14 Consider the feedback control system in Figure 12 45 with The nominal value of J 5, but it is known to change with time It is thus necessary to design controller with sufficient phase margin to retain stability as J changes A suitable PID controller such that the phase margin is greater than P M 40 and bandwidth b Gp(s) 1 and G(s) 1 Js

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14  Consider the feedback control system in Figure 12 45 with The nominal value of J   5, but it is known to change with time  It is thus necessary to design controller with sufficient phase margin to retain stability as J changes  A suitable PID controller such that the phase margin is greater than P M       40 and bandwidth  b Gp(s) 1 and G(s)   1 Js

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Question: 14. Consider the feedback control system in Figure 12.45 with The nominal value of J = 5, but it is known to change with time.

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