Hyuk-Jun Chang

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ISO 26262 is an international standard for the functional safety of electric and electronic systems in vehicles, and this standard has become a major issue in the automotive industry. In this paper, a functional safety compliant electronic control unit (ECU) for an electric power steering (EPS) system and a demonstration purposed EPS system are developed,(More)
In 2015 an outbreak of Middle East Respiratory Syndrome (MERS) has occurred in South Korea, which has been known to be the second biggest outbreak of MERS so far. In this paper we study an estimation of the basic reproduction number of the coronavirus (CoV) of MERS based on the reported data from the MERS spread in South Korea. To this end we employ a(More)
BACKGROUND In South Korea, an outbreak of Middle East respiratory syndrome (MERS) occurred in 2015. It was the second largest MERS outbreak. As a result of the outbreak in South Korea, 186 infections were reported, and 36 patients died. At least 16,693 people were isolated with suspicious symptoms. This paper estimates the basic reproduction number of the(More)
HIV/AIDS drug treatment, such as highly active anti-retroviral therapy (HAART), often fails due to the emergence of drug resistant species. In this paper we investigate a new estimation method for the possibility of emergence of drug resistant mutation. To the best knowledge of the author this work is the first study to try to describe quantitatively the(More)
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