In the signal flow diagram given in the figure, u1 and u2

Home » Control System » Control system miscellaneous » Question

In the signal flow diagram given in the figure, u₁ and u₂ are possible inputs whereas y₁ and y₂ are possible outputs.When would the SISO system derived from this diagram be controlable and observable?

1. When u₁ is the only input and y₁ is the only output
2. When u₂ is the only input and y₁ is the only output
3. When u₁ is the only input and y₂ is the only output
4. When u₂ is the only input and y₂ is the only output

Correct Option: B

NA