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CAM Design with Non-Linear Force Profile

  1. Sep 18, 2014 #1
    I need to design a CAM composite with a spring for an exoskeleton to aid elderly mobility. However, the problem I face right now is that the CAM I designed provides a linear force profile, i.e., the force varies proportionally with the extension of the leg. How can I delay this force applied so that the force generated acts only after a certain point. Thanks in advance :)
  2. jcsd
  3. Sep 20, 2014 #2
    More details....... a sketch.....?
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