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Define Gain margin and Phase margin. Explain how these margin are used for stability analysis.
written 5.3 years ago by gravatar for teamques10 teamques10 ★ 65k •   modified 5.3 years ago

Mumbai University > Electronics Engineering > Sem 4 > Linear Control Systems

Topic: Stability Analysis in Frequency Domain

Difficulty : Medium

Marks : 5M
control systems
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written 5.3 years ago by gravatar for teamques10 teamques10 ★ 65k •   modified 5.3 years ago

Gain Margin =>

i) The gain margin, Kg is defined as the value of gain to be added to system, in order to bring the system,to the verge of instability

ii) The gain margin, kg is given by the Reciprocol of the magnitude of open loop transfer function at phase …

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