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Fault diagnosis in a hydraulic process using unknown input observers

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2 Author(s)
Gaddouna, B.O. ; Lab. des Syst. Autom., Amiens, France ; Ouladsine, M.

In this paper, an approach for the design of unknown input observers is developed to estimate the state of a linear time-invariant dynamical system driven by both known and unknown inputs. The method has been applied on a real hydraulic installation in order to detect and localize actuator faults.

Published in:

Control Applications, 1997., Proceedings of the 1997 IEEE International Conference on

Date of Conference:

5-7 Oct. 1997