Capstan motor drive control device

Details Capstan motor drive control device Capstan motor drive control device

1993-11-12

1995-12-05

Shoop, Jr., William M.

Electricity: motive power systems

Induction motor systems

Primary circuit control

318799, 318807, 388805, H02P 528

Patent

active

054732395

ABSTRACT:
A capstan motor is controlled by a signal derived from a frequency generator that has been converted to a voltage that reflects the instantaneous change in velocity of the rotating motor. Acceleration of the motor is found by using a mean velocity obtained as a reciprocal of the pulsed signal from the frequency generator and then estimating the instantaneous velocity based on the derived acceleration. The estimated instantaneous velocity is converted to a drive voltage for the capstan motor so that the motor can be started and stopped with a respective constant acceleration and deceleration.

REFERENCES:
patent: 4992715 (1991-02-01), Nakamura et al.

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