NASA NTRS · 19810061147
Sensor/actuator failure detection and isolation for airbreathing propulsion systems
Abstract
In this paper, the Generalized Likelihood Ratio (GLR) test is used to detect and isolate sensor and/or actuator failures when a digital computer simulation model of the physical system is available. The input to the GLR detector is an innovation sequence formed by subtracting the model outputs from the sensed outputs. Application of the GLR detector to the General Electric QCSEE turbofan engine demonstrates the utility of the proposed procedure.
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Leininger, G. G., Behbehani, K.. 1980-01-01. Sensor/actuator failure detection and isolation for airbreathing propulsion systems. https://ntrs.nasa.gov/citations/19810061147
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