QUESTION 8 (15 marks) S-2 i. Find a range of (s+6)(s+5)* Consider the open-loop process transfer function G = values or

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Question 8 15 Marks S 2 I Find A Range Of S 6 S 5 Consider The Open Loop Process Transfer Function G Values Or 1 (507.24 KiB) Viewed 14 times

QUESTION 8 (15 marks) S-2 i. Find a range of (s+6)(s+5)* Consider the open-loop process transfer function G = values or the minimum value and the maximum value of the gain Ke of a P-only controller (if there is any) that will make the feedback closed-loop system stable. ii. S-2 G = Now consider the feedback closed-loop system having the process transfer function and a PI controller having a controller gain Kc = -6. Find the range of values of the integral time T, to eliminate offset and to make the feedback closed loop on the verge of instability. (S+6) (s+5) You must show your work for each part. Use the pages to the left if needed.