Electricity: motive power systems – Positional servo systems – With compensating features
Patent
1985-03-20
1986-04-15
Dobeck, B.
Electricity: motive power systems
Positional servo systems
With compensating features
308 10, G05D 23275, F16C 3900
Patent
active
045830312
ABSTRACT:
For compensating the geometrical defects of the annular armature of a radial position detector slaving an active radial magnetic bearing, a reference rotor having a small diameter is co-axially mounted within the rotor supporting the annular armature. The rotor supporting the annular armature and the reference rotor are both rotated in synchronism while a reference surface of the reference rotor is sensed by an additional radial position detector. A plurality of data representing the geometrical defects of the annular armature as a function of the angular position of the rotor are derived from the output of the additional radial position detector and stored in a memory to be applied to a compensation circuit linked with the radial position detector.
REFERENCES:
patent: 3787100 (1974-01-01), Habermann et al.
patent: 4090745 (1978-05-01), Dahogne
patent: 4114960 (1978-09-01), Habermann et al.
patent: 4121143 (1978-10-01), Habermann et al.
patent: 4167296 (1979-09-01), Dendy
patent: 4308490 (1981-12-01), Habermann et al.
patent: 4353602 (1982-10-01), Habermann et al.
Brunet Maurice
Lacour Michel
Dobeck B.
Societe Europeenne de Propulsion
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