Electricity: motive power systems – Positional servo systems – Program- or pattern-controlled systems
Patent
1991-06-24
1993-12-14
Shoop, Jr., William M.
Electricity: motive power systems
Positional servo systems
Program- or pattern-controlled systems
318560, 31856819, 318569, 318574, 36447436, 36447401, G05B 1933
Patent
active
052706273
ABSTRACT:
A machine tool control system in which a programmable controller operates a machine to carry out a plurality of programmable functions. The controller includes a plurality of processor means, a first one of the processor means capable of pre-processing and forwarding control information to a second of said processor means, wherein said second processor means provides control information to control machine movement. Advantageously, the second processor means operates on a periodic time based interrupt method which greatly increases the accuracy of the machine.
REFERENCES:
patent: 4199814 (1980-04-01), Rapp et al.
patent: 4344127 (1982-08-01), McDaniel et al.
patent: 4931709 (1990-06-01), Ikeda et al.
patent: 4956785 (1990-09-01), Kawamura et al.
Masih Karen
Shoop Jr. William M.
Unilens Corp., U.S.A.
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