Circuit arrangement for phase-alignment of a servo drive for...

Details Circuit arrangement for phase-alignment of a servo drive for... Circuit arrangement for phase-alignment of a servo drive for...

H - Electricity

01

P

318/24

H01P 5/00 (2006.01) H02P 23/00 (2006.01)

Patent

CA 1050102

ABSTRACT A circuit arrangement for phase-alignment of a servo drive for a rotary system, to whose correction element for correcting the speed of said system the output signal of a phase detector is applied via a transmission path which output signal determines the mutual phase relationship of an actual signal and of the desired signal, comprises two gate circuits of which one circuit receives the pulse-shaped actual signal and the other circuit receives the pulse-shaped desired signal as an input signal, and whose output signals are applied to the transmission path in phase opposition for phase-alignment of the rotary system, each of the gate circuits being controlled by a bistable multivibrator which can also be changed over by said actual and desired signals, so that a gate circuit is opened only when its input signal contains more than one pulse between two consecutive pulses in the input signal of the other gate circuit.

237436

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