Velocity proportional integral regulator with negative feedforwa

Details Velocity proportional integral regulator with negative feedforwa Velocity proportional integral regulator with negative feedforwa

1991-02-01

1992-03-31

Shoop, Jr., William M.

Electricity: motive power systems

Constant motor current, load and/or torque control

318609, H02P 700

Patent

active

051011450

ABSTRACT:
A method and apparatus for control of one or more torque-regulated motors in a controlled system in which a feedforward velocity component is subtracted from an output of proportional-integral velocity regulator to soften the command response of the motor control, independent of torque disturbances reflected in the velocity feedback path. The velocity feedforward path is decoupled from the velocity feedback path. In a preferred embodiment, a digital-type motor controller is used to practice the method in controlling a paper processing line.

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patent: 4947336 (1990-08-01), Froyd
patent: 5017800 (1991-05-01), Divan

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