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Moment of inertia for a system

  1. Feb 5, 2009 #1
    1.How to find the moment of inertia of linkage (four bar mechanism), Gear system(having 3 reducers).
     
  2. jcsd
  3. Feb 6, 2009 #2
    consult a book, preferably theory of machines.
     
  4. Feb 19, 2009 #3
    Calculate the kinetic energy of the system and factor out the generalized velocity so that you have a form that looks like

    T = (1/2) qdot^2 I(q)

    where I(q) is the generalized inertia which is a function of the generalized coordinate q that describes the system configuration. Then it is a simple matter to extract the function I(q) from this expression. Note that for the four bar linkage it will be variable, depending on q.
     
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