Question
A closed-loop control system is shown in Figure 4, where G(s) is the transfer function of the system,G.(s) is the transfer function of the controller, D(s) is a disturbance, R(s) and Y(s) are the input1and output, respectively. The open-loop system is unstable with a transfer function of G (s)(1/s-Y)'= where y is 6
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