Results 81 to 90 of about 9,817,569 (280)

Elastic–Plastic Modeling and Experimental Characterization of Granular Jamming Actuators

open access: yesAdvanced Engineering Materials, EarlyView.
Granular jamming enables rapid switching between soft and rigid mechanical states. Here, a reduced‐order elastic‐perfectly‐plastic beam framework captures pressure‐dependent loading, unloading, residual deformation, and hysteresis in jammed beams, while matching three‐point bending experiments across materials and geometries. The framework links design
Saheli Patel   +2 more
wiley   +1 more source

Supply Function Equilibria of Pay-as-Bid Auctions [PDF]

open access: yes
This paper characterizes the Nash equilibrium in a pay-as-bid (discriminatory), divisible-good, procurement auction. Demand by the auctioneer is uncertain as in the supply function equilibrium model. A closed form expression is derived.
Holmberg, Pär
core  

A New Lifetime Parametric Model for the Survival and Relief Times with Copulas and Properties

open access: yes, 2022
In this article, we introduce a new generalization of the Exponentiated Exponential distribution. Various structural mathematical properties are derived. Numerical analysis for mean, variance, skewness and kurtosis and the dispersion index are performed.
Butt, Nadeem Shafique   +7 more
core   +1 more source

Influence of Particle Shape and Size in Copper‐Based Low‐Temperature Metallization Paste for Solar Cells

open access: yesAdvanced Engineering Materials, EarlyView.
Particle morphology controls the balance between printability and electrical connectivity in low‐temperature AgCu/Ag metallization pastes. Flake‐shaped AgCu particles form extended low‐resistance contacts, whereas spherical particles favor processability at high metal loading. Fine Ag particles further tune void filling and conductive‐network formation
O. Mhirsi   +3 more
wiley   +1 more source

Uncertainty Distribution of Some Composite Uncertain Variables

open access: yes, 2017
In this paper, we named the composition by a real-valued measurable function and an uncertain variable as a composite uncertain variable. We focused on the uncertainty distribution for two kinds of composite uncertain variables. The conclusions show: (1)
Lei Huang   +3 more
core   +1 more source

Investigation of Resonance Characteristics of More Than 10 000 Metal‐Coated Silicon MEMS Cantilevers Using Machine Learning

open access: yesAdvanced Engineering Materials, EarlyView.
More than 10 000 metal‐coated silicon MEMS cantilevers are fabricated and characterized to build a large‐scale experimental dataset spanning multiple vibrational modes. Machine learning algorithms are benchmarked to predict resonance frequency and quality factor, with ensemble based models achieving accuracy approaching experimental uncertainty.
Sina Zare Pakzad   +8 more
wiley   +1 more source

Stability Analysis of Systems With Periodic Delay Using a Generalized Looped Functional

open access: yesIEEE Access
This paper examines the stability of linear time-varying delay systems, assuming that the delay varies periodically within a certain range. By dividing the delay function into monotonically increasing and decreasing intervals and introducing generalized ...
Guo-Long Fu   +2 more
doaj   +1 more source

Holographic thermalization in charged dilaton anti-de Sitter spacetime

open access: yesNuclear Physics B, 2015
We study holographic thermalization in spacetimes with a chemical potential and a non-trivial dilaton field. Three non-local observables are used to probe the whole process and investigate the effect of the ratio of the chemical potential over ...
Shao-Jun Zhang, E. Abdalla
doaj   +1 more source

h-Monotonically Computable Real Numbers

open access: yes, 2008
Let h: N → Q be a computable function. A real number x is called h-monotonically computable (h-mc, for short) if there is a computable sequence (xs) of rational numbers which converges to x h-monotonically in the sense that h(n)|x − xn | ≥ |x − xm | for
Xizhong Zheng   +2 more
core  

Current control by a homopolar machine with moving brushes [PDF]

open access: yes, 1978
The equation for TNS Doublet's E-coil circuit with moving brush homopolar machine is integrated in the flux of the homopolar for a monotonically increasing current function extending beyond the current reversal into the burn period. The results show that
Vogel, H.
core   +1 more source

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