H_/H Sensor Fault Detection and Isolation of Uncertain Time-Delay Systems

Jee, Sung Chul;Lee, Ho Jae;Kim, Do Wan

  • Received : 2013.07.08
  • Accepted : 2013.09.25
  • Published : 2014.01.01


Sensor fault detection and isolation problems subject to H_/$H_{\infty}$, performance are concerned for linear time-invariant systems with time delay in a state and parametric uncertainties. To that end, a model-based observer bank approach is pursued. The design conditions for both continuous- and discrete-time cases are formulated in terms of matrix inequalities, which are then converted to the problems solvable via an algorithm involving convex optimization.


Fault detection and isolation;Time delay;Parametric uncertainty;H_/$H_{\infty}$ performance;Observer bank


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Supported by : INHA UNIVERSITY