Sun-sensing guidance system for high-altitude aircraft

Details Sun-sensing guidance system for high-altitude aircraft Sun-sensing guidance system for high-altitude aircraft

1980-03-12

1982-04-27

Basinger, Sherman D.

Aeronautics and astronautics

Aircraft control

Automatic

244168, 244190, 318580, G05D 100, B64C 1320

Patent

active

043266851

ABSTRACT:
A sun-sensing guidance system (10) for high-altitude aircraft (A) characterized by a disk-shaped body (14) mounted for rotation aboard the aicraft in exposed relation to solar radiation and having a plurality of mutually isolated chambers (28a, 28b, 32a, and 32b); each chamber of the plurality being characterized by an opening having a photosensor (34a, 34b, 36a, and 36b) disposed therein and arranged in facing relation with the opening for receiving incident solar radiation and responsively providing a voltage output, said photosensors being connected in paired relation through a bridge circuit (38) for providing heading error signals in response to detected imbalances in intensities of solar radiation incident on the photosensors of either pair of photosensors until a nulled relationship is achieved for the disk (14) to the source of radiation.

REFERENCES:
patent: 2921757 (1960-01-01), Honle
patent: 3780966 (1973-12-01), Newcomb, Jr. et al.

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