Magnetic Bearings: Proceedings of the First International Symposium, ETH Zurich, Switzerland, June 6–8, 1988

Front Matter....Pages I-XI
Front Matter....Pages 1-1
Research and Development of Magnetic Bearing Flywheels for Attitude Control of Spacecraft....Pages 3-12
A 3(5) Degree of Freedom Electrodynamic-Bearing Wheel for 3-Axis Spacecraft Attitude Control Applications....Pages 13-22
Front Matter....Pages 23-23
Radial Shear Force Permanent Magnet Bearing System with Zero-Power Axial Control and Passive Radial Damping....Pages 25-31
High Precision Particle Beam Choppers....Pages 33-40
Wide-Gap, Electro-Permanentmagnetic Bearing System with Radial Transmission of Radial and Axial Forces....Pages 41-52
Ultra-Low-Friction, Zero-Power Magnetic Suspension System of the Spinning Rotor Vacuum Gauge....Pages 53-58
Centrifuge for Epitaxial Growth of Semiconductor Multilayers....Pages 59-66
Magnetic Bearings for Precision Linear Slides....Pages 67-79
Front Matter....Pages 81-81
Applications of Magnetic Bearings in Robotics....Pages 83-99
Front Matter....Pages 101-101
Lift Force Analysis in a Controlled — PM LMS Maglev Carrier....Pages 103-110
Experimental Investigation of an Eddy-Current Bearing....Pages 111-118
Front Matter....Pages 119-119
Analysis on the Operating Stability of a Magnetic Bearing....Pages 121-128
Design of a Controller for Magnetic Levitation....Pages 129-136
Magnetic Bearing Design for a High Speed Rotor....Pages 137-146
Front Matter....Pages 147-147
Vibration Reduction in a Multimass Flexible Rotor Using a Midspan Magnetic Damper....Pages 149-158
Design and Application of a Magnetic Bearing for Vibration Control and Stabilization of a Flexible Rotor....Pages 159-168
Vibration and Control in Outer Rotor Type Magnetic Bearings....Pages 169-176
Vibration and Control of Flexible Rotor Supported by Magnetic Bearings....Pages 177-186
Front Matter....Pages 187-187
The Electromagnetic Damper — Towards a First Large-Scale Industrial Application....Pages 189-198
Implementation of Active Magnetic Bearings on Advanced Rocket Engine Turbopumps....Pages 199-210
Front Matter....Pages 187-187
Developments and Tests on Retainer Bearings for Large Active Magnetic Bearings....Pages 211-224
Practical Applications of the Active Magnetic Bearings to the Industrial World....Pages 225-244
Magnetic Bearing Turbomachinery Operating Experience....Pages 245-259
Front Matter....Pages 261-261
Dynamic Response of Magnetically Supported Rotor....Pages 263-272
Identification and Optimization of Active Magnetic Bearing Systems Using Measured Nyquist Diagrams....Pages 273-280
New Test Techniques Using Magnetic Bearings....Pages 281-288
Identification of Rotordynamic Parameters on a Test Stand with Active Magnetic Bearings....Pages 289-299
Front Matter....Pages 301-301
Seismic Test on Turbo-Molecular Pumps Levitated by Active Magnetic Bearing....Pages 303-310
A Suppression Method of Conical Motion of an Axi-Symmetrical Spinning Rigid Rotor Suspended by Magnetic Bearings....Pages 311-318
A Design of Robust Servo Controllers for an Unbalance Vibration in Magnetic Bearing Systems....Pages 319-326
Balancing Measurement System Using Magnetic Bearings....Pages 327-334
Front Matter....Pages 335-335
Modeling for Flexible Mechanical Systems....Pages 337-346
Optimal Design of Structure Predefined Discrete Control for Rotors in Magnetic Bearings (SPOC-D)....Pages 347-356
Digital Control of Magnetic Bearing with Rotationally Synchronized Interruption....Pages 357-364
Front Matter....Pages 365-365
Active Control of a Flexible Rotor by an Active Bearing....Pages 367-380
Controlling Magnetic Bearing Systems with a Digital Signal Processor....Pages 381-390
Back Matter....Pages 391-392