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Low Cost Single Antenna Mems Ins

Low Cost Single Antenna MEMS Integrated Navigation System

ER-GNSS/MINS-07
1.High reliability and low cost MEMS IMU. The working temperature is -40℃~+80℃.
2.Built-in dual-band full-system single-antenna positioning GNSS module, supporting single-antenna high-precision positioning and velocity measurement.
3.The system can provide accurate integrated navigation information, attitude up to 0.1°, heading 0.1°.

Low Cost Single Antenna MEMS Integrated Navigation System

Low Cost Single Antenna Mems Ins

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    Introduction

    ER-GNSS/MINS-07 Low Cost Single Antenna MEMS Integrated Navigation System

    Introduction
    ER-GNSS/MINS-07 is equipped with a highly reliable MEMS IMU and integrates a single-antenna full-system multi-frequency positioning satellite module. It is a low-cost single-antenna integrated navigation system.
    Equipped with a integrated navigation fusion algorithm, it can provide continuous, accurate and reliable positioning, attitude, and speed information, with attitude up to 0.1° and heading 0.1°.
    It uses a low-cost MEMS inertial measurement unit (IMU), internally integrated with a three-axis MEMS gyroscope and accelerometer, and a -40℃~+80℃ full-temperature range temperature compensation algorithm, which greatly reduces costs while ensuring core performance.
    Different from the complex structure and cost of traditional dual-antenna solutions, ER-GNSS/MINS-07 adopts a single-antenna full-system dual-frequency design to achieve high-precision positioning and speed measurement.
    The precision aluminum alloy shell has high reliability and adapts to harsh environments. It has a variety of communication interfaces and provides standardized user communication protocols to meet aviation, land and other applications.

    Feature
    The system can provide accurate combined navigation information, with attitude up to 0.1° and heading 0.1°.
    High reliability and low-cost MEMS IMU. Operating temperature -40℃~+80℃.
    Built-in single-antenna full-system multi-frequency GNSS module, supporting single-antenna high-precision positioning and speed measurement.
    Multiple data interfaces, easier to install and use, supporting RS422/RS232 and CAN.
    Precision aluminum alloy housing, high reliability, can be widely used in land and aviation.

    Application areas
    UAV, flight recorder, ADS

    Specification
    1.System parameter

    ER-GNSS/MINS-07
    Roll & Pitch 0.1°
    Heading(dynamic) 0.2°
    Heading(magnetic compass) 0.8°
    Speed accuracy 0.02 m/s
    RTK 30 sec outage Roll & Pitch Heading
    0.05° 0.1°
    Position (X/Y) Altitude (Z)
    1.0 m 0.5 m
    RTK 60 sec outage Roll & Pitch Heading
    0.1° 0.2°
    Position (X/Y) Altitude (Z)
    15 m 3 m
    Alignment Time 3 min

    2.Sensor parameter

    IMU Performance
    Item Value Unit
    Gyro range ±125、500、1000、2000 deg/s
    Gyro ARW 0.21 °/ √h
    Gyro sensitivity 4.37 @FS=±125

    17.5@FS=±500

    35.0@FS=±1000

    70.0@FS=±2000

    mdps/LSB
    Gyro Bias instability 3 °/h
    Acc Range ±2、4、8、16 g
    Acc sensitivity 0.061@FS=±2

    0.122@FS=±4

    0.244@FS=±8

    0.488@FS=±16

    mg/LSB
    Acc Bias stability 0.1 mg
    Barometer
    Parameter value Unit
    Range 10~1200 mbar
    Accuracy 25℃, 750mbar ±1.5 mbar
    Error band, -20℃~+85℃, 450~1100mabr ±2.5 mbar
    Temperature -40℃~+85℃ \
    Long-term stability ±1 mbar/year
    Magnetometer
    Range ±2 gauss
    Sensitivity 11000 LSB/G
    Temperature Sensor

    Sensitivity

    14 LSB/℃
    Field Resolution 1.2 mgauss
    X-Y-Z Orthogonality 90±1 Degree
    Satellite Receiver 
    Supported Navigation System GPS/BDS-2/BDS-3/GLONASS/Galileo/QZSS/SBAS/IRNSS
    ANT Frequency GPS: L1C/A,L2P, L2C, L5

    BDS-2: B11, B21, B31

    BDS-3: B11, B3l, B2a

    GLONASS: G1,G2

    Galileo: El,E5b, E5a

    QZSS*: L1C/A, L2C, L5

    SBAS*: L1C/A, L5

    IRNSS*: L5

    Position Accuracy (RMS) Single point positioning Horizontal 1.5m
    Altitude 3m
    RTK

     

    Horizontal ±(8+10-6×D)mm

    D represents the baseline length(mm)

    Altitude ±(15+10-6×D)mm

    D represents the baseline length(mm)

    Time accuracy (RMS) 20ns
    Speed accuracy (RMS) 0.02m/s
    First positioning time 24s
    Power & Interface
    Supply Voltage 5~12V
    Supply Consumption 3W
    Interface 1-Way RS422 or 1-Way RS232 and 1-Way CAN and 1-Way TTL (NMEA output and RTCM input)
    Environment
    Operate Temp -40℃~+80℃
    Storage Temp -55℃~+95℃
    Dimension
    Dimension 40mm*40mm*45mm

    More Technical Questions

    1. What Is GNSS-aided MEMS INS and How Does It Work?

    2. How to Improve the Performance of MEMS Inertial Navigation Systems?

    3. Full-temperature Performance Optimization Method For MEMS accelerometer

    4. Classification And Performance Improvement Of MEMS Gyroscope

    5. MEMS Accelerometer Packaging Technology

    6. Performance Analysis of GNSS RTK Timing


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