Results 211 to 220 of about 29,208 (260)

Composition-Driven Ultra-Low Hysteresis Electrostrictive Strain in BaTiO₃-BaZrO₃-Bi(Zn_2/3Nb_1/3)O₃ Ceramics with High Thermal Stability. [PDF]

Materials (Basel)
Yang X, Chen Q, Xiao Q, Yang Q, Wu W, Wu B, Tao H, Li J, Zhang X, Guo Y.   +9 more
europepmc   +1 more source

Magnetic hydrogel-mediated periodic stimulation enhances mesenchymal stem cell small extracellular vesicle release. [PDF]

Mater Today Bio
Wang C, Chen Y, Yan T, Zhang S, Li X, Wu S, Zhang Q.   +6 more
europepmc   +1 more source

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HYSTERESIS IN THE DYNAMICS OF EMPLOYMENT

Metroeconomica, 2012
ABSTRACTIn 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., Varejão, José, Vasconcelos, Paulo B.   +2 more
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Dynamics of a relay oscillator with hysteresis

2007 46th IEEE Conference on Decision and Control, 2007
The dynamics of a hysteretic relay oscillator with sinusoidal forcing is studied in this paper. Periodic excitation gives rise to periodic, quasiperiodic and chaotic responses. A Poincare map is introduced to facilitate mathematical analysis. Conditions on the amplitude and frequency of the forcing for the existence of periodic solutions have been ...
Tamás Kalmár-Nagy, Pankaj Wahi
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Hesitation phenomenon in dynamical hysteresis

Physical Review Letters, 1993
The effect of the sweeping velocity on the hysteresis loop of a bistable system is examined in the case where the velocity is so large that the system is prevented from undergoing any transition during the forward sweep. The experiments, made on optical and electronic devices, evidence a dramatic instability (``hesitation'') of the return path of the ...
, Zemmouri, , Ségard, , Sergent, , Macke   +3 more
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The dynamic model of magnetic hysteresis

2015 IEEE International Conference on Industrial Technology (ICIT), 2015
This paper presents the scalar dynamic magnetic hysteresis model based on the Preisach theory. The important role in this theory played hysteresis operator states. The changes of these operators' states are not immediate in the dynamic model but they are a function of time and parameter k representing the magnetic properties of the material.
Andrzej Wilk, Michal Michna
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Scaling law for dynamical hysteresis

Physical Review Letters, 1990
A one-dimensional theory of dynamical hysteresis in periodically switched bistable systems is formulated. The predictions of the theory are tested and verified by experiments on a bistable semiconductor laser. We find that the increase of the area of the hysteresis loop scales as the two-thirds power of the switching frequency.
Jung, Peter, Gray, George, Roy, Rajarshi, Mandel, Paul   +3 more
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Dynamics of a simple hysteresis network

Proceedings of IEEE International Symposium on Circuits and Systems - ISCAS '94, 2002
In order to approach the explication of rich dynamics from a large scale nonlinear network, this paper analyses a continuous time hysteresis network whose cross connection is uniform. This system has only two parameters. Applying an efficient piecewise linear technique for a binary hysteresis element, we can clarify the existence condition of periodic ...
Kenya Jin'no, Toshimichi Saito
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