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Articles 1 - 4 of 4
Full-Text Articles in Engineering
Transient Stability Estimation Using Artificial Intelligence Methodology: An Inductive Inference Approach, Almoataz Youssef Abdelaziz
Transient Stability Estimation Using Artificial Intelligence Methodology: An Inductive Inference Approach, Almoataz Youssef Abdelaziz
Almoataz Youssef Abdelaziz
Many techniques are used for Transient Stability (TS) estimation of synchronous generators encompassing traditional time domain state numerical integration, Lyapunov based methods, probabilistic approaches and Artificial Intelligence (AI) techniques like pattern recognition and recently neural networks. This paper examines another recently proposed artificial intelligence technique to tackle the transient stability problem. The technique is based on the Inductive Inference Reasoning approach which belongs to a particular family of Machine Learning from Examples. Not only steady state but transient attributes are also used for transient stability estimation so as to reflect machine dynamics and network changes due to faults. The approach …
A Fuzzy Simulation Model Of Basic Commutating Electrical Machines, D. K. Chaturvedi, P. S. Satsangi, P. K. Kalra
A Fuzzy Simulation Model Of Basic Commutating Electrical Machines, D. K. Chaturvedi, P. S. Satsangi, P. K. Kalra
D. K. Chaturvedi Dr.
Fuzzy Logic as applied to a great extent in controlling the process, plants and various complex systems, due to its inherent advantages like simplicity, ease in design, robustness and adaptivity. Aslo it is established that this approach works very well especially when the systems are not transparent. In this paper the approach is used for the modelling and simulation of an electrical machine to predict the behaviour of the machine under running conditionsas well as unde starting conditions. The starting characteristics of electrical machines are non-linear in nature, and it is very difficult to model them accurately. Also the developed …
Development Of The Industrial Expert System And Its Application For The Rational Choice Of Crushing And Grinding Facilities Of A Cement Factory (Développement Du Système Expert Industriel Et Son Application Pour Le Choix Rationnel Des Installations De Concassage Et De Broyage D'Une Cimenterie), Boukhemis Chetate , Cherif Kara, Galina Tcheremechko, Irina Merazka
Development Of The Industrial Expert System And Its Application For The Rational Choice Of Crushing And Grinding Facilities Of A Cement Factory (Développement Du Système Expert Industriel Et Son Application Pour Le Choix Rationnel Des Installations De Concassage Et De Broyage D'Une Cimenterie), Boukhemis Chetate , Cherif Kara, Galina Tcheremechko, Irina Merazka
Boukhemis Chetate
Les économies d’énergie électrique suscitent un intérêt croissant dans le domaine de l’industrie des matériaux de construction. En effet, la dépense en électricité peut représenter jusqu’à 50% de l’ensemble des coûts d’énergie nécessaires à la fabrication d’une tonne de ciment. Par ailleurs, environ 80% de l’énergie utilisée pour la fabrication d’une tonne de ciment est dépensée pour la fragmentation des matériaux de construction, c'est-à-dire pour le concassage et le broyage. Par conséquent, le choix rationnel des installations de concassage et de broyage et l’optimisation de leurs régimes de fonctionnement représentent un facteur important d’économies d’énergie. Toutefois, il est de plus …
Symmetric Self-Electro-Optic Effect Device: Optical Set-Reset Latch, A. L. Lentine, Scott Hinton, D.A. B. Miller, J. E. Henry, J. E. Cunningham, L.M. F. Chirovsky
Symmetric Self-Electro-Optic Effect Device: Optical Set-Reset Latch, A. L. Lentine, Scott Hinton, D.A. B. Miller, J. E. Henry, J. E. Cunningham, L.M. F. Chirovsky
H. Scott Hinton
We demonstrate an integrated symmetric self-electro-optic effect device consisting of two quantum well p-i-n diodes electrically connected in series. The device acts as a bistable optical memory element with individual set (S) and reset (R) inputs and complementary outputs (optical S-R latch). The switching point is determined by the ratio of the two inputs, making the device insensitive to optical power supply fluctuations when both power beams are derived from the same source. The device also shows time-sequential gain, in that the state can be set using low-power beams and read out with subsequent high-power beams. The device showed bistability …