Digital ramp function generator and motor drive system including

Details Digital ramp function generator and motor drive system including Digital ramp function generator and motor drive system including

1982-07-23

1985-05-28

Smith, Jerry

Boots, shoes, and leggings

364718, 364858, 318 7, 328185, 307228, H03K 508, G06G 718

Patent

active

045204500

ABSTRACT:
A digital ramp function generator controls the speed of a motor drive system by initial contouring according to an arithmetic progression up to the intended ramp rate, and by final contouring according to the same arithmetic progression in reverse, thereby to reach the intended speed (by acceleration, or by deceleration). The digital ramp function generator is established at the intended ramp rate and contouring effects by a programmable controller programmed by the operator.

REFERENCES:
patent: 3530386 (1970-09-01), Terry
patent: 3686639 (1972-08-01), Fletcher et al.
patent: 3944989 (1976-03-01), Yamada
patent: 3976981 (1976-08-01), Bowden
patent: 4016496 (1977-04-01), Eastcott
patent: 4023902 (1977-05-01), Ungerman
"Programmable Logic Controllers-Painless Programming to Replace the Relay Bank" by G. Lapidus in Controll Engineering, Apr. 1971, pp. 49-60.

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