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
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Study on the Mechanism of Energy Dissipation in Hemispherical Resonator Gyroscope
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 +5 more sources
Adaptive compensation of damping asymmetry in whole-angle hemispherical resonator gyroscope [PDF]
AIP Advances, 2020 Damping asymmetry is one of the most important factors that determines the performance of the hemispherical resonator gyroscope. In this paper, the error mechanism of damping asymmetry in the Whole Angle (WA) mode is investigated, and an adaptive ...
Yulie Wu +2 more
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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
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Recent Advances in MEMS-Based 3D Hemispherical Resonator Gyroscope (HRG)—A Sensor of Choice
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
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Effect of Uneven Electrostatic Forces on the Dynamic Characteristics of Capacitive Hemispherical Resonator Gyroscopes [PDF]
Sensors, 2019 The hemispherical resonator gyroscope (HRG) is a typical capacitive Coriolis vibratory gyroscope whose performance is inevitably influenced by the uneven electrostatic forces caused by the uneven excitation capacitance gap between the resonator and outer
Zeyuan Xu +3 more
doaj +5 more sources
Comparative Noise Analysis of Readout Circuit in Hemispherical Resonator Gyroscope
MicromachinesIn high-precision Hemispherical Resonator Gyroscope (HRG) control systems, readout circuit noise critically determines resonator displacement detection precision.
Zhihao Yu +5 more
doaj +3 more sources
Identification and correction of phase delay errors for hemispherical resonator gyroscopes
Scientific ReportsThe phase-delay error of the circuit system is the primary source of the output error observed in the hemispherical resonator gyroscope (HRG). Additionally, the temperature-dependent nature of the phase-delay error results in a deterioration of the ...
Youhuan Ning +4 more
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OPTIMIZATION OF HEMISPHERICAL RESONATOR GYROSCOPE STANDING WAVE PARAMETERS
Научный вестник МГТУ ГА, 2017 Traditionally, the problem of autonomous navigation is solved by dead reckoning navigation flight parameters (NFP) of the aircraft (AC). With increasing requirements to accuracy of definition NFP improved the sensors of the primary navigation information:
O. S. Khalyutina
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Design and Fabrication of Hemispherical Shell Resonator by Glass Blowing Method [PDF]
Journal of Electrical and Computer Engineering Innovations, 2022 Background and Objectives: The Hemispherical Resonator Gyroscope (HRG) has been a valuable choice for the aerospace industry due to its low noise, good performance, and long lifetime.
A. Khooshehmehri +2 more
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