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Implementation Of Micro Hemisphere Resonant Gyro (mHRG) Inertial Sensor Assembly
Dec 04, 2018

The Hemispherical Resonator Gyro (HRG) demonstrates its high reliability in space applications with 30 million hours of run time and 100% mission completion. The Advanced Navigation Systems Division of Nog is developing a small-sized, low-quality ground inertial sensor assembly (ISA) based on HRG technology. This will be at the heart of future Nog's Inertial Measurement Unit (IMU) and Inertial Navigation System (INS) product lines.


The HRG-based Scalable Space Inertial Reference System (SSIRU) makes HRG a place in the inertial navigation market. In this market, the HRG Space Gyroscope 130P is characterized by its high performance (angle random walk: 0.00002 (o) / h), high reliability (more than 30 million hours of gyroscope running time without mission failure) and durability ( The impact resistance is better than 3000 g and the anti-random vibration capability is better than 18 Grms. It is the best choice for high-value important tasks.


Although HRG's current target is the space market, the principles of HRG technology enable it to expand the market to the land market. Nog is currently undergoing this transformation, and the company is advancing the development of the new mHRG, mHRG ISA and interference self-calibration technology.

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