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Independent parameters of a four bar linkage

  1. Jun 11, 2012 #1
    Hi all,

    I'm performing an optimization of a mechanism composed of several planar four-bar linkage. I'm at a standstill in understanding which are the independent parameters for tracing a four-bar linkage mechanism in a specific configuration. Looking at this picture

    In my hopinion, the coordinates of point A0, B0 and B and the length b and c. In this way it's not correct because if the two lengths are really small the mechanism cannot be closed. So what are they?
  2. jcsd
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