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Flotation Process Fault Diagnosis Via Structural Analysis

Abstract : For the improvement of safety and efficiency, fault diagnosis becomes increasingly important in mining industry. The expansion of flotation processes with high-tonnage cooper concentrators demands the use of large flotation circuits in which the large amount of instrumentation and interconnected subsystems (with coupled measured and non-measured variables) makes this process complex. Moreover, in a flotation process, any equipment failure can lead to a fault condition, which will affect the operation of this process. This paper proposes an approach for on-line fault diagnosis useful for a large flotation circuit based on a distributed architecture. In this approach, structural analysis is used for the design of the distributed fault diagnosis system. Finally, a procedure for the implementation of local diagnosers for on-line operation is presented and illustrated with an application to a flotation process.
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https://hal.laas.fr/hal-02189499
Contributor : Elodie Chanthery <>
Submitted on : Friday, July 19, 2019 - 3:50:57 PM
Last modification on : Thursday, June 10, 2021 - 3:03:08 AM

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Carlos Gustavo Pérez Zuniga, J Sotomayor-Moriano, Elodie Chanthery, Louise Travé-Massuyès, M. Soto. Flotation Process Fault Diagnosis Via Structural Analysis. 18th IFAC Symposium on Control, Optimization and Automation in Mining, Mineral and Metal Processing (MMM 2019), Aug 2019, Stellenbosch, South Africa. ⟨hal-02189499⟩

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