Control system for positioning an object using switching from a

Details Control system for positioning an object using switching from a Control system for positioning an object using switching from a

1985-11-12

1987-12-01

Smith, Jerry

Boots, shoes, and leggings

364182, 364157, 364474, 318592, 318594, G05B 1100

Patent

active

047108657

ABSTRACT:
A control system for positioning a movable member, includes a first control portion operative to move the movable member at a relatively high moving speed toward a position which is in proximity to a target stop position, the first control portion also being operative to decrease the moving speed of the movable member to a creep speed when the movable member moves from a predetermined deceleration starting position to said position in proximity to said target stop position; a second control portion operative on the movable member, after the creep speed is established, to place the movable member at said target position with a relatively high positional accuracy; a detector for detecting a positional error of the movable member with respect to reference at a time when said creep speed is established; and a third control portion for changing the deceleration starting position on the basis of detection by the detector.

REFERENCES:
patent: 4494203 (1985-01-01), Suzuki
patent: 4551664 (1985-11-01), Wong

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