Relation between open loop and unity feedback close loop response

AI Thread Summary
The discussion focuses on the relationship between open loop and closed loop responses in control systems, specifically with unity feedback. It highlights that if the open loop gain is sufficiently high, the closed loop output will closely match the input, expressed as Vout = Vin. Participants are encouraged to refer to specific equations in the provided link for further clarification. The question of whether line "A" or "B" should be straight is also raised, indicating a need for visual analysis in the context of the responses. Understanding these dynamics is crucial for effectively designing control systems.
tina_singh
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hi!
can someone please help me with this problem...i have to match the open loop respone to the close loop unity feedback system of a control system.

what is the relation between the two?


thanx in advance
 
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these are the two response..
can some one please help now...

than in advance
 

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Is line "A" or "B" meant to be straight?

If the open loop gain is high enough the cloosed loop response with unity feed back is Vout = Vin.
 

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