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Development of non-linear fault detection system using Cusum-based technique applied to a pilot distillation column

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  • Yahya Chetouani

Abstract

Early detection of faults (FD) is important in chemical industry since a lot of damage and loss can result before a fault present in the system is detected. In this paper, a real-time system for detecting changes in dynamic systems is designed. The main contribution consists in the design of a simplified procedure of the incident detection scheme through a combination of the optimisation property of cumulative sum and a neural adaptive black-box identification. The simplicity of the developed neural model, under all regimes (i.e. steady-state and unsteady state), used in this case is realised by means of a non-linear auto-regressive with exogenous input model and by an experimental design. The performance of the proposed FD system has been tested on a real plant as a distillation column. Then, the FD system has been tested under real anomalous conditions. The experimental results demonstrate the robustness of the FD method.

Suggested Citation

  • Yahya Chetouani, 2011. "Development of non-linear fault detection system using Cusum-based technique applied to a pilot distillation column," International Journal of Industrial and Systems Engineering, Inderscience Enterprises Ltd, vol. 7(4), pages 498-517.
    • Handle: RePEc:ids:ijisen:v:7:y:2011:i:4:p:498-517
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