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A deterioration model for feedback control systems with random environment

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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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Dates and versions

hal-02586081 , version 1 (15-05-2020)

Identifiers

  • HAL Id : hal-02586081 , version 1

Cite

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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