# How can we conclude that the open loop system on page 6 is stable from the bode plot?

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**How can we conclude that the open loop system on page 6 is stable from the bode plot?**

The bode plot is of the **open loop** transfer function, but it tells us about stability of the **closed loop** system. If you're interested in stability of the open loop transfer function then just check the positions of the poles. If any have a real part greater than zero then the open loop system is unstable.

--Mary Dunlop 15:53, 6 November 2006 (PST)