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Stability 0430

Authored by Lóránt Kovács

Physics

University

Used 1+ times

Stability 0430
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5 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calculate the DC-gain of the system described by the transfer function w(s)=(5)/(10+s)

5

10

0.1

0.5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A phase margin of a control system is -45 degree. Is the closed loop system stable?

Yes

No

Cannot be decided based on this information.

The system is on the limit of stability, that's why it cannot be decided.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The phase shift of an open loop system is -150 degrees. Is the closed loop system stable?

Yes

No

Cannot be decided based on this information

Cannot be decided because the system is on the limit of stability.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The zeros of a closed loop system are -5 and +10. Is the system stable?

Yes

No

Cannot be decided based on the given information.

Cannot be decided because the system is on the limit of stability.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calculate the absolute value of the static error of a pure negative feedback loop system, supposing that the DC-gain of the open loop system is k=9.

9

0.9

0.99

0.86

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