근궤적 기법

Problem 예제.

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개루프 전달 함수가 G(s)=s+2s(s+1)G(s)=\dfrac{s+2}{s(s+1)}일 때 폐루프 전달 함수는?

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1

s+2s2+s\dfrac{s+2}{s^2+s}

2

s+2s2+2s+4\dfrac{s+2}{s^2+2s+4}

3

s+2s2+2s+2\dfrac{s+2}{s^2+2s+2}

4

s+2s2+s+2\dfrac{s+2}{s^2+s+2}

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