Results 31 to 40 of about 980 (262)

3D-MODELING OF QUARTZ GLASS SENSORY ELEMENTS OF HEMISPHERICAL RESONATOR GYRO AND PENDULUM ACCELEROMETER [PDF]

Научно-технический вестник информационных технологий, механики и оптики, 2019
Subject of Research. The paper considers physical processes occurring in sensory elements of angular rate and apparent acceleration measuring devices, such as hemispherical resonator gyro and pendulum accelerometer. Inertial masses of the studied sensory
D. S. Gnusarev, E. A. Deputatova, V. V. Skorobogatov   +2 more
doaj   +2 more sources

Microlaser from Self-Assembled Hemispherical Resonator [PDF]

Conference on Lasers and Electro-Optics 2012, 2012
High quality Whispering Gallery Mode lasing from dye-doped hemispherical microresonator formed by hydrophobic effect is presented. Owing to a simple fabrication, doping flexibility, our finding boosts a convenient implementation of microlasers.
Ta, Van Duong, Chen, Rui, Sun, Handong
openaire   +3 more sources

Dynamic Modeling for Hemispherical Resonator Gyro by Using Lagrangian Mechanics

Journal of Harbin University of Science and Technology, 2017
As an essential element of inertial technology，hemispherical resonator gyro(HRG)has become a prior choice of space applications. Dynamic modeling for HRG is the foundation of explicit analysis for HRG’s the- pries.
jin Xiu, MAN Chun-tao
doaj   +2 more sources

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

Influence Mechanism of Quantization Error on the Key Parameters of the Whole-Angle Hemisphere Resonator Gyroscope [PDF]

Micromachines
The 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, Jingyu Li, Pengbo Xiao, Tao Xia, Xingyuan Tang, Yao Pan, Kaiyong Yang, Hui Luo   +7 more
doaj   +2 more sources

Laser-Assisted Diamond Cutting for Low-Damage Fabrication of High-Q CaF₂ Whispering-Gallery Mode Resonators [PDF]

Micromachines
Calcium fluoride (CaF2) crystals are an ideal material for fabricating high-quality whispering-gallery-mode (WGM) optical resonators. However, their hard and brittle nature make it difficult to achieve low-damage, ultra-smooth surfaces through ...
Rongbiao Yang, Tao Jia, Jiamin Rong, Huanfei Wen, Zhidong Xu, Zihan Song, Enbo Xing, Jun Tang, Jun Liu   +8 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

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

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

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

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