METHOD FOR CONTROLLING DIRECT-CURRENT DRIVE Russian patent published in 2007 - IPC H02P7/29 G05B11/01 

Abstract RU 2313173 C2

FIELD: electrical engineering; controlling stepping-rotor motors for high-precision positioning of optical devices such as microscope stage and the like.

SUBSTANCE: proposed method for controlling DC drive includes electric motor connection to power supply by means of switching unit controlled by pulse-width modulated signal generated by feedback computing device using results of comparing actuating device sensor data and target data, power-supply pulse-to-pulse interval being longer than braking time till complete stop of motor.

EFFECT: enhanced precision of control attained by simple means.

2 cl

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RU 2 313 173 C2

Authors

Shul'Gin Vladimir Alekseevich

Buslov Evgenij Jur'Evich

Dates

2007-12-20Published

2006-01-30Filed