rates on housing prices. As housing prices are too high for most consumers to afford with income alone, they use bank loans. Consequently, when interest rates fall, the demand for housing increases,
Cheonjae Lee, Jinbaek Park
doaj   +1 more source

Robust identification and control with time-varying parameter perturbations [PDF]

open access: yesProceedings of the 2003 American Control Conference, 2003., 2004
This paper is dedicated to the identification of parameters for a reasonably large class of nonlinear systems. We propose to design a direct parameter identification method in open loop and an indirect one in closed loop using the variable structure theory. The exponential convergence of parameter identifiers in both cases is studied.
Tarek Ahmed-Ali   +2 more
openaire   +2 more sources

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