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b. A system is characterised by a signal flow graph shown in figure 1.Use Mason's gain formula to prove that the transfer function of the system can be determined. G2 6/ G3 -H1 -H2 Fig 1 c. In a simulation to determine the stability of a system, the transfer function below was obtained; use Routh Array Criterion to prove that this system is unstable. 2s+5 H(s) (s+3)(s+2)(s+5)+s++1

b. A system is characterised by a signal flow graph shown in figure 1.Use Mason's gain formula to prove that the transfer function of the system can be determined. G2 6/ G3 -H1 -H2 Fig 1 c. In a simulation to determine the stability of a system, the transfer function below was obtained; use Routh Array Criterion to prove that this system is unstable. 2s+5 H(s) (s+3)(s+2)(s+5)+s++1

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b. A system is characterised by a signal flow graph shown in figure 1.Use Mason's gain formula to prove that the transfer function of the system can be determined. Gz 6/ G3 -H1 -H2 Fig 1 c. In a simulation to determine the stability of a system, the transfer function below was obtained; use Routh Array Criterion to prove that this system is unstable. 2s+5 H(s) (s+3)(s+2)(s+5)+s++1
Transcribed Image Text:b. A system is characterised by a signal flow graph shown in figure 1.Use Mason's gain formula to prove that the transfer function of the system can be determined. Gz 6/ G3 -H1 -H2 Fig 1 c. In a simulation to determine the stability of a system, the transfer function below was obtained; use Routh Array Criterion to prove that this system is unstable. 2s+5 H(s) (s+3)(s+2)(s+5)+s++1
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