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Design of a Complete FDI System based on a Performance Index With Application to an Automotive Engine

Assuming residual generators are already available, there are still several choices to be made when a complete FDI system is to be designed. This is a time-consuming engineering work so for this purpose, a systematic procedure is proposed. The procedure is phrased as an optimization problem. The goal is to minimize a new probability based performance index, which is derived from measurements on the real process. To increase the robustness of the FDI system, a \textit{don't care} option is introduced in the residual structure. The procedure is successfully applied to the problem of FDI design for the air intake system of an SI-engine.

Mattias Nyberg and Lars Nielsen

IFAC Fault Detection, Supervision and Safety for Technical Processes, 1997

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