Fault Isolation for Shipboard Decision Support

Lajic, Zoran; Blanke, Mogens; Nielsen, Ulrik Dam

doi:10.3182/20100906-3-it-2019.00072

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“…However, recently research has been initiated, e.g. Lajic [15], Lajic and Nielsen [17], Lajic et al [16,18], and it is foreseen that many improvements in this area will be made in the future. [22].…”

Section: Introductionmentioning

confidence: 99%

Towards fault-tolerant decision support systems for ship operator guidance

Nielsen

Lajic

Jensen

2012

Reliability Engineering & System Safety

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Abstract. Fault detection and isolation are very important elements in the design of faulttolerant decision support systems for ship operator guidance. This study outlines remedies that can be applied for fault diagnosis, when the ship responses are assumed to be linear in the wave excitation. A novel numerical procedure is described for the calculation of residuals using the ship's transfer functions which correlate the wave excitation and the ship responses. As tests, multiplicative faults have artificially been imposed to full-scale motion measurements and it is shown that the developed model is able to detect and isolate all faults.

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