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GATE EC 2019 Set 1 — Question 42

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MCQ+2 / -0.67MediumBlock Diagram ReductionSystem ModellingControl Systems

Control Systems → System Modelling → Block Diagram Reduction

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Question

The block diagram of a system is illustrated in the figure shown, where X(s)X(s) is the input and Y(s)Y(s) is the output. The transfer function H(s)=Y(s)X(s)H(s) = \frac{Y(s)}{X(s)} is
A block diagram showing an input X(s) entering a summing junction. The output of the junction goes to two parallel paths: one with gain 's' and another with gain '1/s'. These paths are summed at a second junction. The output of the second junction goes to an integrator '1/s' to produce Y(s). There are two negative feedback loops: one from Y(s) back to the first summing junction, and another from the output of the second summing junction back to the first summing junction.
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