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Articles 1 - 7 of 7
Full-Text Articles in Engineering
A Method Of Minimizing The Power Losses In An Induction Motor With A Squirrel-Cage With Vector, Boukhemis Chetate, Aissa Kheldoun
A Method Of Minimizing The Power Losses In An Induction Motor With A Squirrel-Cage With Vector, Boukhemis Chetate, Aissa Kheldoun
Boukhemis Chetate
No abstract provided.
A Method Of Minimizing The Power Losses In An Induction Motor With A Squirrel-Cage With Vector Control, Boukhemis Chetate, Aissa Kheldoun
A Method Of Minimizing The Power Losses In An Induction Motor With A Squirrel-Cage With Vector Control, Boukhemis Chetate, Aissa Kheldoun
Boukhemis Chetate
An approach to optimizing the flux linkage of the rotor of an induction motor is considered when the motor operates in a vector control mode with indirect orientation in the direction of the field. In this system, the expression for the frequency of the rotor e.m.f. contains the rotor winding impedance; this impedance must therefore be precisely estimated in real time. It is proposed that this should be done using a fuzzy-logic adaptation mechanism. The results of using such a mechanism in a physical model confirm its effectiveness. Key words: induction motor, rotor, vector control, fuzzy logic.
Multidimensional Digital Signal Estimation Using Kalman's Theory For Computer-Aided Applications, Ivan E. Villalon-Turrubiates, Jose A. Andrade-Lucio, Oscar G. Ibarra-Manzano
Multidimensional Digital Signal Estimation Using Kalman's Theory For Computer-Aided Applications, Ivan E. Villalon-Turrubiates, Jose A. Andrade-Lucio, Oscar G. Ibarra-Manzano
Iván Esteban Villalón Turrubiates
In this paper, we analyze the Multidimensional Kalman Algorithm to estimate a signal corrupted by white Gaussian noise. Because the theory provide a good solution to the problem with a large number of signals, we developed an algorithm for three-dimensional Kalman filtering applied to the positioning problem (latitude, altitude and longitude) of a stationary object based on GPS signals. This application was selected because the incoming signals of the GPS encounters some noise on its way to the receiver, which is originated from different types of sources, the consequences are that the received signals are noisy, therefore inaccurate. The signals …
Experimental Studies Of Generalized Neuron Based Power System Stabilizer, D. K. Chaturvedi, O. P. Malik, P. K. Kalra
Experimental Studies Of Generalized Neuron Based Power System Stabilizer, D. K. Chaturvedi, O. P. Malik, P. K. Kalra
D. K. Chaturvedi Dr.
Artificial neural networks (ANNs) can be used as intelligent controllers to control nonlinear, dynamic systems through learning, which can easily accommodate the nonlinearities and time dependencies. However, they require large training time and large number of neurons to deal with complex problems. To overcome these drawbacks, a generalized neuron (GN) has been developed that requires much smaller training data and shorter training time. Taking benefit of these characteristics of the GN, a new power system stabilizer (PSS) is proposed. Results show that the proposed GN-based PSS can provide a consistently good dynamic performance of the system over a wide range …
The Technical Requirements For Multichannel Qam Rf Modulators, Ron D. Katznelson
The Technical Requirements For Multichannel Qam Rf Modulators, Ron D. Katznelson
Ron D. Katznelson
This paper addresses the technical requirements and implications for multichannel QAM RF modulators and upconverters and the factors that affect their proposed RF specifications. RF output power levels per channel, adjacent channel noise and broadband noise levels of such a class of multichannel modulators will be discussed. A spectral noise specification mask that is equivalent to that obtained from a combination of multiple identical masks of a standard single channel noise specifications based on power addition will be presented. The power back-off required for maintaining the proposed distortion mask levels as a function of the number of adjacent channels supported …
Web-Based Tools For The Benefit Of Undergraduate Students In Control Systems, Raúl Ordóñez
Web-Based Tools For The Benefit Of Undergraduate Students In Control Systems, Raúl Ordóñez
Raúl Ordóñez
Co-PI, UD Learning Teaching Center, $7,500.
Dangerous Aircraft, Raúl Ordóñez
Dangerous Aircraft, Raúl Ordóñez
Raúl Ordóñez
PI, University of Dayton Research Council, $7,900.