Magnetic Bearings and Bearingless Drives

Index

A

AC excitation, 147–9

AC motors

coordinate transformation, 173–7

three-phase, 168

two-phase, 167

Acceleration, 80

Acceleration test, 121–2

Airgap flux density, 2, 281–2

balanced, 2

induction motors, 264–70

PMS motors, 205–8

unbalanced, 2

Airgap-flux-oriented vector controller, 262, 263

Airgap length, 21, 33, 40, 61

Angular speed, 148

Applications, 14–15

Axial force, 95

Axial gap motors, 321–8

axial position regulation, 322–3

inclination control, 323–5

mechanical structure, 319–20

nonlinear characteristics, 327–8

radial damping control, 325–7

structure, 321–2

Axial position regulation, 322–3

B

Back electromotive force, 75

Bearing and drive, 8

Bearing motors, 8

Bearingless drives, 4–5

advantages of, 4–5

definitions of, 5

development ...