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Jongwhoa Na

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Articles

A Comparison of Reliability and Resource Utilization of Radiation Fault Tolerance Mechanisms in Spaceborne Electronic Systems

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By Changhyeon Kim, Dongmin Lee, Jongwhoa Na
| MDPI
1. Introduction With the advent of the New Space Era, the development of space equipment systems utilizing commercial off-the-shelf electronic components has surged. Unlike the state-led space missions of the Old Space Era, modern commercial space development operates on a smaller scale and demands faster data processing [1,2].
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Methods for Analyzing Avionics Reliability Reflecting Atmospheric Radiation in the Preliminary Development Phase: An Integrated Failure Rate Analysis

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By Dongmin Lee, Jongwhoa Na
| MDPI
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
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A Comparative Study of Data-Driven Prognostic Approaches under Training Data Deficiency

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By Jinwoo Song, Seokgoo Kim, Seong Hee Cho, Jongwhoa Na
| MDPI
1. Introduction Predictive maintenance has become essential among modern industrial maintenance strategies, representing a paradigm shift from reactive to proactive maintenance. Essential part of the predictive maintenance is the prognostics that predicts the future health and remaining useful life (RUL) of the systems in concern. This proactive approach is key to maintaining uninterrupted operations across various industries, enhancing operational efficiency, and minimizing downtime.
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