c) (i) Determine the response of closed-loop control system in Simulink for a servo problem with magnitude of 10 using P, PI, PID parameters that you have calculated in part (a) by CohenCoon method. Plot the results on the same graph. (ii) Determine the response of closed-loop control system in Simulink for a servo problem with magnitude of 10 using P, PI, PID parameters that you have calculated in part (a) by openloop Ziegler-Nichols method. Plot the results on the same graph. (iii) Determine the response of closed-loop control system in Simulink for a servo problem with magnitude of 10 using P, PI, PID parameters that you have calculated in part (a) by a matlab command. Plot the results on the same graph. (d) Discuss your results. Note: Gm=1,Gv=1 c) (i) Determine the response of closed-loop control system in Simulink for a servo problem with magnitude of 10 using P, PI, PID parameters that you have calculated in part (a) by CohenCoon method. Plot the results on the same graph. (ii) Determine the response of closed-loop control system in Simulink for a servo problem with magnitude of 10 using P, PI, PID parameters that you have calculated in part (a) by openloop Ziegler-Nichols method. Plot the results on the same graph. (iii) Determine the response of closed-loop control system in Simulink for a servo problem with magnitude of 10 using P, PI, PID parameters that you have calculated in part (a) by a matlab command. Plot the results on the same graph. (d) Discuss your results. Note: Gm=1,Gv=1