High Precision Navigation/Stable Control MEMS Gyro
Introduction
The ER-3MG-03 High Precision Navigation/Stable Control MEMS Gyro has small volume, light weight, simple structure and good reliability. The biggest function of the three-axis gyroscope is to “measure the angular velocity to judge the motion state of the object, so it is also called a motion sensor”. In other words, this thing can let our equipment know where we are and where we are going.
Application
Construction machinery dip angle measurement, angle control, pylon operation monitoring, medical equipment angle control, satellite antenna star search, bridge, tall building, tower, dam monitoring and rock and soil monitoring, mining, attitude/heading reference system, integrated inertial navigation.
Specifications
| Parameter | ER-3MG-03 | Unit |
| Range | 400 | deg/s |
| Bandwidth (-3dB) | 250 | Hz |
| Scale factor at 25°C | 16000 | lsb/deg/s |
| Scale factor repeatability (1σ) | <50 | ppm |
| Scale factor vs temperature (1σ) | 300 | ppm |
| Scale factor non-linearity (1σ) | <300 | ppm |
| Bias instability | <0.3 | deg/hr |
| Bias stability (10s 1σ) | <3 | deg/hr |
| Angular random walk | <0.15 | °/ √h |
| Bias run-run (1σ) | <1 | deg/hr |
| Size | 43.2mm*43.2mm*35.5mm (without shell) 65mm*70mm*45.5mm (with shell) | |
| Weight | ≤100g (without shell) ≤220g (with shell) | |
Application Techniques
1.Main features of MEMS gyroscope
2.The materials and structure of MEMS gyroscope
3.System error and calibration of MEMS gyroscope
4.The impact of turntable error on MEMS gyroscope calibration
5.The analysis of damping in MEMS gyroscope
6.Error Generation Mechanism of MEMS Gyroscope Under High Acceleration Condition
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