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Adding virtual measurements by signal injection

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We propose a method to “create” a new measurement output by exciting the system with a high-frequency oscillation. This new “virtual” measurement may be useful to facilitate the design of a suitable control law. The approach is especially interesting when the observability from the actual output degenerates at a steady-state regime of interest. The proposed method is based on second-order averaging and is illustrated by simulations on a simple third-order system.
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hal-01486931 , version 1 (10-03-2017)


  • HAL Id : hal-01486931 , version 1


Pascal Combes, Al Kassem Jebai, François Malrait, Philippe Martin, Pierre Rouchon. Adding virtual measurements by signal injection. 2016 American Control Conference (ACC 2016), Jul 2016, Boston, United States. pp.999 - 1005. ⟨hal-01486931⟩
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