Imu Sensors Applied in Robotics Applications

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Product origin: Nanjing, Jiangsu, China
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Description
IMU488M Hight Performance Inertial Measurement Unit 


Main Features
- Precision 10 DoF MEMS Inertial Measurement Unit
- Dynamic Range: Gyro ±450°/s, Acc ±16g
- Bias Stability: Gyro: 1°/h, Acc 30μg (Allan)
- Full Temperature Range Accuracy Assured: Built-in
High Performance Temperature Calibration and
Compensation Algorithm
- High Bandwidth, SPI Sampling Rate up to 2000Hz
- Working Temperature: -40~+85°C



Brief Introduction
IMU488M Inertial Measurement Unit is a high performance tactical grade MEMS Inertial Measurement Unit, which MEMS gyroscope enjoys 1°/h (Allan) bias stability and MEMS accelerometer enjoys 30μg (Allan) bias stability, and it can output precise 3-axis outputs of angular rate, 3 axis acceleration data, 3 axis magnetometer data, and barometer data, etc.
IMU488M Inertial Measurement Unit adopts latest MEMS technology and advanced MEMS components, and IMU488M has been produced in bulk, which reduces the cost deeply. IMU488M enjoys excellent measurement performance, small size, light weight, and high reliability and robustness, it can output precise measurement data in harsh environment, and it has been widely applied in tactical unmanned aerial vehicles, intelligent driving, surface vehicle, platform stabilization, precise guided bomb, industrial robotics, etc.


Technical Specifications
  
Parameter          Test ConditionValueUnit
MinTypicalMax
Gyroscopes
Dynamic Range  ±450 °/s
Bias StabilityAllan variance  1 °/h 
10s average (-40~+85°C, fixed temp.)    
Radom Walk  0.1 º/√h
Bias Repetition  4 °/h 
BaisBias change at full temp. range1 ±0.04 °/s
Bias change in vibration conditions2 6 °/h 
Scale Factor Nonlinearity  100 ppm
Resolution  3.052*10-7 º/s/LSB
Bandwidth  200 Hz
Accelerometer
Dynamic Range  ±16 g
Bias StabilityAllan variance  0.030.045mg
10s average (-40~+85°C, fixed temp.) 0.06 mg
Radom Walk  0.01 m/s/√h
Bias Repetition  0.06 mg
Scale factor nonlinearity  100 ppm
Resolution  1.221*10-8 g/LSB
Bandwidth  200 Hz
Magnetometer 
Dynamic Range ±2  Gauss
Resolution  120 uGauss
Noise RMS10Hz 50 uGauss
Bandwidth  200 Hz
Barometer
Pressure Range 450 1100mbar
Resolution  0.1 mbar
Absolute Accuracy  1.5 mbar
Communication Interface
1 Channel SPIBaud rate  25MHz
1 Channel UARTBaud rate 230.4 Kbps
Sampling RateSPI 2000 Hz
UART 200 Hz
Electronic Characteristics
Voltage 33.33.6V
Power Consumption   1.5W
Ripple Wave P-P  100mV
Physical Characteristics
Dimension  47*44*14 mm
Weight  50 grams
Working Environment
Working Temperature -40 85°C
Storage Temperature -45 105°C
Vibration Resistance  20~2000Hz, 6.06g  
Shock Resistance  1000g, 0.5ms  
Reliability
MTBF  20000 h
Continuous Working Time  120 h
1: The bias value is calculated based on the whole temperature change peroid, the temperature changing rate<=2°C/minute, temperature range:-40~+85°C;
2: (before vibration average value +after vibration average value) /2-during vibration average value, the vibration conditions are 6.06g, 20~2000Hz


Typical Applications
- Tactical Unmanned Aerial Vehicles
- Intelligent Driving
- Surface Vehicle
- Platform Stabilization
- Precise Guided Bomb
- Industrial Robotics

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