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lem 3 (35 points) sider the following first-order process. dy 103+y= 1 time delay (lag time, L) has been found to apply to the process and is equal to 5 s.( are the same for the time constant as well.) g proportional only control, the value of ke = 3.85 gives the figure below, with the o 9 in continuous oscillations (limit cycle). 1.5 1 M 0.5 0 5 -0.54 15 10 20 30 3 time 50 u 10 15 30 25 time 35 $0 Iculate the tuning parameters using P-only control based on () Ziegler-Nichols close scillations method, (ii) Ziegler-Nichols open-loop method, and (ii) Cohen-Coon. culate the tuning parameters using PID control based on () Ziegler-Nichols closed-lo d. () Ziegler-Nichols open-loop method, and (m) Cohen-Coon. ch of the controllers (P and PID), which method gives more aggressive results, and whi- puld you recommend for tuning? lem 3 (35 points) sider the following first-order process. dy 103+y= 1 time delay (lag time, L) has been found to apply to the process and is equal to 5 s.( are the same for the time constant as well.) g proportional only control, the value of ke = 3.85 gives the figure below, with the o 9 in continuous oscillations (limit cycle). 1.5 1 M 0.5 0 5 -0.54 15 10 20 30 3 time 50 u 10 15 30 25 time 35 $0 Iculate the tuning parameters using P-only control based on () Ziegler-Nichols close scillations method, (ii) Ziegler-Nichols open-loop method, and (ii) Cohen-Coon. culate the tuning parameters using PID control based on () Ziegler-Nichols closed-lo d. () Ziegler-Nichols open-loop method, and (m) Cohen-Coon. ch of the controllers (P and PID), which method gives more aggressive results, and whi- puld you recommend for tuning