Acronym · Photonics, MEMS & Sensors
IMU (Inertial Measurement Unit)
A module combining three-axis accelerometers and gyroscopes, sometimes with a magnetometer, plus the conditioning and fusion logic to output calibrated motion data.
It provides orientation and motion estimates without external references.
- Also known as
- 6-axis IMU, 9-axis IMU
- Type
- Acronym
- Domain
- Photonics, MEMS & Sensors, MEMS
Notes
Automotive-grade IMUs for dead reckoning through tunnels command far higher prices than the consumer parts in phones.
Related terms
- Accelerometer
- MEMS gyroscope
- Sensor fusion
- Dead reckoning
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