Bode plot

Discussion in 'Homework Help' started by Asdis, Feb 6, 2011.

  1. Asdis

    Thread Starter New Member

    Nov 30, 2010
    6
    0
    How can I find a transfer function from a Bode plot?
     
  2. mik3

    Senior Member

    Feb 4, 2008
    4,846
    63
    How do you find the bode plot from a transfer function?

    Do the opposite!
     
  3. Georacer

    Moderator

    Nov 25, 2009
    5,142
    1,266
    Build the Zero-Pole-Gain representation of the TF. From the bode plot you can find the Poles pi, Zeros zi and DC gain K. You can write then the TF as
    K \frac{\Pi (s-z_i)}{\Pi (s-p_i)}
     
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