ase330m_fall08_hw6

# Find k cr problem3

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Unformatted text preview: re guaranteed to have negative real parts for K K cr . Find K cr . Problem #3 For the characteristic equation and the range of K identified in problem 2, write a MATLAB script that finds the poles of the CLTF for K cr K K cr . Include at least 50 sample values of K within this range. In a single figure, plot the real and imaginary parts of the poles for each value of K considered. [Hint: the following MATLAB commands will be useful: roots, real, imag] Problem #4 For K = 10, plot the step response of the closed loop system using the MATLAB step command. [Hint: Use the MATLAB tf command to upload the closed loop transfer function into MATLAB, then use the step command on the resulting transfer function to generate a plot of the step response.] Problem #5 Use the final value theorem and the CLTF to identify the steady state value of Y s for K 10 . Does your answer match the steady state value from the plot in problem #4? Should it? How far did the solution overshoot the steady state value?...
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