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Search results for: model
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Year: 2010, Volume: 10, Issue: 4
... a method for shape representation based on N ï€1 centroid-radii model is proposed (the CR method). The ... increase accuracy of retrieval. and retrieval using cross-media relevance models", ACM SIGIR, pp. 119-126, ... . The semantics of an image can be reflected by the semantics [20] P. Panagi, S ...
Year: 2010, Volume: 10, Issue: 4
... and accelerator In [7 ], a method of modeling of the dynamics modes[1] -[ ... field. Also, an improved vector potential finite element model is presented in [10] to evaluate the ... , G. Mazur, "A Mathematical and Physical Models of the Macmillan, 1987, pp. 31-59 ...
Year: 2010, Volume: 10, Issue: 4
... qualities, are among the advantages of these methods. Main quantities (motor torque and magnetic flux) are calculated from measured values with the help of a mathematical model of the induction motor. II. DIRECT TORQUE CONTROL METHODS All methods of direct torque control use a similar basic principle: a rotating magnetic field in the ...
Year: 2010, Volume: 10, Issue: 4
... hands to support an unpredictable fraction of their deficits in [6 ]) are calculated on a one-legged humanoid body weight and the final knee angular velocities should be model basis. However, in a series of experiments [20, 21] limited in order to protect the insensate tissues of the differences between the left and ...
Year: 2010, Volume: 10, Issue: 4
... interest. Upgrading transmission m statistics can be used to model fading conditions that are reliability and increasing capacity without ... fading than the desired signal. Therefore, different fading models or the I. INTRODUCTION same fading statistics but ... severity of fading. This means that they can be modeled by the same fading statistics [15]. ...
Year: 2010, Volume: 10, Issue: 4
... in our are orthogonal over (0, ), i.e., Laboratory for modeling, simulation, and systems control,  0, i j printed circuit ... ] P. Heuberger, P. Van den Hof and B. Wahlberg. Modelling and Identification with Rational Orthogonal Basis Functions. Springer- [1] R ...
757. Control Strategy for Three Phase Voltage Source PWM Rectifier Based on the Space Vector Modulation
Year: 2010, Volume: 10, Issue: 3
... , pp. 31-33, 2007. [8] C.T. Pan, "Modeling and analysis of a three-phase PWM ac-dc converter without current sensor," Pro ... . INDEX TERMS — PWM rectifier, SV-PWM, power factor. II. MATHEMATICAL MODEL OF PWM RECTIFIER I. INTRODUCTION The circuit diagram of the three-phase voltage source ...
Year: 2010, Volume: 10, Issue: 3
... . functions SWA, SWB, and SWC in two levels can be introduced in modeling of the SCRs and defined as equal to one when a A. MATHEMATICAL ... ψ rd ψ sd ψ rq.) (8) Ls II. MATHEMATICAL MODEL OF THE SYSTEM Induction motors are represented in power system studies as B. ...
Year: 2010, Volume: 10, Issue: 3
... Abstract — Ferroresonance or nonlinear resonance is a route. Modeling iron core nonlinearities has been illustrated complex electrical phenomenon ... a Bifurcation in a I. INTRODUCTION Power System Dynamic Model has been reported in [18]. In ... previous studies, possibility of occurring Ferroresonance over voltage on electrical power systems ferroresonance and nonlinear phenomena in power system ...
Year: 2010, Volume: 10, Issue: 3
... nodes based on the Zigbee protocol (IEEE 802.15.4) [7] and techniques, TDOA and TOF, and we will show how the new use the mathematical model of the radio signal power to methods meet the above specified requirements, in determine the distance between two nodes. Building collaborative environments of mobile robots. Both ...
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