Method and apparatus for reducing track errors in computer contr

Details Method and apparatus for reducing track errors in computer contr Method and apparatus for reducing track errors in computer contr

1987-03-06

1987-11-17

Ruggiero, Joseph

Boots, shoes, and leggings

318632, 364149, 364474, 364513, 364553, G05B 1304, G06F 1546

Patent

active

047077808

ABSTRACT:
In a computer-controlled machine tool, an auxiliary filter is inserted into the reference value channel of the drive control circuit, which filter has a transfer function approximately the inverse of that of the corresponding drive control circuit.

REFERENCES:
patent: 4130787 (1978-12-01), Allaire et al.
patent: 4195337 (1980-03-01), Bertrand et al.
patent: 4286318 (1981-08-01), Immink et al.
patent: 4338659 (1982-07-01), Kurakake
patent: 4385362 (1983-05-01), Arcara
patent: 4395752 (1983-07-01), Hirosawa
patent: 4451878 (1984-05-01), Shigemasa
patent: 4563734 (1986-01-01), Morl et al.

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