근궤적 기법
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Problem 예제.

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G(s)H(s)=ks(s+4)(s+5)G(s)H(s)=\dfrac{k}{s(s+4)(s+5)}에서 근궤적이 jωj \omega축과 교차하는 점은?

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1

ω=−4.48 \omega = -4.48

2

ω=4.48,−4.48 \omega = 4.48, -4.48

3

ω=4.48 \omega = 4.48

4

ω=2.28 \omega = 2.28

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