A Comparison of Analytical and Experimental Data for a Magnetic Actuator PDF Download
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Author: Nelson J. Groom
Publisher:
ISBN:
Category : Actuators
Languages : en
Pages : 34
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Book Description
Author: Nelson J. Groom
Publisher:
ISBN:
Category : Actuators
Languages : en
Pages : 34
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Author: National Aeronautics and Space Adm Nasa
Publisher: Independently Published
ISBN: 9781724082480
Category : Science
Languages : en
Pages : 36
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Book Description
Theoretical and experimental force-displacement and force-current data are compared for two configurations of a simple horseshoe, or bipolar, magnetic actuator. One configuration utilizes permanent magnet wafers to provide a bias flux and the other configuration has no source of bias flux. The theoretical data are obtained from two analytical models of each configuration. One is an ideal analytical model which is developed under the following assumptions: (1) zero fringing and leakage flux, (2) zero actuator coil mmf loss, and (3) infinite permeability of the actuator core and suspended element flux return path. The other analytical model, called the extended model, is developed by adding loss and leakage factors to the ideal model. The values of the loss and leakage factors are calculated from experimental data. The experimental data are obtained from a magnetic actuator test fixture, which is described in detail. Results indicate that the ideal models for both configurations do not match the experimental data very well. However, except for the range around zero force, the extended models produce a good match. The best match is produced by the extended model of the configuration with permanent magnet flux bias. Groom, Nelson J. and Bloodgood, V. Dale, Jr. Langley Research Center NASA/TM-2000-210328, NAS 1.15:210328, L-18033
Author: Suresh Chandra Satapathy
Publisher: Springer
ISBN: 813222728X
Category : Technology & Engineering
Languages : en
Pages : 760
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Book Description
This volume contains 73 papers presented at ICMEET 2015: International Conference on Microelectronics, Electromagnetics and Telecommunications. The conference was held during 18 – 19 December, 2015 at Department of Electronics and Communication Engineering, GITAM Institute of Technology, GITAM University, Visakhapatnam, INDIA. This volume contains papers mainly focused on Antennas, Electromagnetics, Telecommunication Engineering and Low Power VLSI Design.
Author: Rajiv Tiwari
Publisher: CRC Press
ISBN: 1351863649
Category : Science
Languages : en
Pages : 1091
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Book Description
The purpose of this book is to give a basic understanding of rotor dynamics phenomena with the help of simple rotor models and subsequently, the modern analysis methods for real life rotor systems. This background will be helpful in the identification of rotor-bearing system parameters and its use in futuristic model-based condition monitoring and, fault diagnostics and prognostics. The book starts with introductory material for finite element methods and moves to linear and non-linear vibrations, continuous systems, vibration measurement techniques, signal processing and error analysis, general identification techniques in engineering systems, and MATLAB analysis of simple rotors. Key Features: • Covers both transfer matrix methods (TMM) and finite element methods (FEM) • Discusses transverse and torsional vibrations • Includes worked examples with simplicity of mathematical background and a modern numerical method approach • Explores the concepts of instability analysis and dynamic balancing • Provides a basic understanding of rotor dynamics phenomena with the help of simple rotor models including modern analysis methods for real life rotor systems.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 636
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 162
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 440
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 492
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Author: Xiaoting Rui
Publisher: Springer Nature
ISBN: 9819980488
Category :
Languages : en
Pages : 4383
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Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 594
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