Motor control apparatus for reel-to-reel tape drive system

Details Motor control apparatus for reel-to-reel tape drive system Motor control apparatus for reel-to-reel tape drive system

1985-05-28

1987-05-12

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

360 73, 360 742, G11B 1543, G11B 1544, G11B 1546

Patent

active

046643362

ABSTRACT:
A motor control apparatus for an unbuffered reel-to-reel drive system including independently operable first and second drive motors including first and second sensors for detecting rotation of reels and a circuit for controlling the drive motors cooperatively to maintain tension applied to a tape. The drive motor control circuit controls the drive motors on the basis of a servo-mechanism control algorithm and a stop-lock control algorithm using control signals having hysteresis curves in response to position deviation and a transport direction of the tape.

REFERENCES:
patent: 3725655 (1973-04-01), Edstrom et al.
patent: 3764087 (1973-10-01), Paananen et al.
patent: 3809335 (1974-05-01), Mantey
patent: 3984868 (1976-10-01), Ragle et al.
patent: 4030131 (1977-06-01), Beiter et al.
patent: 4125881 (1978-11-01), Eige et al.
patent: 4172231 (1979-10-01), D'Alayer de Costemore d'Arc et al.

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