4. It is desired to tests the system's response to a step input voltage of 10...

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4. It is desired to tests the system's response to a step input voltage of 10 V (the maximum voltage for this particular DC motor). Given that? m = 1000 N-m/A, ?= 0.001 V-s/rad, R = 10, ? = 0.9 N-m/(rad/s), and ?= 0.1 kg-m, plot the step response using MATLAB functions tf() and step(). Comment on the validity of our system model given the results. If any assumptions were broken, suggest a simple modification to the mechanical system such that the assumption is satisfied with the same input voltage. Plot the modified system's step response. 4. It is desired to tests the system's response to a step input voltage of 10 V (the maximum voltage for this particular DC motor). Given that? m = 1000 N-m/A, ?= 0.001 V-s/rad, R = 10, ? = 0.9 N-m/(rad/s), and ?= 0.1 kg-m, plot the step response using MATLAB functions tf() and step(). Comment on the validity of our system model given the results. If any assumptions were broken, suggest a simple modification to the mechanical system such that the assumption is satisfied with the same input voltage. Plot the modified system's step response.