Assesment of on-wing engine health based on non-linear dynamic engine behaviour

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There have been significant developments over the last 10 years in the field of predictive health sensing in the aerospace sector, with the majority of benefits realised from the prediction of aero engine performance deterioration. The area that has not yet been developed is the prediction of deterioration in the structural dynamics behaviour leading to unplanned engine maintenance. The purpose of this program is to develop a novel approach based on the sensing of non linear behaviour of engines on-wing as a measure of abnormal engine deterioration. The techniques developed will then besubjected to a verification and validation program designed so that it will act as an enabler to claim maintenance credits with the airworthiness authorities and facilitate the use of prediction of remaining useful life in the management of assets. This project provides predictive algorithm and decision making techniques.