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Visitor II
June 4, 2019
Question

what is the effect of mechanical shock and vibration on MotionFX sensor fusion library. What can go wrong if mems sensors placed on a cricket bat undergoing 30g force for few millis when ball hits the bat?

  • June 4, 2019
  • 1 reply
  • 633 views

MotionFX,LSM6DSM,LSM303AGR,Sensor fusion,Mechanical Shock,Vibration

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    1 reply

    ST Employee
    June 7, 2019

    Hi,

    first of all what is your final applications?

    I see several problems:

    • Most of the sensors has maximum range 16g so they want be able correctly measure 30g
    • I think the acceleration during the hit could be even higher than 30g, it will be very sharp high peak
    • If the sensor is not able to measure correctly the acceleration the sensor fusion won't be able to follow device position
    • The MotionFX is not designed for such a high acceleration so I think I will also filter high peaks