نتایج جستجو برای: rotor dynamics

تعداد نتایج: 452709  

2014
Guangtian Shi

Through an example of rotor system which has multi-degree of freedom mounted on the nonlinear fluid film bearings, this paper analyzes the precise integration algorithm, a new numerical solution for high–dimensional nonlinear dynamics system. The precise integration method has advantages of long step, high precision and absolute stability for solving nonlinear dynamics equations. To make good u...

2003
A. Romanelli

The separation of the Schrödinger equation into a Markovian and an interference term provides a new insight in the quantum dynamics of classically chaotic systems. The competition between these two terms determines the localized or diffusive character of the dynamics. In the case of the Kicked Rotor, we show how the constrained maximization of the entropy implies exponential localization.

Journal: :JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 2006

2004
Rafael Palacios

This paper introduces a procedure to model the dynamics of active slender structures with embedded actuators and sensors. The objective is to construct a loworder high-accuracy formulation for easy parameterization of the design space in nonlinear aeroelastic analysis. Main assumptions are small local strains and local rotations, large deflections and global rotations, quasielectrostatic behavi...

Journal: :Journal of the American Helicopter Society 2009

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده برق و کامپیوتر 1391

in the area of automotive engineering there is a tendency to more electrification of power train. in this work control of an induction machine for the application of electric vehicle is investigated. through the changing operating point of the machine, adapting the rotor magnetization current seems to be useful to increase the machines efficiency. in the literature there are many approaches wh...

Journal: :the modares journal of electrical engineering 2011
esmail rezaei mohammad ebrahimi

most of the methods that have been proposed for speed estimation of induction machines require the rotor and the stator resistance to change in the normal operating range. on the other hand, estimation of the rotor resistance requires rotor speed. in this paper, after studying conditions for simultaneous estimation of rotor speed and rotor resistance, a method for simultaneous estimation of rot...

Journal: :American Journal of Physiology - Heart and Circulatory Physiology 2009
R. H. Keldermann K. H. W. J. ten Tusscher M. P. Nash C. P. Bradley R. Hren P. Taggart A. V. Panfilov

Sudden cardiac death is one of the major causes of death in the industrialized world. It is most often caused by a cardiac arrhythmia called ventricular fibrillation (VF). Despite its large social and economical impact, the mechanisms for VF in the human heart yet remain to be identified. Two of the most frequently discussed mechanisms observed in experiments with animal hearts are the multiple...

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