Exercise: Automatic Control Systems

Questions for: Automatic Control Systems

For stable network the real parts of poles and zeros of driving point functions must be
A:
negative
B:
negative or zero
C:
zero
D:
positive
Answer: B
No answer description is available. Let's discuss.
Frequency response approach is a simple approach to control system design.
A:
True
B:
False
C:
D:
Answer: A
No answer description is available. Let's discuss.
At corner frequency the phase angle of factor 1/(1 + jωT) is
A:
+90°
B:
-90°
C:
+45°
D:
-45°
Answer: D
No answer description is available. Let's discuss.
For the characteristic equation s5 + s4 + 2s3 + 2s2 + 3s + 15 = 0, the number of roots in left half s plane are
A:
1
B:
2
C:
3
D:
5
Answer: C
No answer description is available. Let's discuss.
The angular location of poles depends on
A:
undamped natural frequency
B:
damping ratio
C:
both (a) and (b)
D:
neither (a) nor (b)
Answer: B
No answer description is available. Let's discuss.
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