Results 201 to 210 of about 152,116 (226)
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HYSTERESIS IN THE DYNAMICS OF EMPLOYMENT
Metroeconomica, 2012ABSTRACTIn this paper, we derive a micro model of employment demand with hysteresis whereby firms can adjust along an intensive (employment) and an extensive (hours of work) margin. A mechanism of aggregation over heterogeneous firms is used to generate the corresponding aggregate dynamics.
Mota, Paulo R. +2 more
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Modified Dynamic Preisach Model for Hysteresis
AIAA Journal, 2009We propose a dynamic hysteresis model developed using a modified version of the Preisach hysteresis operator to simulate the change in electrical resistance with strain in conductive polymer nanocomposites. Result of the conductivity test on a conductive polymer nanocomposite sample has been presented to show its hysteretic variation of resistance with
Mohammed Sunny, Rakesh Kapania
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Dynamic modeling of magnetic hysteresis
Journal of Spacecraft and Rockets, 1970Magnetic hysteresis rods have been used successfully for damping the attitude motions of passively stabilized near-Earth satellites. This paper describes the implementation of a model of magnetic hysteresis that is suitable for digital computer simulations of such motions.
J. M. WHISNANT +3 more
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Preisach based dynamic hysteresis model
2004 International Conference on Intelligent Mechatronics and Automation, 2004. Proceedings., 2005In the paper, a Preisach based dynamic hysteresis model is presented as an extension of the classical Preisach model. Some mathematical properties of the model are discussed. A recursive lorm 01 the hysteresis model suitable lor real-time implementation is also developed.
null Hong Hu +2 more
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IEEE Transactions on Magnetics, 1988
The static hysteresis model which is based on Frohlich equations is extended to simulate the dynamic B-H behavior including hysteresis. In order to describe the dynamic model, the following conditions are required: the magnetizing curve, the relationship between H/sub c/ with H/sub m/ (or B/sub m/) and B/sub r/ with B/sub m/ (or H/sub m/); and the fact
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The static hysteresis model which is based on Frohlich equations is extended to simulate the dynamic B-H behavior including hysteresis. In order to describe the dynamic model, the following conditions are required: the magnetizing curve, the relationship between H/sub c/ with H/sub m/ (or B/sub m/) and B/sub r/ with B/sub m/ (or H/sub m/); and the fact
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Dynamic vector hysteresis modeling
Physica B: Condensed Matter, 2006Abstract The possibility of considering dynamic effects in three vector hysteresis models is investigated. The friction model of oriented Preisach operators which rotate due to the torque exerted by the external field, the coercive spheres model, the 3D analogue of the classical Preisach model, and a further collective model based on micromagnetic ...
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Entropic dynamical hysteresis in a driven system
Physical Review E, 2012We show that the application of a time periodic field driving a Brownian particle between the two lobes of a two-dimensional bilobal enclosure results in a hysteresis loop in the variation of integrated probability of residence of the particle as a function of the field.
Debasish, Mondal +2 more
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Dynamical aspects of the adsorption hysteresis phenomenon
Magnetic Resonance Imaging, 2007Equilibrium and nonequilibrium transport properties of adsorbates in mesoporous Vycor porous glass have been experimentally studied using nuclear magnetic resonance techniques. With the known geometrical characteristics of porous glass and with measured self-diffusivities, transient sorption curves have been quantitatively compared to those predicted ...
Valiullin, R +4 more
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Dynamic Hysteresis Behaviour of Respiratory System Mechanics
Biomedical Engineering / Biomedizinische Technik, 2013The static pressure-volume (PV) curve of the respiratory system is characterized by hysteresis behaviour. Determination of separate inspiratory and expiratory compliance is required to analyse this phenomenon during the dynamic situation of mechanical ventilation.
Bühler, Sarah +4 more
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Role of hysteresis in stomatal aperture dynamics
Physical Review E, 2013Stomata are pores responsible for gas exchange in leaves. Several experiments indicate that stomata synchronize into clusters or patches. The patches' coordination may produce oscillations in stomatal conductance. Previous studies claim to reproduce some experimental results.
Antônio M T, Ramos, Carmen P C, Prado
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