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Real-time Condition-based Maintenance for Adaptive Aircraft Maintenance Planning

Periodic Reporting for period 2 - ReMAP (Real-time Condition-based Maintenance for Adaptive Aircraft Maintenance Planning)

Reporting period: 2019-12-01 to 2021-05-31

ReMAP is a European project that started on the 1st of June 2018 and has a duration of four years. The project addresses the specific challenge of replacing fixed-interval aircraft maintenance inspections with adaptive condition-based interventions. In order to achieve this, a data-driven approach will be implemented, based on hybrid machine learning & physics-based algorithms for systems, and data-driven probabilistic algorithms for systems and structures. A similar approach will be followed to develop a maintenance management optimisation solution, capable of adapting to real-time health conditions of the aircraft fleet. These algorithms will run on an open-source IT platform, for adaptive fleet maintenance management. The proposed Condition-based Maintenance solution will be evaluated according to a safety risk assessment, ensuring its reliable implementation and promoting an informed discussion on regulatory challenges and concrete actions towards the certification of Condition-based Maintenance.
The ReMAP consortium has been working to develop the Integrated Fleet Health Management (IFHM) solution proposed to address the challenges for implementing Condition-based Maintenance (CBM) solutions for aviation. In particular, seven general developments can be highlighted from the work developed so far:
1) the validation and test of an IT platform, integrating a prognostic solution and a maintenance scheduling solution.
2) The sensorisation of 48 coupons that have been tested in an unprecedented lab campaigned that is feeding the development of structural health monitoring (SHM) diagnostic and prognostic algorithms.
3) The development of Prognostic and Health Management solutions for 10 aircraft systems, including visualisation methods to help the interpretation of the results.
4) The development of maintenance scheduling solutions tested and validated with KLM data, including the development of a user-interface prototype that will be used to visualise the schedules produced.
5) The identification of a large list of hazards and safety barriers related with CBM technologies and the development of a quantitative safety assessment framework of aircraft maintenance strategies.
6) The assessment the maintenance state of practice and the definition of an Integration, Verification and Validation plan for the demonstration efforts starting in September 2021.
7) The creation of four dissemination videos, eight blog items, eight publications in scientific journals, four chapters in a book, and eight master thesis associated to the project.
ReMAP will define a roadmap towards the implementation of Condition-based Maintenance in aviation. ReMAP’s approach will be tested in an unprecedented 6-month operational demonstration involving several systems from two different aircraft fleets to contribute to this goal. It is expected that ReMAP will have an estimated benefit to the European aviation of more than 700 million Euro per year due to a direct decrease in maintenance costs, reduced unscheduled aircraft maintenance events, and increased aircraft availability. Furthermore, ReMAP will engage relevant aviation stakeholders in discussing the results from the demonstration and the definition of a White-paper for future Condition-based Maintenance implementations.
ReMAP Picture