How do I find these values from a plot?

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Marc Adams
Marc Adams 2018-2-25
回答： Star Strider 2018-2-26
So I have this closed loop system H and I've plotted it's bode plots, magnitude, and step response. From these plots, how do I find information about this system such as Tr,Ts,Tp,Mp,Wm,Wb,Mm, and steady state error?
Is there a function similar to stepinfo(H) that I can use to get information from this plot?

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Star Strider
Star Strider 2018-2-26
I have no idea what your parameter abbreviations mean, since they are not completely standardized.
There are a number of Control System Toolbox and System Identification Toolbox functions that will yield various characteristics of your system.
See Time and Frequency Domain Analysis (link) for descriptions and links to them, the dcgain (link) function being one.

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