Line or pattern following system having an annular array of...

Details Line or pattern following system having an annular array of... Line or pattern following system having an annular array of...

G - Physics

06

K

340/134.2

G06K 11/02 (2006.01) B23Q 35/128 (2006.01)

Patent

CA 1227260

ABSTRACT This disclosure deals with a line or pattern following system for use with a machine including first and second motors for moving a device in first and second generally perpendicular directions. The system includes an array of light sensitive elements arranged at angularly juxtaposed positions, the array being positioned adjacent said line or pattern. An image of the line or pattern falls on the array and makes an angle .theta. with reference point on the array. The system further includes means for sequentially scanning the outputs of the elements, and angle means responsive to said outputs and to said reference point for generating first and second signals. The first signal is a function of sin .theta. and is connected to control energization of the first motor, and the second signal is a function of cos .theta. and is connected to control energization of the second motor. The two motors, thus energized, produce relative motion of the array and the line or pattern, and move the array to follow the line or pattern.

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