Method and apparatus for the distance control of a positioning d

Details Method and apparatus for the distance control of a positioning d Method and apparatus for the distance control of a positioning d

1988-04-18

1990-09-25

Chin, Gary

Boots, shoes, and leggings

364565, 364561, 364174, 318 64, 318 63, 318 61, 187116, 187 292, G01P 1500, B66B 124

Patent

active

049598082

ABSTRACT:
A first acceleration reference value is continuously determined by a nonlinear distance control. In parallel thereto, a second acceleration value is generated by a nonlinear velocity controller. A simple selection criterion that comprises only these two alternative acceleration values engages the second alternative acceleration reference value engagement for run up. The first alternative acceleration reference value initiates the destination braking. The second alternative reference value is used for approaching the destination position. The trip destination and the velocity of the positioning drive can be accommodate inching velocities.

REFERENCES:
patent: 4130184 (1978-12-01), Satoh et al.
patent: 4337847 (1982-07-01), Schroder
patent: 4351416 (1982-09-01), Terazono et al.
patent: 4354576 (1982-10-01), Kajiyama
patent: 4629034 (1986-12-01), Inaba et al.
patent: 4751984 (1988-06-01), Williams et al.

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