Apparatus for detecting and controlling the rotational position

Details Apparatus for detecting and controlling the rotational position Apparatus for detecting and controlling the rotational position

1995-04-13

1997-04-01

Ip, Paul

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

318661, B60N 206

Patent

active

056170009

ABSTRACT:
An apparatus for detecting and controlling the rotational position of a motor without using a high-priced component and without requiring special software processing. The apparatus includes a motor rotation control section for selectively connecting a power source to the motor to rotate the motor into a predetermined position, a potentiometer mechanically linked to a shaft of the motor to read the absolute rotational position of the motor, an astable multivibrator for generating output pulses having a duty ratio corresponding to the position read by the potentiometer, and a control signal generation section for supplying a control signal corresponding to the duty ratio of the output pulses to the motor rotation control section to control the rotational position of the motor.

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