What Is the Overall Transfer Function of This Closed Loop Control System?

AI Thread Summary
To determine the overall transfer function of the closed loop control system, the forward path consists of two series elements with transfer functions of 2 and 1/(s+1). The feedback transfer function is given as s. Applying the feedback formula for closed loop systems, the overall transfer function can be calculated using the voltage divider approach. This involves combining the forward path transfer functions and incorporating the feedback element. The final result will provide the complete transfer function of the system.
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Homework Statement


a closed loop control system has a forward path having two series elements of transfer fuctions 2 and 1/s+1.If the feedback has a transfer function of s,what is the overall transfer function of the system?


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The Attempt at a Solution

 
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Write out a voltage divider like answer, and then work from there! That should get you there.
 
Thread 'Have I solved this structural engineering equation correctly?'

Thread 'Have I solved this structural engineering equation correctly?'

Hi all, I have a structural engineering book from 1979. I am trying to follow it as best as I can. I have come to a formula that calculates the rotations in radians at the rigid joint that requires an iterative procedure. This equation comes in the form of: $$ x_i = \frac {Q_ih_i + Q_{i+1}h_{i+1}}{4K} + \frac {C}{K}x_{i-1} + \frac {C}{K}x_{i+1} $$ Where: ## Q ## is the horizontal storey shear ## h ## is the storey height ## K = (6G_i + C_i + C_{i+1}) ## ## G = \frac {I_g}{h} ## ## C...
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