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How to model vibration motor in mobile phone

  1. Jan 4, 2013 #1

    I am working with the vibration motor in smartphone. I want to calculate to force comes from the vibration motor through time. In this case, I only measure the force in 3 direction, like x, y and z axes. I expect it has sinuous form but I dont know exactly the mathematics equation to represent it.

    Here is the description of the vibration motor (a patent)

    Anyone know about mathematical model of inertial force of eccentric weight? Please help me. My major is Computer Science, so could you explain it simple also?
    Last edited: Jan 4, 2013
  2. jcsd
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