3. 25 pts. A 2"-order system has the step response shown below. Estimate the system's poles.

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Question

3. 25 pts. A 2"-order system has the step response shown below. Estimate the system's poles.

David · Accepted Answer

Solution: 
The standard 2nd order system is given by 
 ( )  

           
 
 
Therefore to find poles we need to find    and zeta ( ).
We have following data from the graph shown 
Peak amplitude= 182 
Steady state amplitude= 120 
Peak time = 1.

3. 25 pts. A 2"-order system has the step response shown below. Estimate the system's poles.

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