How Can I Relate Measurements from a Gyroscope and Accelerometer?

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SUMMARY

This discussion focuses on relating measurements from a gyroscope and two accelerometers in a setup involving a long rectangular tube. The gyroscope measures angular displacement, while the accelerometers measure linear speed at each end of the tube. The key challenge is to convert the gyroscope's angular measurements into tangential acceleration and to derive angular acceleration from the linear measurements of the accelerometers. The relationship between these measurements hinges on the radius of the tube and the assumption that gravitational acceleration is negligible.

PREREQUISITES
  • Understanding of angular displacement and acceleration
  • Knowledge of linear acceleration and its relationship to tangential acceleration
  • Familiarity with sensor data interpretation
  • Basic principles of rotational dynamics
NEXT STEPS
  • Research the conversion formulas between angular and linear acceleration
  • Explore the mathematical relationship between tangential acceleration and linear acceleration
  • Study the principles of rotational motion in physics
  • Investigate sensor fusion techniques for integrating gyroscope and accelerometer data
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Engineers, physicists, and robotics developers interested in sensor integration and motion analysis will benefit from this discussion.

gup08
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Hi Physics Forums,

I have two sensors that I am trying to relate:
- One gyroscopes measuring angle
- Two accelerometer measuring linear speed

I have put the gyroscope in the middle of a long rectangular tube. While the accelerometers are at each end of this tube.

I need help getting started in using the measurement from one accelerometer and the gyroscope to predict the measurement from the second accelerometer or to use the accelerometer to predict the measurement from the gyroscope.

The movement will consist of rotating the beam 15 deg each way about the middle of the beam. Illustration is shown:

gvEbeDj.png

For the gyroscope I would have to convert the angle to tangential acceleration. And that is what I can use to compare directly to the linear acceleration of the accelerometer?

How could also go from the linear acceleration given by the accelerometer to angular acceleration?
 
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gup08 said:
And that is what I can use to compare directly to the linear acceleration of the accelerometer?
Assuming gravitational acceleration doesn't play a role: Sure.
gup08 said:
How could also go from the linear acceleration given by the accelerometer to angular acceleration?
The same as for the opposite direction, the two just differ by a factor r, the radius where the linear speed/acceleration is evaluated.
 

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