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The unit-step response of a unity feedback system with open loop transfer function G(s) = K/((s + 1)(s + 2)) is shown in the figure below. What is the value of K? (Answer up to the nearest integer)
    Correct answer is '6'. Can you explain this answer?
    Most Upvoted Answer
    The unit-step response of a unity feedback system with open loop tran...
    From the figure we can see that steady state error for given system is
    Ess = 1 - 0.75 = 0.25
    Steady state error for unity feed back system is given by
    So, ess = 2/2 + K = 0.25
    2 = 0.5 + 0.25 K
    K = 1.5/0.25 = 6
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    The unit-step response of a unity feedback system with open loop tran...
    From the figure we can see that steady state error for given system is
    Ess = 1 - 0.75 = 0.25
    Steady state error for unity feed back system is given by
    So, ess = 2/2 + K = 0.25
    2 = 0.5 + 0.25 K
    K = 1.5/0.25 = 6
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    The unit-step response of a unity feedback system with open loop transfer function G(s) = K/((s + 1)(s + 2)) is shown in the figure below. What is the value of K? (Answer up to the nearest integer)Correct answer is '6'. Can you explain this answer?
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