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Wednesday, May 15 • 1:30pm - 2:00pm
Design Approach for a PHM System: Dual Set of Electromechanical Actuator Subsystems

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This paper describes a design for an example of a robust Prognostic Health Monitoring (PHM) system for a dual set of electromechanical actuators (EMA) subsystems. The paper is presented as a case study to address some of the major in a design of a PHM system that you face. Given a set of assemblies and subassemblies that are to be monitored for prognostic support, (1) How do you continually and simultaneously monitor them? (2) What considerations are related to sampling rates; prediction accuracy, resolution, and precision; state-of-health (SoH); (3) How do you associate a node or nodes to which one or more sensors are attached to software-program modules to condition data and extract features? (4) Is data to be acquired and processed in real time or near real time (directly from a sensor to program modules to prediction algorithms) or as batched data kept in files? The paper uses historical and experimental data with results from an example PHM system.

avatar for James Hofmeister

James Hofmeister

Distinguished Engineer, Ridgetop Group, Inc.

Wednesday May 15, 2019 1:30pm - 2:00pm
Freedom Ballroom I