Use Nyquist criterion to determine range of (mathrm{K}) for closed loop stability of the open loop function
Question:
Use Nyquist criterion to determine range of \(\mathrm{K}\) for closed loop stability of the open loop function with unity feedback given by:
\[
\mathrm{G}(s)=\frac{\mathrm{K} e^{-0.8 s}}{(s+1)}
\]
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