ECE :: Automatic Control Systems
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For the second order system having following differential equation
(When θ0 and θi are output and input) the natural frequency is -
For a second order system, the position of poles is in the shaded region shown in the given figure. The variation in damping factor is
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For a factor
in the transfer function, the log magnitude plot -
The frequency at which magnitude of closed loop frequency response is 3 dB below its zero frequency value is called critical frequency.
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In a second order system, the time constant t of exponential envelopes depends
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The maximum shift which can be provided by a lead compensator with transfer function
is -
The network of the given figure is a
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The resistance R of a liquid flow system is defined as
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gives a straight line with a slope of - 40 dB/decade.
has the characteristics of high pass filter.
= 0.5 or Φm = 30°.
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, level difference or head is analogous to v and change in flow rate is analogous to current.