What is IMU?
An inertial measurement unit (IMU) is a device that measures the three-axis attitude angle and acceleration of an object. Normally, an IMU contains three…
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What Is A Global Navigation Satellite System?
Global navigation satellite system positioning uses pseudo-range, ephemeris, satellite launch time and other observations of a group of satellites, and…
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How is fiber optic gyroscope made
Sagnac theory, interference theory. The main point of Sagnac's theory is this: when the light beam travels in a ring-shaped channel, if the ring channel…
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What Are The Components Of Accelerometers?
Housing (fixed to the measured object), reference quality, sensitive components, signal output, etc. Accelerometers require a certain range and accuracy,…
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How Does The Inertial Navigation System Calculate The Position Of The Aircraft?
In 1954, the inertial navigation system was successfully tested on an airplane. In 1958, the "Nautilus" submarine sailed under ice for 21 days through…
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Can High-precision MEMS Gyroscope Replace Optical Fiber Gyroscope
In recent years, MEMS inertial sensors have developed rapidly and their accuracy has been continuously improved. Although the accuracy is still far from…
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Where can the DTG be used?
Dynamically tuned gyroscopes have comprehensive advantages in terms of accuracy, reliability, small size, life, and cost. At present, it has been widely…
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How Does A Quartz Accelerometer Work?
The yoke is composed of soft magnetic materials with low temperature coefficient and good magnetic permeability. The magnetic steel is processed with a…
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China’s first high-prototype unmanned helicopter makes its first successful flight
Recently, the AR500C, the first high-prototype unmanned helicopter independently developed by China, successfully flew for the first time in Poyang,…
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What causes the FOG measurement error?
The causes of FOG measurement errors also include: a. Faraday effect. For example, the typical value of the measurement error caused by the earth's…
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What is a micro-resonant accelerometer?
Resonant accelerometer, Silicon Oscillating Accelerometer, referred to as SOA. The sound frequency of a string is different when the tension is different.…
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What Is A Fluid Floated Gyroscope?
Suspend the gyro frame assembly with high-density liquid. The Archimedes principle is used to make the buoyancy of the floating liquid completely overcome…
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What Is The Error Of The Gyrocompass?
Latitude error or damping error Cause: Caused by the vertical damping method. Elimination method: (1) External compensation method-calculate the size and…
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What Is The Principle Of high-Precision Quartz Accelerometer
The yoke is composed of soft magnetic materials with low temperature coefficient and good magnetic permeability. The magnetic steel is processed with a…
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What Is AHRS?
AHRS refers to the attitude and attitude reference system. It includes multiple axial sensors that can provide the aircraft with heading, roll, and roll…
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Where Can Gyroscopes Be Used?
The gyroscope has an important role in life and military fields. It can be seen from a mobile phone to a satellite. Aircraft attitude control is an…
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What Is The Process Of MEMS Accelerometer?
The processes of capacitive MEMS accelerometers generally use: surface process, bulk silicon process, LIGA process and SOI + DRIE process, etc. Surface…
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What is a gyrocompass?
The gyrocompass is an inertial device that does not depend on external information such as sound, light, electricity, and magnetism to autonomously search…
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What Is The Choice Of MEMS Accelerometer Material?
MEMS accelerometers use more materials, and different parts are likely to use different materials. For example, the substrate material used as a…
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What Is The Principle Of MWD?
MWD is a wireless measurement while drilling system powered by a downhole turbine generator. The instrument is based on a fixed encoding of the downhole…
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