MECH 466 - Lecture9-TimeResponse-2009W

2 settling time is about 4t 200809 mech466 automatic

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Unformatted text preview: ! 2008/09 MECH466 : Automatic Control 9 2008/09 Step response for some K & T K=1,T=1 K=1,T=2 Amplitude Amplitude 1 5 Time K=2,T=1 2008/09 1 Unknown 5 Time K=2,T=2 5 Time Obtain step response Obtain 10 10 2 Amplitude Amplitude 2 1 0 0 Suppose that we have a “black-box” system Suppose black- box” 0 0 10 10 System identification 2 2 0 0 MECH466 : Automatic Control 5 Time 10 1 0 0 MECH466 : Automatic Control Can you obtain a transfer function? How? Can 11 2008/09 MECH466 : Automatic Control 12 3 Summary for 1st order systems For 1st order systems, step responses have For A standard form of the second-order system standard second- Steady-state gain: K SteadyPeak value: undefined Peak Peak time: undefined Peak Percent overshoot: undefined Percent Delay time: 0.7T (not required in this course) Delay Rise time: 2.2T (not...
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