Triaxial MEMS accelerometer inertial navigation

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SUMMARY

The discussion centers on the challenges faced when using a platform equipped with 16 MEMS accelerometers for measuring Z-axis acceleration while in motion. The primary issue is the interference of accelerations induced by the platform's travel, which complicates the extraction of accurate Z measurements. Solutions to filter out these disturbances are sought, particularly methods to achieve "clean" Z values despite the platform's movement.

PREREQUISITES
  • Understanding of MEMS accelerometer technology
  • Knowledge of inertial navigation systems
  • Familiarity with signal processing techniques
  • Experience with data filtering methods
NEXT STEPS
  • Research Kalman filtering techniques for sensor data
  • Explore complementary filtering methods for accelerometer data
  • Learn about sensor fusion algorithms for inertial navigation
  • Investigate the impact of platform dynamics on accelerometer readings
USEFUL FOR

This discussion is beneficial for engineers, researchers, and developers working with inertial navigation systems, particularly those utilizing MEMS accelerometers in dynamic environments.

Carlos C.
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Hi all!
I have a question that maybe some people of this great comunity can help.
I´m working with a platform with 16 MEMS accelerometers distributed along the whole surface with a knew position and orientation, I have to measure the differences in acceleration on the Z axis, to get the surface defined by the accelerometers. It works perfectly in static mode.
The problem is that this platform should measure at the same time that the platform is traveling along a unidirectional way. Then the accelerations induced to ride the platform disturbs the Z measurements, and maintain a constant velocity (acc=0) is not possible.
Is there a way to remove this accelerations from the measurements to get a "clean" Z values?
Thanks a lot to everyone!
Carlos C.
 
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Thanks for the post! Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?
 

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