Numerical control apparatus having spline interpolating function

Details Numerical control apparatus having spline interpolating function Numerical control apparatus having spline interpolating function

1996-04-10

1998-03-03

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

318570, 318573, 36447431, G05B 194103, G05B 1918

Patent

active

057239614

ABSTRACT:
There is provided by the present invention a numerical control apparatus comprising a means for deciding a spline curve by repeating approximation of a tangential vector for an instructed point by required times according to the necessity, a means for controlling a speed by estimated a radius curvature of the decided spline curve, and a means for interpolating a speed on the decided spline curve.

REFERENCES:
patent: 5418731 (1995-05-01), Yoshimura et al.
patent: 5438522 (1995-08-01), Crovella
patent: 5473542 (1995-12-01), Olomski et al.
Yamaguchi Fumio; Form Processing Engineering, pp. 162-177, published by Nikan Kogyo Shimbun, Japan.

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