Prognostic Health Management of the DC Starter/Generator
Prognostics journal provides an international forum for the electronic publication of original research and industrial experience articles in all areas of prognostics, systems health management, and predictive analytics. Prognostics journal is an open access journal, which is freely available online to anyone, anywhere. The journal is committed to rigorous yet rapid reviewing. Final versions are published electronically (ISSN 2167-4167) immediately upon acceptance.
Prognostic Health Management of the DC Starter/Generator
Todd D. Batzel, Jeffrey Banks, Kevin Cunningham, Scott Harris
PJ Vol 2, No 1 (2014); doi:10.13176/12.542 
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Todd D. Batzel, Jeffrey Banks, Kevin Cunningham, Scott Harris
Abstract
Prognostic Health Management (PHM) and condition monitoring are often used in aerospace applications to provide comprehensive assessment of system health and to detect performance degradation for safety critical and maintenance intensive systems. PHM tools that can predict remaining useful life of a system enable more informed maintenance decisions, reduced maintenance cost and unnecessary system downtime, and increased fleet readiness. In this paper, PHM techniques are developed for a DC starter/generator used in helicopter power system applications. The overall goal of this development is to provide actionable prognostic information to maintenance personnel for forecasting parts replacement and to extend existing service intervals associated with the DC starter/generator. Historical maintenance information on the DC machine indicates that worn brushes are the primary source of failure; therefore the focus here is on developing an approach for predicting the remaining useful life of the brushes. The algorithm and implementation of the proposed DC starter/generator PHM approach are each presented in this paper, and the technique is then tested through laboratory experiments performed on the DC starter/generator. The information produced through the PHM approach developed here will allow the maintainer to more efficiently service a larger fleet, help to avoid unexpected failures, and reduce the overall life-cycle cost of the system.
PJ Vol 2, No 1 (2014); doi:10.13176/12.542 | Full Text  | Share this paper: