Teaching TN TRB EE Test Series Control Systems Signal Flow Graph and Block Diagram Block Diagram Reduction Using Signal Flow Graph
The transfer function of the given diagram is___
1
\(\frac{{{G_1}{G_2}}}{{1 - {G_1}{H_1} + {G_2}{H_1}}}\)
2
\(\frac{{({G_1} + {G_2})}}{{1 + {G_1}{H_1} + {G_2}{H_1}}}\)
3
\(\frac{{{G_1} + {G_2}}}{{1 - {G_1}{H_1} - {G_2}{H_1}}}\)
4
\(\frac{{{G_1}{G_2}}}{{1 + {G_1}{H_1} + {G_2}{H_1}}}\)