Low Cost MEMS Inertial Measurement Unit

Low Cost MEMS Inertial Measurement Unit

ER-MIMU-08 (≤1°/h) Features:
1. Measuring range ±400º/s;
2. Bias instability ≤1°/h;
3. Small Volume.

Low Cost MEMS Inertial Measurement Unit

Low Cost MEMS Inertial Measurement Unit

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    Low Cost MEMS Inertial Measurement Unit

    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-08 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
    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

    Features
    Volume: 38.6mm x 44.8mm x25.5mm;
    6V power supply, low power consumption 2W;
    Light weight: ≤60g;
    Products include X, Y, Z three axis MEMS gyro and X, Y, Z three axis MEMS accelerometer;
    RS422 bus communication, baud rate from 230400~921600 can be set.

    Specifications

    ItemParameter
    Gyro Performance
    Range±400°/s
    Bandwidth200Hz
    Scale factor20000
    Scale Factor Non-linearity≤200ppm
    Scale factor temp drift (1б)500 ppm
    Bias instability≤1°/h
    Bias Stability (10s,1σ)≤5°/h
    Bias Stability (1s,1σ)≤15°/h
    Bias Repeatability≤5°/h
    Bias temp drift (1б)50°/h
    Accelerometer Performance
    Range1040g
    Nonlinearity0.11.3% FSR
    Cross Axis Sensitivity11%
    Bandwidth2.42.4Hz
    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 Scale800000200000μg/LSB
    System Performance
    Supply Voltage6~12V
    Supply Consumption2W
    InterfaceRS422
    Vibration6.06g (10~2000Hz)
    Shock5000g, 0.1ms
    Operate Temp-40℃~+ 85℃
    Storage Temp-55℃~+ 105℃
    Weight≤60g
    Size38.6mm x 44.8mm x25.5mm

    Application Techniques

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