tailieunhanh - Recent Developments of Electrical Drives - Part 2

Recent Developments of Electrical Drives - Part 2. The book stating the recent developments of electrical drives, can be useful for engineers and researchers investigating and designing electrical and electronic devices as well as for students and young researchers dealing with electrical and electronic engineering, computer sciences (advanced computer modelling, sophisticated control systems with artificial intelligence tools applied, optimal design bye use of classical and genetic algorithms employed), applied mathematics and all the topics where electromagnetic, thermal, mechanical phenomena occur | Preface xi last three decades and are being still developed serve as good tools for discovering new phenomena. We the editors of SPRINGER MONOGRAPH would like to express our thanks to our colleagues who have contributed to this issue. The book is composed of the papers which were presented at the XVI International Conference on Electrical Machines ICEM 2004 which was held in Cracow Poland on September 5-8 2004. It consists of three chapters 1. Theory and Advanced Computational Methods in Electrical Drives 2. Control Measurements and Monitoring 3. Electrical Drives Applications New Motor Structures Wind Generators Use of Advanced Materials and New Technologies The papers accepted for this issue concerns the following leading problems Computer modeling of wide range of electrical drives while the models are validated by experimental measurements. Moreover the optimization methodologies based on stochastic gradient and genetic algorithms are used to increase alternator efficiency and power-to-weight ratio by changing building parameters. Then multiobjectives optimization strategy is applied in order to find the best compromise between high efficiency and high power-to-weight ratio. Development of the software methodology dedicated for 3D structure modeling by means of solid models of electromechanical converters. Generalized circuital modeling of electromechanical devices by means of the lumped-parameters in terms of equivalent circuits. The generalized treatment suppressing several of such hypotheses leveraging on matrix notation and lagrangian notation for mechanical aspects to provide a powerful conceptual tool for the analysis of a wide class of devices. Novel sensorless operation of different type of electrical machines theory and applications. The methodology behind the controller operation is presented together with test results taken from industry and prototype systems. The numerical modeling of small size electromechanical converters with .