Results 21 to 30 of about 158 (104)

Research on Bell-Shaped Vibratory Angular Rate Gyro’s Character of Resonator

Sensors, 2013
Bell-shaped vibratory angular rate gyro (abbreviated as BVG) is a new type Coriolis vibratory gyro that was inspired by Chinese traditional clocks. The resonator fuses based on a variable thickness axisymmetric multicurved surface shell.
Hong Liu, Ning Liu, Mengyin Fu, Qing Li, Zhong Su   +4 more
doaj   +2 more sources

High-Precision Simulation Analysis of Modal Characteristic Parameters of Hemispherical Resonator

Applied Sciences
As a high-precision inertial device, the hemispherical resonant gyroscope (HRG) has found widespread application in critical domains including aerospace and tactical weapons, owing to its advantages of high precision, simple structure, and long service ...
Yuqian Zhao, Qingheng Liu, Junfeng Liu, Wenhui Chen, Nan Huang   +4 more
doaj   +2 more sources

The Recent Progress of MEMS/NEMS Resonators

Micromachines, 2021
MEMS/NEMS resonators are widely studied in biological detection, physical sensing, and quantum coupling. This paper reviews the latest research progress of MEMS/NEMS resonators with different structures.
Lei Wei, Xuebao Kuai, Yidi Bao, Jiangtao Wei, Liangliang Yang, Peishuai Song, Mingliang Zhang, Fuhua Yang, Xiaodong Wang   +8 more
doaj   +2 more sources

A Novel Closed-Loop Single-Channel Time Division Multiplexing Detection Circuit for Hemispherical Resonator Gyroscope

Micromachines
The 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, Weinan Xie, Boqi Xi, Hanshi Li, Guoxing Yi   +4 more
doaj   +2 more sources

Research on the Configuration Optimization of All-Metal Micro Resonant Hemisphere

Sensors
As the core component of the all-metal micro resonant gyroscope, the structural parameters and form and position errors of the resonator significantly influence its vibration characteristics, and consequently, the accuracy of the gyroscope.
Xibing Gu, Zhong Su, Xiangxian Yao, Sirui Chu   +3 more
doaj   +2 more sources

Compensation of Temperature-Induced Bias Drift in Hemispherical Resonator Gyroscopes: An Inherent Data-Driven Architecture

Micromachines
To 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, Jiaqiang Wen, Shasha Han, Chong Li   +3 more
doaj   +2 more sources

An Adaptive Multi-Population Approach for Sphericity Error Evaluation in the Manufacture of Hemispherical Shell Resonators

Sensors
The performance of a hemispherical resonant gyroscope (HRG) is directly affected by the sphericity error of the thin-walled spherical shell of the hemispherical shell resonator (HSR).
Dongfang Zhao, Junning Cui, Xingyuan Bian, Zhenghao Li, Yanxu Sun   +4 more
doaj   +2 more sources

Identification and Compensation of Detection Gain Asymmetry Errors for Hemispherical Resonant Gyroscopes in Whole-Angle Mode

Actuators
Detection gain asymmetry error is one of the primary errors of the hemispherical resonator gyroscope (HRG) in whole-angle (WA) mode. This paper analyzes the influence of detection gain asymmetry error and its coupling error with damping and stiffness ...
Ruizhao Cheng, Gongliu Yang, Qingzhong Cai, Xiaodi Yi, Yongqiang Tu   +4 more
doaj   +2 more sources

MICRO-SCALE DIAMOND HEMISPHERICAL RESONATOR GYROSCOPE

2014 Solid-State, Actuators, and Microsystems Workshop Technical Digest, 2014
P. Taheri-Tehrani, T.-H. Su, A. Heidari, G. Jaramillo, C. Yang, S. Akhbari, H. Najar, S. Nitzan, D. Saito, L. Lin, D.A. Horsley   +10 more
openaire   +2 more sources

Interference analysis and ultra-precision grinding technology of hemispherical resonator curved surface machining

Jin'gangshi yu moliao moju gongcheng, 2022
As the core device of the hemispherical resonator gyroscope (HRG), the processing accuracy and the surface quality of hemispherical resonator directly affect the working accuracy and the service life of HRG.
Henan LIU, Biao QIN, Tingzhang WANG, Jinchuan TIAN, Mingjun CHEN   +4 more
doaj   +1 more source