Method of and apparatus for tracking position error control

Details Method of and apparatus for tracking position error control Method of and apparatus for tracking position error control

1986-03-19

1988-06-07

Ruggiero, Joseph

Boots, shoes, and leggings

318603, 318632, 364174, 364176, 364183, 364474, G05B 1101, G05B 1302

Patent

active

047501049

ABSTRACT:
There are disclosed a method of and an apparatus for controlling a track position error of a load such as the workpiece table of a multi-axis machine tool. A feed pulse signal for driving the load is added to a deviation of a present position signal detected of the load from a commanded position signal dependent on the polarity of the deviation. The deviation of the added feed pulse signal from the present position signal of the load is determined, and a drive signal for driving the load is derived from a deviation signal indicative of the last-mentioned deviation. A drive source for driving the load is controlled with the deviation signal.

REFERENCES:
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patent: 4052642 (1977-10-01), Speth et al.
patent: 4099113 (1978-07-01), Hayashi
patent: 4195337 (1980-03-01), Bertrano et al.
patent: 4338659 (1982-07-01), Kurakake
patent: 4549261 (1985-10-01), Mouhamed
patent: 4604681 (1986-08-01), Sakashita

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