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Control theory

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3. What should be gain margin and phase margin for acceptable transicnt response? Determine both for a system with $$ \mathrm{GH}(j \omega)=\frac{1}{(j \omega+1)^{3}} $$

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IGH (jw) lopph Q.3. 1 GH(jw) (jw +)? Now, Magnitude | G H (jw) | - (w?+1) 3/2 and 3 tan-(w) Now, Phase cross over frequency iNow, chain mss over frequency is given by IGH (jw) | go or, (wgi + 1) 3/2 or wge + 1 = 1 or, wge =0 Now, Phase margin given bhi, if you have any queries then please ask in comment section. Thank you !!

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