Electricity: motive power systems – Positional servo systems – With particular 'error-detecting' means
Patent
1989-10-04
1990-11-13
Shoop, Jr., William M.
Electricity: motive power systems
Positional servo systems
With particular 'error-detecting' means
318603, 318608, 318660, G05B 103, G01B 730, G01P 344
Patent
active
049704508
ABSTRACT:
Angular position and rotation rate of a function generator having stator windings and rotor windings are determined by first amplitude modulating a carrier oscillation to form a sine signal and a cosine signal and then feeding the sine signal and cosine signals to opposite stator windings and thereby inducing in the rotor winding an analog function-generator signal. In turn this analog function-generator signal is converted into a digital function-generator signal from which is derived by means of an algorithm a digital rotation-rate signal which is numerically integrated to obtain an angular-position signal. This angular-position signal is itself used to modulate the carrier oscillation.
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Karl Heinz-Dietmar
Krietemeier Jurgen
Tinebor Manfred
Baxley Charles E.
Ip Paul
Lenze GmbH & Co KG Aerzen
Shoop Jr. William M.
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