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Questions about inertial navigation systems which sense an aircraft's motion to determine location as it travels.

5 votes
2 answers
5k views

What is the difference between IMU (Inertial Measurement Unit) and AHRS (Attitude and Headin...

According to online sources like wikipedia the difference belies on the addition of an on-board processing system (I assume it means a microcontroller) which outputs already processed data and not sim …
A. Fenzry's user avatar
  • 403
1 vote
1 answer
265 views

Why do most commercial solid-state Inertial Measurement Units (IMUs) measure angular rate an...

The vast majority of MEMS-based IMUs are formed by an accelerometer and a gyroscope, providing linear acceleration and angular rate measurements respectively. However, having available the angular a …
A. Fenzry's user avatar
  • 403