engineering recuitment GATE ECE 2023-24 Test Series Control Systems Signal Flow Graph and Block Diagram
A signal flow graph of a system is shown below.
Which of the following statements regarding the Signal flow graph is correct?
1
It has two forward paths and five individual loops.
2
It has three forward paths and three pairs of two non-touching loops.
3
The total no. of individual loops and the no. of pairs of two non-touching loops are reduced by equal no. if the branch of SFG having gain G6 is removed.
4
There are three pairs of two non-touching loops.