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( 4 7 % ) A process to be controlled has the transfer function G P = 1 s 2 + s + 0 .
A process to be controlled has the transfer function
The final control element has the transfer function
and the measurement element has the transfer function
a Please sketch a block diagram of the overall system, including the controller, the final control element, the measurement element, and the process to be controlled. Also include the setpoint; you do not need to include a disturbance.
b Please characterize the damping behavior of the process to be controlled defined by
Answer: is critically damped
c Please develop the overall transfer function from the setpoint to the process variable ; write this in terms of the s
Answer:
d It has been suggested using proportional control with Is this a good suggestion? Explain your answer, supported with appropriate calculations.
Answer: Suggestion is reasonable. Routh array indicated the
characteristic equation has no roots in the right half of the
complex plane.
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