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Math Help - transfer function

  1. #1
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    transfer function

    could some help me on this thankyou
    find the new transfer fuction relating x and y for the 2 blocks
    a) b = (d^2)x/(dt^2) + (4dx)/(dt) + 6x
    b) y = (d^2)b/dt^2 + 8db/dt + 2b
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  2. #2
    MHF Contributor chisigma's Avatar
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    The transfer function of a is...

    f_{a} (s)= \frac{1}{s^{2} + 4\cdot s + 6} (1)

    ... and the transfer function of b is...

    f_{b} (s)= \frac{1}{s^{2} + 8\cdot s + 2} (2)

    The transfer function of the cascade of a and b will be...

     f(s)=f_{a} (s) \cdot f_{b} (s) (3)

    Kind regards

    \chi \sigma
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