How Do Fluxgate Directional Assembly work in MWD

Fluxgate directional assembly is an important part of MWD, which is mainly composed of three-axis accelerometers and three-axis fluxgate sensor. It is…

Temperature Drift and Compensation Method of FOG Gyro

FOG gyro, as a new high-precision angular rate measuring instrument, has many advantages such as small size, high reliability and long…

Application of Gyro Theodolite Orientation in Mine Surveying

1.Characteristics and working principle of gyro-theodolite The gyro theodolite uses the axial fixation and precession of the gyro motor when rotating at…

Modeling and filtering in signals collected by FOG north seekers

North seekers generally use gyroscopes and accelerometers to statically seek north through a multi-position method. Errors in gyroscopes and accelerometers can be…

Fig.4 ER-QA-03C Quartz Accelerometer for Aerospace

Analysis of Temperature Characteristics of Quartz Flexible Accelerometer

The quartz flexible accelerometer belongs to the force balance pendulum structure accelerometer, and its performance indicators can meet the requirements of most…

High Precision Navigation MEMS Gyroscope

Impact resistance technology of MEMS gyroscope

Impact is one of the most important factors affecting the reliability of MEMS gyroscope. Different from mechanical vibration stress, its acceleration amplitude…

Full-Attitude-Three-Dimensional-Electronic-Compass

Soft Magnetic Error Compensation Method of Electronic Compass

1. Analysis of soft magnetic error of electronic compass There is another ferromagnetic substance in the working environment of the electronic…

High Performance North Seeking MEMS Gyroscope

Research on driving mode of MEMS gyroscope

MEMS gyroscope is the third generation gyro in the history of gyro development. It has the advantages of small size, light weight,…

Effect of latitude on gyroscopic theodolite

Introduce The gyro-theodolite is a precision directional instrument that is widely used in mining, surveying and mapping and other fields. The pendulum…