[PDF] Top 20 A hysteresis model for piezoceramic materials
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L1 adaptive control of hysteresis in smart materials
... The model employed in the present analysis incorporates mesoscopic material behavior at the domain in a stochastic homogenization framework to predict macroscopic material ...to model polarization switching ... See full document
11
A unified framework for modeling hysteresis in ferroIC materials
... facilitates model updating to accommodate changing environmental ...The model guarantees biased minor loop closure in quasistatic operating regimes but does not enforce ...The model automatically ... See full document
39
A domain model for ferroelectric hysteresis
... ferroelectric materials exhibit material nonhomogeneities which act as pinning sites for domain ...the materials and hence are unavoidable in the design ...the hysteresis exhibited by the material. ... See full document
12
A free energy model for hysteresis in magnetostrictive transducers
... this model originated in the context of SMA [13, 16] and was recently extended to piezoceramic compounds [19] where the distributional analysis concern- ing variable coercive and effective fields was ... See full document
16
Modelling Length/Pressure Hysteresis of a Pneumatic Artificial Muscle using a Modified Prandtl-Ishlinskii Model
... and materials, PAM has several unique advantages compared to hydraulic and electric actuators, for instance, high power-to- weight ratio, compact size, inherent compliance, as well as low cost [3] and ... See full document
9
An H-infinity/MinMax periodic control in a 2-D structural acoustic model with piezoceramic actuators
... acoustic model investigated in this paper represents a \linearized slice" of a full 3-D acoustic cavity/plate structure currently being used in experiments in the Acoustics Division at NASA Langley Research ... See full document
33
A nonlinear physics-based optimal control method for magnetostrictive actuators
... of hysteresis were also neglected and a linear law employed in [38] when designing a high precision magne- tostrictive ...inherent hysteresis and nonlinearities [13]. For example, hysteresis provides ... See full document
31
A homogenized energy model for hysteresis in ferroelectric materials: general density formulation
... the materials. For example, piezoceramic rods or shells are employed as positioning mechanisms in all present atomic force microscope (AFM) and scanning tunneling microscope (STM) designs to achieve the ... See full document
26
A dynamic hysteresis model for thunder transducers
... the hysteresis and nonlinear saturation in the PZT and (ii) A PDE model is developed for the actuator behavior based on Newtonian ...energy model for hysteresis in ferroelectric ... See full document
12
Quantification of hysteresis and nonlinear effects on the frequency response of ferroelectric and ferromagnetic materials
... moderate hysteresis but significant nonlinear effects, while the ferroelectric material PZT5H was chosen to exhibit large hysteresis but relatively less significant nonlinear ...HEM model parameters ... See full document
16
A homogenized free energy model for hysteresis in thin-film shape memory alloys
... polycrystalline materials have a nonuniform lattice structure that induces variations in the local material ...we model the hystere- sis induced in nonuniform SMA lattices and the effects of nonuniform ... See full document
54
An energy-based hysteresis model for magnetostrictive transducers
... For a material which is defect free, the former mechanism leads to anhysteretic (hystere- sis free) behavior which is conservative and hence reversible. Such a situation is idealized, however, since defects are ... See full document
19
A unified methodology for modeling hysteresis in ferroelectric, ferromagnetic and ferroelastic materials
... XNJWyXNJZY[JZ\]MN`b\KUYNL9c XNMchoMNeyc M[OXYÀc XNM¸Ô OXLeQRbc MN`bOS\*pÂÁÖÕ(×Ø ÉaÙÚ ×Ø¢Û¢Ü6× ÇÈDÝÞßÇTÙÚË Û!à0áDà]âÛ!à Ù6ÙoÝ Ûnà]âSv¥p. WQWãvy·ÌS¹_~Í¥·Ìp¡±ZµµS¹]v[r] ... See full document
22
Efficient implementation algorithm for a homogenized energy model with thermal relaxation
... energy hysteresis model with thermal relaxation for both ferroelectric and ferromagnetic ...the model has been seen to improve by a factor of 70 for some applications, whereas the error only ... See full document
11
A unified model for hysteresis in ferroIC materials
... to model the coercive field distribution rather than the lognormal density ...resulting model fit at the high drive level and model prediction at the moderate drive level are plotted with the data in ... See full document
12
A free energy model for hysteresis in ferroelectric materials
... polarization model that quantifies the phase transition from the ferroelectric to paraelectric state as temperatures are increased through the Curie ...Ising model employed as an anhysteretic kernel in the ... See full document
29
A domain wall model for hysteresis in ferroelastic materials
... In this section, we derive a stress-strain law to model the superelastic response of SMAs in thermody- namic equilibrium. Shape memory mechanisms in SMAs are caused by first-order martensitic phase ... See full document
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