Physics · Control Systems
A feedback control system has a characteristic equation s4 + 2s3 + 3s2 + 4s + 5 = 0. Find the number of poles in the left-half plane (LHP), the right-half plane (RHP), and on the jω-axis, and determine its stability.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11 LHP pole, 3 RHP poles, 0 jω poles, system is stable
- 22 LHP poles, 2 RHP poles, 0 jω poles, system is stable
- 32 LHP poles, 2 RHP poles, 0 jω poles, system is unstable✓
- 41 LHP pole, 3 RHP poles, 0 jω poles, system is unstable
Correct answer
2 LHP poles, 2 RHP poles, 0 jω poles, system is unstable
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