Published on February 14, 2014
Data Storage for Remote Monitoring of Cat® Machines Using HDF Benjamin Hodel Advanced Virtual Product Development Caterpillar, Inc., Peoria, Illinois Caterpillar Non-Confidential
A Broad Range of Products and Industries Caterpillar Non-Confidential
Remote Monitoring • “Smart machine” technologies record and wirelessly transmit binary data from the field • In 2 years, 400 data loggers have generated 60 machine-years of data (6.5 TB plus 11 GB more per day) Caterpillar Non-Confidential
Data Management • Files converted from acquisition to analysis format • Data merged from multiple source files, for a specified machine, date range, and custom channel list Caterpillar Non-Confidential
• Data analyzed by multiple automated and interactive software applications • Actionable insight helps deliver quality products to the customer Data Analysis Caterpillar Non-Confidential
File Format GDF – Caterpillar proprietary format – Developed in 1990 based on HDF – 2 GB limit, no compression GH5 – Introduced in 2010 for intermediate storage – Developed using HDF5 framework – No limit, 90% compression – Analysis runs 28% faster – Support for PV-WAVE, MATLAB, Python, Java Caterpillar Non-Confidential
Remote Monitoring Data Management HDF5 reduced the required disk space by 10x Data Analysis Caterpillar Non-Confidential
Data Uses: Analysis Cat Electronics – Fault code resolution, ECM troubleshooting Validation – New system validation – Other software features, control strategies, components, systems, etc. R&D – Customer insight and usage, engine / machine load cases – Composite work-cycle segmentation Future considerations – Integrate HDF5 into Caterpillar’s standard data analysis tool – Use HDF5 to mediate other formats into databases Caterpillar Non-Confidential
Data Uses: GPS Mapping Caterpillar Non-Confidential
Questions? Benjamin Hodel (email@example.com) Michael Hoehn (firstname.lastname@example.org) Caterpillar Non-Confidential
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