CONTROL SYSTEMS QUIZ

 at least one system is unstable and at least one system is causal.

 the majority are unstable and the majority are causal.

 each system in the cascade is individually caused and unstable.

 at least one system is causal and all systems are unstable.

 4

 5

 10

 6.5

 -10dB/decade.

 0 dB/decade

 -20dB/decade.

 +10dB/decade.

 derivative controller

 proportional controller

 both 2 and 3

 integral controller

 9/4

 4/13

 13/4

 4/9

All of these

 4/(s² + 2s + 4)

 2/(s² + 2s + 2)

 1/(s² + s + 1)

 capacitance.

 inductance.

 resistance.

 conductance.

 noise.

 system.

 interference.

 signal.

 |G(s)H(s)| = ∞

 |G(s)H(s)| = 0

 |G(s)H(s)| = 2

 |G(s)H(s)| = 1

 32.16 rad/s

 29.74 ra/s

 30.63 rad/s

 31.41 rad/s