CONTROL SYSTEMS QUIZ

  unstable and of the non minimum phase type .

  unstable and of the minimum phase type.

  stable and of the minimum phase type.

  stable and of the non-minimum phase type.

 4

 1

 3

 2

 both 1 and 3

 sin-1((1 - α)/(1 + α)

 cos-1((1 - α)/(1 + α)

 tan-1((1 - α)/(2√α)

 type of system

 both 1 and 2

 nether 1 nor 2

 order of system

 A*B

 A/B

 A-B

 A+B

 Complex and costly.

 Reduces the overall gain.

 Oscillatory response.

All of these

 e-3t u(t).

 (1/3) × (1-e-3t).

 e6t.

 1/3.

 lead compensator, α = 0.1

 lag compensator, β = 2

 lead compensator, α = 0.2

 lag compensator, β = 10

 has high sensitivity

 increases the stability of the system

 improves the steady state accuracy

 both 1 and 2

 (ωn) √(1-ζ²)

 (ωn) √(1-2ζ²)

 (ωn) √(1-ζ²/2)

 2*(ωn) √(1-ζ²)