Engine health diagnostic apparatus and method

Edward Smart (Inventor), Neil Grice (Inventor), David Brown (Inventor), Martin Gregory (Inventor), David Garrity (Inventor)

Research output: Patent


An engine health diagnostic apparatus 8 is provided for analysing health of a reciprocating internal combustion engine 4. The apparatus 8 comprises feature generation circuitry 90 for processing vibration sensor data 91 received from a vibration sensor 60 detecting vibration at a component of the reciprocating internal combustion engine 4 and generating a feature vector 80 indicating multiple features of the sensor data. Processing circuitry 94 processes the feature vector using a trained classification model which is defined by model parameters characterising a decision boundary 150 of healthy operation learnt from a training set of feature vectors captured during healthy operation of the engine 4. The model generates an engine health indication providing a quantitative indication of deviation of the feature vector from the decision boundary 150 of healthy operation.
Original languageEnglish
Patent numberWO201810034A1
Priority date29/11/16
Filing date29/11/16
Publication statusPublished - 7 Jun 2018


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