Method for a numerical positioning control system

Details Method for a numerical positioning control system Method for a numerical positioning control system

1990-09-27

1991-12-03

Ip, Paul

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

318615, 318616, 3185681, 36447430, 395 1, G05B 19407

Patent

active

050702874

ABSTRACT:
A numerical positioning control system renders possible clocked-synchronous acceleration, and deceleration operations for motorized driving systems (A). A specified target point (PO), which for example can be the end point of a path section, can be reached with a predetermined final velocity (V.sub.END) exactly at a calibration time (T) of the numerical control. At least two acceleration values (a.sub.1,a) are defined for the acceleration, and braking operation, whereby the time which is required for the entire acceleration operation is exactly an integral multiple of the calibration time (T) of the numerical control. To avoid sudden changes in acceleration, a rate-of-change limiter is implemented according to the principle of discrete convolution.

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patent: 4757457 (1988-12-01), Matsumoto
patent: 4815007 (1989-03-01), Sakai et al.
patent: 4864205 (1989-09-01), Fisher et al.

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