Position control system

Details Position control system Position control system

1988-11-29

1991-03-12

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

With particular motor control system responsive to the...

318696, 360 7711, 346 75, G05B 1940

Patent

active

049995588

ABSTRACT:
A position control system is disclosed for positioning a stepping motor to a target position according to a closed loop control system. The closed loop control system controls the position of the stepping motor according to a current position signal outputted from an encoder operatively coupled to the stepping motor. Furthermore, circuitry is provided for correcting electrically a torque angle error of the stepping motor caused by a positional error between the stepping motor and the encoder due to a mechanical mounting error of the encoder, to thereby drive the stepping motor at a torque angle maintained at the most desirable range.

REFERENCES:
patent: 3612976 (1971-10-01), Tripp
patent: 4027310 (1977-03-01), Baker et al.
patent: 4255693 (1981-03-01), Keidl
patent: 4630144 (1986-12-01), Kutaragi

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