The "place" command could not place the poles at the specified locations. Probable causes include: * (A,B) is nearly uncontrollable * The specified locations are too close to each other.

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Lakshminarayana KS
Lakshminarayana KS 2019 年 8 月 10 日
回答済み: Pan Zhao 2021 年 8 月 27 日
Am trying for a system which is ustable but not controllable but observable system

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Pan Zhao
Pan Zhao 2021 年 8 月 27 日
If your system is not controllable, then you cannot place the closed-loop poles at arbitrary positions. Observability (determined by A, C matrices) is not relevant here.

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