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IJSYSC
2010

Partial state and input observability recovering by additional sensor implementation: a graph-theoretic approach

9 years 6 months ago
Partial state and input observability recovering by additional sensor implementation: a graph-theoretic approach
This paper deals with the problem of additional sensor location in order to recover the observability of any given part of the state and unknown input for structured linear systems. The proposed method is based on a graph-theoretic approach and assumes only the knowledge of the system's structure. We first provide graphical necessary and sufficient conditions for the generic observability of any given part of the state and input. Then, we study the number and location of additional sensors in order to satisfy the latter conditions. On the one hand, we provide necessary requirements to be satisfied by these additional sensors. on the other hand, we give other sufficient simple conditions allowing to add a number, which is is guaranteed to be minimal, of sensors to ensure the observability of any given part of the state and unknown input.
T. Boukhobza
Added 05 Mar 2011
Updated 05 Mar 2011
Type Journal
Year 2010
Where IJSYSC
Authors T. Boukhobza
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