Member since: Feb 19, 2011, NASA Ames

Experimental and Analytical Development of a Health Management System for Electro-Mechanical Actuators

Shared by EDWARD BALABAN, updated on Jun 07, 2011


Author(s) :
Matthew Smith, Matthew Watson, Sudarshan Bhardwaj, Carl Byington, Genna Swerdon, Kai Goebel, Edward Balaban

Expanded deployment of Electro-Mechanical Actuators (EMAs) in critical applications has created much interest in EMA Prognostic Health Management (PHM), a key enabling technology of Condition Based Maintenance (CBM). As such, Impact Technologies, LLC is collaborating with the NASA Ames Research Center to perform a number of research efforts in support of NASA’s Integrated Vehicle Health Management (IVHM) initiatives. These efforts have combined experimental test stand development, laboratory seeded fault testing, and physical model-based health monitoring in a comprehensive PHM
system development strategy. This paper discusses two closely related EMA research programs being conducted by
Impact and NASA Ames. The first of these efforts resulted in the creation of an electro-mechanical actuator test stand for the Prognostics Center of Excellence at the NASA Ames Research Center. The second effort is ongoing and is utilizing physics-based modeling techniques to develop an algorithm and software package toolset for PHM of aircraft EMA systems using a hybrid (virtual sensor) approach.

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