Question 2 The bode diagram below corresponds to a third-order open-loop transfer function (time constant in...

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Question 2 The bode diagram below corresponds to a third-order open-loop transfer function (time constant in minutes) Using the Bode diagram below, evaluate the stability of the closed-loop control system (with (0.5s+1)³* negative feedback) at three different gain values of Kc = 1.0, 4.0 and 20 and having Gv(s) = 0.1 and Gm(s) = 10. Gp(s) = 100 TTTTTTT K = 20 10 K₁=4 AROL 1 0.1 K = 1 0.01 0 -90 ΦΟΙ (deg) -180 -270 Figure 2: Bode diagram for question 2 0.01 www 0.1 1 w (rad/min) 10 100 20 marks Question 2 The bode diagram below corresponds to a third-order open-loop transfer function (time constant in minutes) Using the Bode diagram below, evaluate the stability of the closed-loop control system (with (0.5s+1)³* negative feedback) at three different gain values of Kc = 1.0, 4.0 and 20 and having Gv(s) = 0.1 and Gm(s) = 10. Gp(s) = 100 TTTTTTT K = 20 10 K₁=4 AROL 1 0.1 K = 1 0.01 0 -90 ΦΟΙ (deg) -180 -270 Figure 2: Bode diagram for question 2 0.01 www 0.1 1 w (rad/min) 10 100 20 marks

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