engineering recuitment NIELIT Scientific Assistant Mock Test 2025 Control Systems Signal Flow Graph and Block Diagram Block Diagram Reduction Technique
By performing cascading and / or summing / differencing operations using transfer function blocks G1 (s) and G2 (s), one CANNOT realize a transfer function of the form
1
\({{\rm{G}}_1}\left( {\rm{s}} \right){{\rm{G}}_2}\left( {\rm{s}} \right)\)
2
\(\frac{{{{\rm{G}}_1}\left( {\rm{s}} \right)}}{{{{\rm{G}}_2}\left( {\rm{s}} \right)}}{\rm{}}\)
3
\({{\rm{G}}_1}\left( {\rm{s}} \right)\left( {\frac{1}{{{{\rm{G}}_1}\left( {\rm{s}} \right)}} + {{\rm{G}}_2}\left( {\rm{s}} \right)} \right)\)
4
\({{\rm{G}}_1}\left( {\rm{s}} \right)\left( {\frac{1}{{{{\rm{G}}_1}\left( {\rm{s}} \right)}} - {{\rm{G}}_2}\left( {\rm{s}} \right)} \right)\)