Condition for stable system phase margin and gain margin
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Gain margin and phase margin measures of stability
The gain and phase margin of a system sys indicates the relative stability of the closed-loop system formed by applying unit negative feedback to sys , as in the following illustration. ... Wgm is the frequency where the gain margin is measured, which is a –180 degree phase crossing frequency.
The gain and phase margin of a system sys indicates the relative stability of the closed-loop system formed by applying unit negative feedback to sys , as in the following illustration. ... Wgm is the frequency where the gain margin is measured, which is a –180 degree phase crossing frequency.
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