Digital servo-control system

Details Digital servo-control system Digital servo-control system

1985-10-03

1987-12-08

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

Plural servomotors

318573, 318 4, 318 5, G05B 1132

Patent

active

047120525

ABSTRACT:
A digital servo-control system used for driving a machine with a plurality of drive shafts having a digital type multi-axis position control unit, provided in common to all of the drive shafts, for computing a torque command value for each drive shaft on the basis of a position detection value detected by a position detector provided for each drive shaft and a position command value for each drive shaft, and torque control units, respectively provided in correspondence to a plurality of motors adapted to drive the respective drive shafts, for controlling output torque of a corresponding motor in accordance with the computed torque command value.

REFERENCES:
patent: 4240016 (1980-12-01), Inaba et al.
patent: 4383209 (1983-05-01), Lewis
patent: 4415967 (1983-11-01), Russell

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