Study on the Mechanism of Energy Dissipation in Hemispherical Resonator Gyroscope [PDF]
SensorsThe hemispherical resonator gyroscope is a gyroscope based on the principle of Coriolis vibration, widely used in inertial measurement systems of spacecraft. This article decomposes the gyroscope into two parts: the resonator shell and the gyroscope head,
Lishan Yuan +2 more
exaly +7 more sources
Research of Frequency Splitting Caused by Uneven Mass of Micro-Hemispherical Resonator Gyro [PDF]
Micromachines, 2022 In practical engineering, the frequency splitting of Hemispherical Resonator Gyro (HRG) caused by uneven mass distribution seriously affects the precision of HRG. So, the inherent frequency is an important parameter of micro-Hemispherical Resonator Gyro (
Lijun Song, Xing He, Zhao Wanliang
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Recent Advances in MEMS-Based 3D Hemispherical Resonator Gyroscope (HRG)—A Sensor of Choice [PDF]
Micromachines, 2022 Macro-scale, hemispherical-shaped resonating gyroscopes are used in high-precision motion and navigation applications. In these gyroscopes, a 3D wine-glass, hemispherical-shaped resonating structure is used as the main sensing element.
Kevin W Li +2 more
exaly +5 more sources
The Synthesis Model of Flat-Electrode Hemispherical Resonator Gyro [PDF]
Sensors, 2019 The Hemispherical Resonator Gyro (HRG) is a solid-state and widely used vibrating gyroscope, especially in the field of deep space exploration. The flat-electrode HRG is a new promising type of gyroscope with simpler structure that is easier to be ...
Zhennan Wei +4 more
doaj +6 more sources
Simulation and Optimization of Hemispherical Resonator’s Equivalent Bottom Angle for Frequency-Splitting Suppression [PDF]
Micromachines, 2023 As an inertial sensor with excellent performance, the hemispherical resonator gyro is widely used in aerospace, weapon navigation and other fields due to its advantages of high precision, high reliability, and long life.
Zhiyong Gao, Xukai Ding
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Research on the Precession Characteristics of Hemispherical Resonator Gyro [PDF]
Complexity, 2021 Hemispherical Resonator Gyro (HRG) is a new type gyro with high precision, high reliability, shock resistance, no need of preheating, short start time, and long life.
Li-Jun Song +5 more
doaj +3 more sources
Implementation of Hemispherical Resonator Gyroscope with 3 × 3 Optical Interferometers for Analysis of Resonator Asymmetry [PDF]
Sensors, 2022 A hemispherical resonator gyroscope (HRG) has been implemented by using a consumer wineglass as the resonator and 3 × 3 optical interferometers as the detectors.
Myeongseop Kim +4 more
doaj +3 more sources
Effect of Ion Beam Balancing on Frequency Split for Fourth Harmonic Mass Defect of Hemispherical Resonator [PDF]
SensorsBased on the energy equation of the hemispherical resonator, this study analyzes the influence of ion beam balancing on the frequency split of the hemispherical resonator.
Boran Li, Changhong Wang, Zhen Fang
doaj +3 more sources
Temperature Drift Compensation for Hemispherical Resonator Gyro Based on Natural Frequency [PDF]
Sensors, 2012 Temperature changes have a strong effect on Hemispherical Resonator Gyro (HRG) output; therefore, it is of vital importance to observe their influence and then make necessary compensations. In this paper, a temperature compensation model for HRG based on
Wu Wenqi
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Comprehensive Performance-Oriented Multi-Objective Optimization of Hemispherical Resonator Structural Parameters [PDF]
MicromachinesThe hemispherical resonant gyroscope is the highest-precision solid-state vibration gyroscope, widely applied in aviation, aerospace, marine, and other navigation fields.
Xiaohao Liu +5 more
doaj +3 more sources