Results 11 to 20 of about 119 (80)

Identification and correction of phase delay errors for hemispherical resonator gyroscopes [PDF]

Scientific Reports
The 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, Changhong Wang, Boqi Xi, Zhen Tian, Boda Zhang   +4 more
doaj   +2 more sources

Comparative Noise Analysis of Readout Circuit in Hemispherical Resonator Gyroscope [PDF]

Micromachines
In high-precision Hemispherical Resonator Gyroscope (HRG) control systems, readout circuit noise critically determines resonator displacement detection precision.
Zhihao Yu, Libin Zeng, Changda Xing, Lituo Shang, Xiuyue Yan, Jingyu Li   +5 more
doaj   +2 more sources

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, Guoxing Yi, Meng Joo Er, Chao Huang   +3 more
doaj   +2 more sources

Decreasing Frequency Splits of Hemispherical Resonators by Chemical Etching [PDF]

Sensors, 2018
The hemispherical resonator gyroscope (HRG) has attracted the interest of the world inertial navigation community because of its exceptional performance, ultra-high reliability and its potential to be miniaturized.
Yuting Wang, Yao Pan, Tianliang Qu, Yonglei Jia, Kaiyong Yang, Hui Luo   +5 more
doaj   +2 more sources

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

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

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, A. Eslami Majd, S. Hosseini   +2 more
doaj   +1 more source

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

Study on the Mechanism of Energy Dissipation in Hemispherical Resonator Gyroscope [PDF]

Sensors
Lishan Yuan, Zhennan Wei, Wang Changhong   +2 more
exaly   +2 more sources

Research on the Time‐Domain Measurement Method of Low‐Frequency Splitting for Hemispherical Resonator

Journal of Sensors, Volume 2021, Issue 1, 2021., 2021
The measurement of resonator’s frequency splitting is a critical issue in vibratory gyroscopes, which would be elaborately treated in practical applications. The high‐precision measurement of frequency splitting plays a significant role in frequency tuning control.
Shaoliang Li, Hao Yang, Wanliang Zhao, Rui Qu, Jie Duan, Yijie Rong, Xin Jin, Chaojiang Li, Vasilios N. Katsikis   +8 more
wiley   +1 more source

The Analysis and Simulation with the Fatigue Life of Hemispherical Resonator Gyro

Journal of Sensors, Volume 2021, Issue 1, 2021., 2021
The life and damage of hemispherical resonator are important factors that directly affect the service time and safety of high‐precision hemispherical resonator gyro. However, the fused silica glass material used in the hemispherical resonator which was processed in China is mainly imported, and it is too expensive to use the traditional fatigue life ...
Lijun Song, Jiayao Ni, Lei Zhou, Wangliang Zhao, Shaoliang Li, Minghui Lu, Li Shuai   +6 more
wiley   +1 more source