The open loop transfer function of a unity feedback control system is given as (mathrm{G}(s)=frac{a s+1}{s^{2}}). The

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The open loop transfer function of a unity feedback control system is given as $\mathrm{G}(s)=\frac{a s+1}{s^{2}}$. The value of ' $a$ ' to give a phase margin of $45^{\circ}$ is equal to
(a) 0.141
(b) 0.441
(c) 0.841
(d) 1.141

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Question Posted: Feb 01, 2024 03:01 AM

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The open loop transfer function of a unity feedback control system is given as (mathrm{G}(s)=frac{a s+1}{s^{2}}). The

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The phase margin PM is a measure of the difference between the phase angle of the open loop transfer ...View the full answer

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