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A deterioration model for feedback control systems with random environment

Danh Ngoc Nguyen 1 Laurence Dieulle 2 Antoine Grall 2 
1 STMR - Sciences et Technologies pour la Maitrise des Risques
UTT - Université de Technologie de Troyes, CNRS - Centre National de la Recherche Scientifique : UMR6279
Abstract : In this paper, we consider a PID (Proportional-Integral-Derivative) feedback control system operating under an uncertain environment that impacts the degradation of control-loop's components. An integrated model is proposed which jointly describes the state of the system and its degradation. By adopting a Piecewise Deterministic Markov Process, the RUL (Remaining Useful Life) can be computed by a two-step technique. First, the system state regarding the available observations is estimated on-line by usingthe Particle Filter method. Then, the reliability of the system is computed with a classical Monte Carlo method. To illustrate the approach, a well-known simulated water level control system is used.
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Submitted on : Friday, May 15, 2020 - 9:59:13 AM
Last modification on : Wednesday, August 31, 2022 - 6:55:16 PM


  • HAL Id : hal-02586081, version 1



Danh Ngoc Nguyen, Laurence Dieulle, Antoine Grall. A deterioration model for feedback control systems with random environment. ESREL 2013, Sep 2013, Amsterdam, Netherlands. ⟨hal-02586081⟩



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