Dither controller for ring laser angular rotation sensor

Details Dither controller for ring laser angular rotation sensor Dither controller for ring laser angular rotation sensor

H - Electricity

01

S

345/10

H01S 3/083 (2006.01) G01C 19/68 (2006.01) G01C 19/70 (2006.01)

Patent

CA 1236204

Abstract of the Disclosure Apparatus and method for dithering ring laser angular rotation sensors, including a plurality of such sensors with substantially identical natural dither frequencies and having different sensor axes mounted upon a resilient structure; applying energy to dither such sensors; the energy being connected and disconnected from the dithering of each sensor in response to the amplitude of dither of that particular sensor to minimize lock-in; and frequency or phase modulating the energy applied to dithering to avoid continued uni-directional coning effects.

441859

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