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 +6 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, Bobae Cho, Taeil Yoon
exaly +4 more sources
Design and Verification of a Digital Controller for a 2-Piece Hemispherical Resonator Gyroscope [PDF]
Sensors, 2016 A Hemispherical Resonator Gyro (HRG) is the Coriolis Vibratory Gyro (CVG) that measures rotation angle or angular velocity using Coriolis force acting the vibrating mass.
Jungshin Lee, Sung Wook Yun
exaly +4 more sources
Design and Optimization of Hemispherical Resonators Based on PSO-BP and NSGA-II [PDF]
Micromachines, 2023 Although one of the poster children of high-performance MEMS (Micro Electro Mechanical Systems) gyroscopes, the MEMS hemispherical resonator gyroscope (HRG) is faced with the barrier of technical and process limits, which makes it unable to form a ...
Jinghao Liu +7 more
doaj +2 more sources
Influence Mechanism of Quantization Error on the Key Parameters of the Whole-Angle Hemisphere Resonator Gyroscope [PDF]
MicromachinesThe whole-angle hemispherical resonator gyroscope (WA-HRG) is critical to high-precision attitude control and navigational positioning, boasting significant deployment potential in both highly dynamic inertial navigation systems and industrial ...
Xiuyue Yan +7 more
doaj +2 more sources
High sensitivity rate-integrating hemispherical resonator gyroscope with dead area compensation for damping asymmetry [PDF]
Scientific Reports, 2021 The rate-integrating gyroscope (RIG) operation is considered as the next generation architecture for hemispherical resonator gyroscopes (HRGs) with advantages of direct angle measurement and unlimited dynamic range.
Wanliang Zhao +4 more
doaj +2 more sources
Compensation of Temperature-Induced Bias Drift in Hemispherical Resonator Gyroscopes: An Inherent Data-Driven Architecture [PDF]
MicromachinesTo address the bias drift problem and hysteresis phenomenon of hemispherical resonator gyroscope (HRG) under temperature change, a temperature drift compensation method based on internal parameters is proposed.
Xiaocong Zhou +3 more
doaj +2 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 +2 more sources
A Novel Closed-Loop Single-Channel Time Division Multiplexing Detection Circuit for Hemispherical Resonator Gyroscope [PDF]
MicromachinesThe vector control method is applied to a whole angle hemispherical resonator gyroscope (HRG). The detection and control of the resonator vibration state are implemented using orthogonal X/Y channels. However, the performance of the HRG is limited by the
Qi Wang +4 more
doaj +2 more sources
Torque-Dependent Anchor Loss and Fourth-Harmonic Damping Anisotropy in Coriolis Vibratory Gyroscopes [PDF]
SensorsThe quality factor (Q) and its circumferential non-uniformity are essential for the resolution and long-term stability of Coriolis vibratory gyroscopes (CVGs).
Ning Wang +4 more
doaj +2 more sources