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The Hemispherical Resonator Gyro: From Wineglass to the ...

The Hemispherical Resonator gyro : From Wineglass to the Planets David M. Rozelle Sr. Research Scientist, Northrop Grumman Co, Navigation Systems Division, 21240 Burbank Blvd, Woodland Hills, CA 91367, 1 Small size, low noise, high performance and no wear-out has made the Hemispherical Resonator Gyroscope (HRG) the choice for high value space missions. After 14 years of production the HRG boasts over 12-million operating gyro -hours in space with 100% mission success. But to get to this point has been a struggle. This paper will describe the HRG s elegant simplicity in design and operation and trace its genealogy from concept to the future. Its versatility will be shown by its use for spacecraft stabilization, precision pointing, aircraft navigation, strategic accuracy systems, oil borehole exploration and planetary exploration.

The Hemispherical Resonator Gyro: From Wineglass to the Planets . David M. Rozelle † † Sr. Research Scientist, NorthropGrumman Co, Navigation Systems Division, 21240 Burbank Blvd, Woodland Hills, CA 91367, david.rozelle@ngc.com.

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  Resonators, Northropgrumman, Hemispherical, The hemispherical resonator gyro, Gyro

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