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  1. rajin12

    A-arm question

    Yes you are correct, one big peak around 12 that distinguishes it from the rest. I've read literature that automotive suspensions are designed with frequencies under 20 Hz for ride comfort. Is there another reason that driving on the freeway would increase the 10, 15, 18 Hz peaks and keep the...
  2. rajin12

    A-arm question

    Hey everybody! Could anyone shed some light on this phenomenon? I've been taking accelerometer measurements of the A-arms on my minivan (front suspension). Why is it that at higher speeds (65mph) the peak frequency of vibration does not increase with speed, but instead the nearby frequencies...
  3. rajin12

    Common Source of Automotive Vibration?

    Ahh, I will look definitely look into that.
  4. rajin12

    Common Source of Automotive Vibration?

    I'm trying to make a test setup where my chemical sensor will make a measurement a certain time after the vehicle has moved/or has not moved. But I want this to be portable for different vehicles w/o having to mess with the vehicle electronics. For vibrations in the engine, should I expect...
  5. rajin12

    Common Source of Automotive Vibration?

    For any vehicle, where would you find the highest vibration? I'm testing out an accelerometer that will be used to wake up electronics.

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