Conception d'architectures d'instrumentation sous contraintes d'observabilité et de fiabilité : eapplication à des plates-formes pétrolières

Abstract : For a given process, our aim is on the one hand to assess the availability of the necessary informations for the process control, and on the other hand to define the sensor location in order that the necessary variables for control are al ways observable when one or more sensors are defective subject to reliability,location and cost constraints. Two approaches to estimate the reliability of a measurement system are presented. In the first, the reliability is simply calculated by searching the sensory breakdown configurations for which. the system remains observable. ln the second; we calculate the unrelizbility function using Fault Tree Method. To search the most reliable measurement system, four methods are presented. These methods are based on the MTIF comparison among different measurement systems, or on the structural analysis of the process graph, or on the analysis of the reliability evaluation vs time or more on the cycles study of the process graph. The proposed methods are successfully applied to an off-shore platform of the French petroleum company Elf Aquitaine
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Theses
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http://docnum.univ-lorraine.fr/prive/INPL_T_1992_TURBATTE_H_C.pdf
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https://hal.univ-lorraine.fr/tel-01752284
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Submitted on : Thursday, March 29, 2018 - 1:40:26 PM
Last modification on : Friday, March 30, 2018 - 1:28:53 AM

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Hervé-Claude Turbatte. Conception d'architectures d'instrumentation sous contraintes d'observabilité et de fiabilité : eapplication à des plates-formes pétrolières. Autre. Institut National Polytechnique de Lorraine, 1992. Français. ⟨NNT : 1992INPL087N⟩. ⟨tel-01752284⟩

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