Research Article Open Access

Fault Reconstruction Using Sliding Mode Observers

K. Hakiki, B. Mazari, A. Liazid and S. Djaber


In this study, a nonlinear sliding observer is proposed to explicitly reconstruct fault signals. The novelty lies in the application of the equivalent output injection concept. Previous work in the area of fault detection has used disruption of the sliding motion to detect faults. The aim of the present study was to design a robust observer that slides in the presence of faults based on the response of the estimated outputs of the system. A numerical example of the application to an inverted pendulum mounted on a cart is provided to demonstrate the approach.

American Journal of Applied Sciences
Volume 3 No. 1, 2006, 1669-1674


Submitted On: 13 March 2006 Published On: 31 January 2006

How to Cite: Hakiki, K., Mazari, B., Liazid, A. & Djaber, S. (2006). Fault Reconstruction Using Sliding Mode Observers. American Journal of Applied Sciences, 3(1), 1669-1674.

  • 30 Citations



  • Fault diagnosis
  • sliding mode
  • observer