The pole-zero map and the Nyquist plot of the loop transfer function GH(s) of a feedback system

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The pole-zero map and the Nyquist plot of the loop transfer function GH(s) of a feedback system are shown below. For this

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(a) both open loop and closed loop systems are stable.
(b) open loop system is stable but closed loop system is unstable.
(c) open loop system is unstable but closed loop system is stable.
(d) both open loop and closed loop systems are unstable.

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Control System Analysis And Design

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Authors: A.K. Tripathi

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Question Posted: Feb 01, 2024 03:01 AM

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The pole-zero map and the Nyquist plot of the loop transfer function GH(s) of a feedback system

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jo 0 0 s-plane O Im GH plane Re

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The stability of a system can often be determined by examining its polezero map and Nyquist plot Pol...View the full answer

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