Feedback Control Theory Continued

  • Riazollah FiroozianEmail author
Part of the Mechanical Engineering Series book series (MES)


In the previous chapter, the response characteristic of simple first and second order transfer functions were studied. It was shown that first order transfer function, sometimes called first order lag, has an overdamped response and the output lags input as it was shown in the frequency response. The second order transfer function as was shown in the previous chapter can have overdamped response for ζ &> 1 and can be oscillatory for ζ &< 1.


Phase Angle Nyquist Plot Imaginary Axis Phase Margin Gain Margin 
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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  1. 1.TehranIran

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