Magnetic Bearings (eBook, PDF)

Proceedings of the First International Symposium, ETHG Zurich, Switzerland, June 6-8, 1988
Redaktion: Schweitzer, G.

• Format: PDF

Produktbeschreibung

Magnetic Bearings are bearings where the suspension forces are generated magnetically without any contact. The advantages to modern machinery are obvious: no mechanical wear, no lubrication, potential for high rotor speed, accuracy, and high dynamic performance, new constructional solutions to a classical problem in machine dynamics. The realization of such bearings is in rapid progress. Examples for application areas are turbomachinery, centrifuges, vacuum techniques, machine tool spindles, chemical industry, medical devices, robotics, high speed drives, spacecraft equipment, con tactless actuators, vibration isolation. The Symposium is demonstrating the current state of the art in this developing field of mechatronics, showing actual research efforts, reporting on applications in the various areas, and discussing open questions. The main purpose of the Symposium has been to establish a common information basis for people working on magnetic bearings. It will point to promising areas, and it will help to facilitate decisions on research and development projects, and on investments for applications.

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Produktdetails

• Verlag: Springer Berlin Heidelberg
• Seitenzahl: 390
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9783642517242
• Artikelnr.: 53380176

Inhaltsangabe

Applications in Space.- Research and Development of Magnetic Bearing Flywheels for Attitude Control of Spacecra.- A 3(5) Degree of Freedom Electrodynamic-Bearing Wheel for 3-Axis Spacecraft Attitude Control Application.- Applications in Physics.- Radial Shear Force Permanent Magnet Bearing System with Zero-Power Axial Control and Passive Radial Damping.- High Precision Particle Beam Choppers.- Wide-Gap, Electro-Permanentmagnetic Bearing System with Radial Transmission of Radial and Axial Forces.- Ultra-Low-Friction, Zero-Power Magnetic Suspension System of the Spinning Rotor Vacuum Gauge.- Centrifuge for Epitaxial Growth of Semiconductor Multilayers.- Magnetic Bearings for Precision Linear Slides.- Applications in Robotics.- Applications of Magnetic Bearings in Robotics.- Special Bearings.- Lift Force Analysis in a Controlled - PM LMS Maglev Carrier.- Experimental Investigation of an Eddy-Current Bearing.- Stabilization of Rotor Motion.- Analysis on the Operating Stability of a Magnetic Bearing.- Design of a Controller for Magnetic Levitation.- Magnetic Bearing Design for a High Speed Rotor.- Vibration Control of Flexible Rotors.- Vibration Reduction in a Multimass Flexible Rotor Using a Midspan Magnetic Damper.- Design and Application of a Magnetic Bearing for Vibration Control and Stabilization of a Flexible Rotor.- Vibration and Control in Outer Rotor Type Magnetic Bearings.- NASA Lewis Research Center, Cleveland, USA Vibration and Control of Flexible Rotor Supported by Magnetic Bearings.- Industrial Applications.- The Electromagnetic Damper - Towards a First Large-Scale Industrial Application.- Implementation of Active Magnetic Bearings on Advanced Rocket Engine Turbopumps.- Developments and Tests on Retainer Bearings for Large Active Magnetic Bearings.- PracticalApplications of the Active Magnetic Bearings to the Industrial World.- Magnetic Bearing Turbomachinery Operating Experience.- Identification of Bearing and Rotor Parameters.- Dynamic Response of Magnetically Supported Rotor.- Identification and Optimization of Active Magnetic Bearing Systems Using Measured Nyquist Diagrams.- New Test Techniques Using Magnetic Bearings.- Identification of Rotordynamic Parameters on a Test Stand with Active Magnetic Bearings.- Unbalance and Disturbance Control.- Seismic Test on Turbo-Molecular Pumps Levitated by Active Magnetic Bearing.- A Suppression Method of Conical Motion of an Axi-Symmetrical Spinning Rigid Rotor Suspended by Magnetic Bearings.- A Design of Robust Servo Controllers for an Unbalance Vibration in Magnetic Bearing Systems.- Balancing Measurement System Using Magnetic Bearings.- Digital Control.- Modeling for Flexible Mechanical Systems.- Optimal Design of Structure Predefined Discrete Control for Rotors in Magnetic Bearings (SPOC-D).- Ditigal Control of Magnetic Bearing with Rotationally Synchronized Interruption.- Signal Processors and Applications.- Active Control of a Flexible Rotor by an Active Bearing.- Controlling Magnetic Bearing Systems with a Digital Signal Processor.