Two-dimensional pointing motor

Details Two-dimensional pointing motor Two-dimensional pointing motor

1991-07-17

1993-04-20

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 68R, 310 91, 310154, 310156, 248183, 901 23, H02K 300

Patent

active

052045730

ABSTRACT:
A 2-D pointer motor provides for panning (sideways actuate motion) and tilt (yaw motion) and may be made smaller than one-cubic inch. The motor is preferably controlled by a microcomputer based controller using pulse-width modulation (PWM) to separately control each of its three coils. The coils are arranged orthogonally to provide a single unified torque vector which turns the rotor and accurately points it in the desired directions. The motor is especially adapted to carry a sensor such as a CCD array.

REFERENCES:
patent: 3178600 (1965-04-01), Bers
patent: 3875488 (1975-04-01), Crocker
patent: 4316394 (1982-02-01), Dohogne
patent: 4398878 (1983-08-01), Cole
patent: 4785212 (1988-11-01), Downer
patent: 4862050 (1989-08-01), Parfomak
patent: 4868434 (1989-09-01), Hayashi
patent: 4961352 (1990-10-01), Downer
"Spherical Electric Motors", by A. Miles, IEEE Potentials, Oct. 1990, No. 0278-6648/90/00/0010-0647.

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