improve the innovation today: high performance inertial measurement systems li.com
TRANSCRIPT
IMPROVE THE INNOVATION
Today: High Performance Inertial Measurement
Systems
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Inertial Sensors & Co• Accelerometer• Gyroscope• Magnetometer• GPS• Barometer Inertial Measurement Unit (IMU)
Attitude, heading reference sensor (AHRS)
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Inertial Measurement Unit (IMU)
• 6 degrees of freedom (DOF)• Combines 3 accelerometers and 3
gyroscopes• Outputs 3 linear accelerations and
3 angular rates• Used for positioning
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Attitude, Heading Reference Sensor (AHRS)
• Combines 3 accelerometers, 3 gyros and 3 magnetometers
• Outputs pitch, roll and yaw, Quaternion, orientation matrix
• Used for navigation • Include sensor fusion algorithms
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Sensor calibration• calibration as this is the key to obtaining
the best performance out of the inertial sensors that we manufacture.
• Temperature calibration• Magnetometer accelerometer and
gyro calibration• the internal algorithm can estimate
some stochastic errors
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Sensor calibration
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X-100
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X-100 Performance
• Algorithms @ 2kHz.• High-performance EKF• Tuned for performance under vibrations and
magnetic distortions• sensor fusion technology
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ApplicationsPlatform stabilization
Navigation of unmanned vehiclesBiomedical research
Sports training and enhancementMapping
Vehicle dynamics studiesAntenna pointing
Oceanography – wave heightInertial tracking
GPS aidingRobotic control
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VSAT pointing
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Stabilization and Navigation of UAVs
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Platform stabilization
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Structure analysis and deflection
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Thank you
Any Questions?