Question

Given an open loop transfer function and Bode plot of a unity feedback control system below, Magnitude (dB) 50 0 -50 -100 -150 Bode Diagram -90 -135 -180 Phase (deg) -225 -270 10?¹ 10? 10¹ Frequency (rad/s) 10² 10³ Determine the gain in decimal to achieve a phase margin of 45°. Write only the answer without any unit.

          Given an open loop transfer function and Bode plot of a unity feedback control system below,
Magnitude (dB)
50
0
-50
-100
-150
Bode Diagram
-90
-135
-180
Phase (deg)
-225
-270
10?¹
10?
10¹
Frequency (rad/s)
10²
10³
Determine the gain in decimal to achieve a phase margin of 45°. Write only the answer without any unit.

Given an open loop transfer function and Bode plot of a unity feedback control system below,
Magnitude (dB)
50
0
-50
-100
-150
Bode Diagram
-90
-135
-180
Phase (deg)
-225
-270
10?¹
10?
10¹
Frequency (rad/s)
10²
10³
Determine the gain in decimal to achieve a phase margin of 45°. Write only the answer without any unit.

Added by Kelly B.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Mahendra Kumar

Step 1

From the given Bode plot, we can see that at a frequency of 10 rad/s, the phase is -225 degrees. Show more…

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Given an open loop transfer function and Bode plot of a unity feedback control system below: 50 Bode Diagram - Magnitude (dB): 50 -100 -168 - Phase (deg): 135 180 -225 -270 - Frequency (rad/s): 1.01 100 Determine the decimal value needed to achieve a phase margin of 45 degrees at a frequency of 10 rad/s.