ER-MIMU-02 High Performance Navigation MEMS IMU
Introduction
Inertial Measurement Unit, referred to as IMU, is a device to measure the attitude angle (or angular velocity) and acceleration of the three axis of the object. Gyroscope and accelerometer are the core devices of inertial navigation system (INS). With the built-in accelerometer sensor and gyroscope, the IMU can measure the linear acceleration and rotation angular velocity from three directions and can obtain the attitude, velocity and displacement information of the carrier through the resolving.
ER-MIMU-02 uses MEMS accelerometer and gyroscope with high quality and reliability, RS422 and external communication, baud rate can be flexibly set between 230400~921600, through the communication protocol to set the user's required communication baud rate. With X, Y, Z three-axis precision gyro, X, Y, Z three-axis accelerometer with high resolution, can be output by RS422 X, Y, Z three axis of gyroscope and accelerometer's original hexadecimal complement data (including gyro hexadecimal complement the numerical temperature, angle, the accelerometer hexadecimal temperature, the acceleration hexadecimal complement number); It can also output float dimensionless values of the gyroscope and accelerometer processed by the underlying calculation.
Application
Antenna and Line of Sight Stabilization Systems
Integrated Navigation Systems & Inertial Guidance System
Flight Control & Guidance System
Attitude Heading Reference Systems (AHRS)
Stabilization of Antennas, Cameras & Platforms
Aerial and Marine Geo-mapping / Surveying
Specifications
| Item | Parameter | Unit |
| Gyro performance | ||
| Range | 400 | deg/s |
| Bandwidth (-3dB) | 100 | Hz |
| Scale Factor at 25°C | 20000 | LSB/deg/s |
| Scale Factor Repeatability (1σ) | <20 | ppm |
| Scale Factor VS Temperature (1σ) | 100 | ppm |
| Scale Factor Non-Linearity (1σ) | 100 | ppm |
| Bias Instability | 0.05 | deg/hr |
| Bias stability (10s 1σ) | <0.5 | deg/hr |
| Angular Random Walk | <0.025 | °/ √h |
| Bias error over temperature (1σ) | 3 | deg/hr |
| Bias temperature variations, calibrated (1σ) | <0.5 | deg/hr |
| Bias Run-Run (1σ) | <0.3 | deg/hr |
| Accelerometer performance | ||
| Range | 30 | g |
| Bandwidth | 100 | Hz |
| Bias Stability (1s) (1σ) | <30 | ug |
| Bias Repeatability | 200-500 | ug |
| Bias Temp Coefficient | <20 | ug/℃ |
| Bias Temp Hysteresis | <0.5 | mg |
| Factor Scale Non-linearity | <500 | ppm |
| Factor Scale Repeatability | <300 | ppm |
| Factor Scale Temp Coefficient | 10 | ppm/℃ |
| Class II Non-linearity Coefficient | <100 | ug/g2 |
| Factor Scale | 400000-800000 | μg/LSB |
| System Performance | ||
| Supply Voltage | 6~12V | |
| Supply Consumption | 2W | |
| Interface | RS422 | |
| Vibration | 6.06g (10~2000Hz) | |
| Shock | 5000g, 0.1ms | |
| Operate Temp | -40℃~ + 80℃ | |
| Storage Temp | -55℃~ + 105℃ | |
| Weight | ≤100g (without shell)
≤220g (with shell) |
|
| Size | 43.2mm*43.2mm*35.5mm (without shell)
65mm*70mm*45.5mm (with shell) |
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Application Techniques
1.IMU working principle & Tactical grade IMU product recommendations
3.Choosing an IMU: FOG IMUs vs MEMS IMUs
4.Application of IMU in the Field of Drones
5.What is the Difference Between IMU and AHRS?
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