Electronics Engineering · Control Systems
Consider the characteristic equation of a control system given by s3 + (K + 0.5)s2 + 4Ks + 50 = 0. Find the frequency of sustained oscillations (in rad/s) for the value of K that puts the system on the verge of instability.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1ω = 4.63 rad/sec
- 2ω = 3.63 rad/sec✓
- 3ω = 25 rad/sec
- 4ω = 50 rad/sec
Correct answer
ω = 3.63 rad/sec
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