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자동차용 HVAC DC motor 의 Carbon brush 편마모율과 ANT factor 와의 상관관계 분석
김정율(Jung-Yul Kim),이은직(Eun-Jik Lee),원승재(Seoung-Jae Won) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.10
Researches about factors affecting on the carbon brush wear ratio of a DC motor have been studied in detail but they were for finding out the related factors or analyzing them statistically. To solve these problems before this paper, it has already been verified that the carbon brush wear is increased proportionally according to A(current)×RPM×BT(Brush temperature). But in case of DC motors which have the one-biased wear, the effect of the ANT factor was not applied to exactly with dispersion errors, In this paper, it shows that the sum of wear ratios about both brushes is constant in proportion to the ANT factor. It is very important solution in verifying the effect of the ANT factor which was not trusted due to any external factors. Therefore, the main objective of this study is to confirm the correlation about the one-biased wear ratio of the positive and negative brushes with the ANT factor
이은직 김천과학대학 2008 김천과학대학 논문집 Vol.34 No.-
The local autonomy system has brought a change to the administration sector. The resident-oriented administration means to meet the needs of local residents, and the first-line administration agencies that give a direct impact on the lives of residents are required to offer higher quality, resident-oriented serves with new mind-set. In particular, civic affairs administration is more associated with the interests of people than anything else. Accordingly, civil affairs officials needs to render more friendly and faithful serve and handle civil appeals in a fair and prompt manner. The quality of their services is directly related to the government credibility. As modem administration focuses on the best-quality serves for the people, civil affairs administration gains in importance.