Unstable vibration prevention apparatus for magnetic bearing sys

Details Unstable vibration prevention apparatus for magnetic bearing sys Unstable vibration prevention apparatus for magnetic bearing sys

1988-06-14

1989-12-05

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

324207, F16C 3906

Patent

active

048854913

ABSTRACT:
An active type magnetic bearing system includes magnetic bearings for suspending a rotary body to permit it to rotate about its rotational axis. A control system supplies the magnetic bearings with signals to control the radial position of the rotary body, and comprises displacement detecting circuits for detecting any displacement of the radial position of the rotary body and a control circuit for producing a control signal which serves to suppress any unstable vibration of the rotary body.

REFERENCES:
patent: 3787100 (1974-01-01), Habermann et al.
patent: 3937533 (1976-02-01), Veillette
patent: 4121143 (1989-10-01), Habermann et al.
patent: 4626758 (1986-12-01), Habermann
patent: 4686404 (1987-08-01), Nakazeki et al.
"Aktive Lagerung Umlaufender Korper", Werner Braun, 1974.

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