Low-cost Attitude-control MEMS IMU

Low-Cost Attitude-Control MEMS IMU

ER-MIMU-04 (1 deg/hr)
1. Gyro bias instability: 1 deg/hr;
2. Low cost and small size;
3. 3 axis gyroscope & 3-axis accelerometer

Low-Cost Attitude-Control MEMS IMU

Low-cost Attitude-control MEMS IMU

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    Low-Cost Attitude-control MEMS IMU 

    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-04 uses MEMS accelerometer and gyroscope with high quality and reliability, RS422 and external communication, baud rate can be flexibly set between 9600~921600, 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 areas
    Azimuth, attitude, position measuring and keeping In GNSS-assisted INS
    Heading, pitch, roll measuring In AHRS for UAV
    Motion survey and keeping in MRU
    Attitude & azimuth keeping, positioning in IMU
    Guidance, navigation, control in tactical MEMS weapon system
    Stabilizing & Pointing in satellite antenna,target tracking system
    Robotic Control & Orientation in Autonomous machines, Unmanned vehicles


    Gyro performance
    Input Range400dps
    Scale factor20000LSB/°/s
    Scale factor non-linearity200ppm
    Scale factor temp drift (1б)500ppm
    Bias Instability1deg/hr
    Bias stability (10s 1σ)5deg/hr
    Bias stability (1s 1σ)15deg/hr
    Angular Random Walk0.25°/√h
    Bias Run-Run (1σ)5deg/hr
    Accelerometer performance
    Nonlinearity0.11.3% FSR
    Cross Axis Sensitivity11%
    Bias Repeatability55mg
    Bias Temp Coefficient<0. 5<0. 5mg/°C
    Factor Scale Repeatability<0.10.2%
    Factor Scale Temp Coefficient±0.01±0.01%/°C
    Factor Scale19.578μg/LSB
    System Performance
    Supply Voltage5v
    Supply Consumption1w
    Vibration6.06g (10~2000Hz)
    Shock5000g, 0.1ms
    Operate Temp-40℃~+ 80℃
    Storage Temp-55℃~ + 105℃
    Size43.2 mm×43.2 mm× 35mm

    Application Techniques

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