XRepo - Towards an information system for prognostics and health management analysis

XRepo 2.0

“…By analyzing and comparing these datasets, we figured out the following contextual metadata: system operative ranges, system operative condition, start and end date time of each acquisition, utilized sensors, measured variables, and sensor sampling frequency. However, none of the aforementioned datasets presents all this information in a unified manner (Ardila et al, 2020). In our opinion, this is determined by the lack of an information system for unifying and sharing the available PHM datasets.…”

“…The existence of such a platform would encourage users to define this information -rather than omitting important contextual metadata. In (Ardila et al, 2020), XRepo information system was proposed for standardizing the contextual metadata of PHM datasets.…”

“…Community When developing the first version of XRepo, different datasets were studied (Ardila et al, 2020). These datasets are available in the internet and can be downloaded without any restrictions.…”

“…This educational information system should enable professors and students to easily access sensor data from multiple sources, presenting their corresponding contextual metadata with a homogeneous format/metamodel. In fact, PHM data are shared with heterogeneous data formats and lack of metadata describing the particular experimental context (Ardila et al, 2020); e.g. the date of acquisition, and the health condition associated to the equipment, amongst others.…”

“…The architecture proposed within this work is built atop XRepo 1.0 (eXperiments Repository). XRepo 1.0 is an information system that allows users to store and share PHM datasets in a standard format within an experimental context (Ardila et al, 2020). The first version of the XRepo information system focused on the first three aforementioned challenges.…”