Magnetic Sensitivity of FOG IMU
Inertial measurement unit (IMU) is the key of position and attitude system to obtain high-precision position and attitude information and realize…
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Research on orthogonal monitoring technology of north finder
North finder can provide accurate heading information for the carrier, and plays an important role in many fields such as national…
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Factors Affecting the Stability of Q-Flex Accelerometers
The quartz flexible accelerometer is one of the key sensitive components in inertial navigation systems, and its measurement error directly affects…
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Error Generation Mechanism of MEMS Gyroscope Under High Acceleration Condition
With the continuous improvement of MEMS sensor, the advantages of small size and light weight of MEMS gyroscope have been further…
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Application of gyro-theodolite orientation in shaft contact measurement
The use of gyro-theodolite orientation for shaft joint surveying has significant advantages. Not only does it not require occupying the shaft,…
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Research on temperature compensation technology of 3D electronic compass
Electronic compass is widely used in attitude measurement because of its advantages of low cost, low power consumption, small size and…
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Structure Design of High Precision Quartz Flexible Accelerometer
The stability of scale factor and zero bias of Q-Flex accelerometers is crucial in assessing the performance of accelerometers. During the measurement of…
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Interferometric Fiber Optic Gyro
1. Interferometric fiber optic gyro The linear relationship between the spin rate and the output of the fiber optic gyroscope can…
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Fluxgate Directional Assembly: The Working Principle of Fluxgate
Fluxgate directional assembly is an important component used in MWD, and fluxgate sensor is its core element. Fluxgate sensors are typically…
Full ArticleAccurate Alignment Method for Gyro Theodolite Calibration System
The gyro theodolite is an instrument that uses inertia to autonomously seek north. Its principle is to automatically find and track the…
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