Seam tracking between mating parts

Details Seam tracking between mating parts Seam tracking between mating parts

1989-03-20

1990-05-01

Shaw, Clifford C.

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

21912434, G05B 1933, B23K 912

Patent

active

049221744

ABSTRACT:
A rough taught tentative seam track is refined using the electronic image of a matrix camera. The sensed image is rotated perpendicular to the tentative track. A horizontal row of pixels is processed with a filter to enhance the seam and reject other signals. Weighted voting of various features aids in selection of the proper seam image and its location. Offset is applied to the tentative track to provide a true track.

REFERENCES:
patent: 4542279 (1985-09-01), Case, Jr. et al.
patent: 4568816 (1986-02-01), Casler, Jr.
patent: 4593173 (1986-06-01), Bromley et al.
patent: 4595820 (1986-06-01), Richardson
patent: 4737614 (1988-04-01), Richardson

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