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허승진,임창선,임준혁,Heo, Seung-Jin,Lim, Chang-Sun,Yim, Jun-Hyok 척추신경추나의학회 2010 척추신경추나의학회지 Vol.5 No.1
Object: This study was planned to show the physical characteristics of soccer player and their Yangdorak measurements. Method: We categorized 5 study group. (I-Players classified by age; II, III-Players and control group; IV-Players who had positive RF and the others; V-Players who had digestive disorder and the others) And We conducted the potentiality of skin resistance(Yangdorak) and GFS, PFT, ECG and the other, then analysis that. Result: As old aged group, Yangdorak shown lower RS, but that was not significant. Player group had higher Yangdorak score at H5, F1, F2, F5 than control group. Player group was shown better cardiopulmonary function, but H1, H2, H3 score were not significant. Players who conducted RF test shown not significant difference of H4 measurement between positive and negative group. Digestive disorder group had higher F1, F6 score, but that wasn't significant.
Recent advances in low-temperature solution-processed oxide backplanes
허승진,윤두현,정태수,김현재 한국정보디스플레이학회 2013 Journal of information display Vol.14 No.2
Applicable flexible electronics, particularly flexible displays, have been developed for next-generation devices in recent years. Sol–gel processing, for example, which uses low-temperature annealing, is a promising technique. This review article focuses on recent advances in achieving low-temperature, solution-processed oxide thin-film transistors (TFTs) through chemical and physical approaches. First, chemical approaches were overviewed in terms of solute and solvent engineering. Second, physical approaches were summarized that some researchers added energy resources except heat on the conventional sol–gel process. The additional energy sources involve microwave annealing, high-pressure annealing, and ultraviolet irradiation. This review article offers an overview of these techniques introduced in details. From these efforts, metal-oxide TFTs can be fabricated at 150◦C maintaining their device performance.
연속 가변식 반능동형 현가시스템의 승차감 및 주행안전성 제어기 설계 해석
허승진,황성호,박기홍 한국소음진동공학회 2004 한국소음진동공학회 논문집 Vol.14 No.1
The semi-active suspension system is getting widely adopted in passenger vehicles for its ability to improve ride comfort over the passive suspension system while not degrading driving safety. A key to the success is to develop practical controllers that yield performance enhancement over the passive damper under various driving conditions. To this end, several control strategies have been studied and evaluated in this research in consideration of practical aspects such as nonlinearity and dynamics of the damper. From simulation results. it has been observed that, with the proposed control schemes, ride comfort can be significantly upgraded while suppressing degradation of driving safety.
허승진 대한기계학회 1988 大韓機械學會誌 Vol.28 No.1
차량 주행특성을 규명하기 위한 연구방법에 대한 일반적 고찰을 토대로 주요 개방회로시험과 관련 평가기준들이 소개되었다. 그러나, 차량의 주행상 안전도 연구를 위한 종합적인 척도는 이제까지 설명된 평가기준들로부터 아직 명확히 귀결지을 수 없음을 강조하여야 한다. 이유로 서는, 한편으로 응용되어진 연구방법들이 실제 교통사고 발생상황을 포괄하기에는 아직 불충분 하며, 또 한편으로는 주어진 한 시험방법에서 주행안전도 판정을 위해 제기된 특성치가 절대적인 값으로 확정지을 수 없기 때문이다. 따라서 전체 시스템 '운전자-차량-환경'에 있어서 주행특 성의 완전한 평가를 내리기 위해서는, 객관적으로 서술될 수 있는 차량의 주행특성-안정성 및 조절성과 운전자에 의한 주관적인 판별 또한 환경요소에 의한 영향들에 대하여 상호 연관관계가 복합적으로 해석. 규명되어져야만 할 것이다.