Switching apparatus with an electomechanical adjusting drive

Details Switching apparatus with an electomechanical adjusting drive Switching apparatus with an electomechanical adjusting drive

1994-02-01

1995-08-22

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

With compensating features

318687, 318116, 310311, H02N 206

Patent

active

054443474

ABSTRACT:
A switching apparatus with an adjusting drive, preferably piezoelectrical, which is connected with a device producing a supply voltage. A second adjusting drive, which is preferably constructed in the same manner as the first adjusting drive, and to which a length measuring device is coupled, which scans the adjusting movement of the adjusting element of the second adjusting drive and produces an output signal, which is connected in a linear manner with the adjusting movement of the adjusting element of the first adjusting drive, is connected with the outlet of the supply voltage producing device. By means of this linear connection, errors which are brought about by hysteresis, drift or temperature in the adjusting drive, which is preferably piezoelectrical, are eliminated.

REFERENCES:
patent: 4710691 (1987-12-01), Bergstrom et al.
Piezo Guide, Teil 1, Piezostelltechnik in Theorie und Praxis, Mar., 1989.

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