Servomotor speed control in a positioning device

Details Servomotor speed control in a positioning device Servomotor speed control in a positioning device

1984-07-12

1986-06-10

Dobeck, B.

Electricity: motive power systems

Positional servo systems

Adaptive or optimizing systems including 'bang-bang' servos

318594, 318615, G05B 1300

Patent

active

045945365

ABSTRACT:
A servomotor speed control system includes a ROM table which stores a minimum distance suited for each motor speed. When the minimum distance corresponding to the current motor speed becomes shorter than the current distance from the current motor position to a positioning target point, the instructed speed is reduced to decelerate the servomotor rotation. In a preferred form, the unit of the distance is identical with an interval of a position indicating signal developed from a rotary encoder associated with the servomotor.

REFERENCES:
patent: 4229684 (1980-10-01), Saglini et al.
patent: 4355273 (1982-10-01), DuVall
patent: 4459525 (1984-07-01), Hasegawa
patent: 4486693 (1984-12-01), Hamati et al.

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