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김승웅,Kim, Seung-Ung 대한타이어공업협회 1999 타이어 Vol.199 No.-
이 자료는 1999. 4. 25일~29일 서울 잠실 Lotte World Hotel에서 개최된 ‘99 서울국제고무회의(ICR’99 SEOUL)에서 발표한 자료임. 편집자 주
스마트폰을 이용한 신호 처리 기반 벨트 텐션 측정 Application 개발
김승웅(Seungung Kim),박주표(Jupyo Park),최현석(Hyunsuk Choi),이흥택(Heungtaek Lee),김경래(Kyunglae Kim) 한국자동차공학회 2022 한국자동차공학회 학술대회 및 전시회 Vol.2022 No.11
Currently, automobile steering system is increasingly being converted to electrified parts. In the electric steering system, the proportion of parts designed to generate high Rack force against high load is used as a Belt-type R-EPS is increasing. Accordingly, in the event of a problem of Belt-type R-EPS part, a partial replacement is required in order to reuse the usable parts, which is accompanied by an adjustment and inspection in terms of belt tension. Belt Type R-EPS partial replacement is possible only if a repair shop owns a tension meter necessary for belt tension adjustment, so it is being implemented limitedly. In this study, among the methods that can cope with the tension meter used for belt tension inspection, possible method is being reviewed without a tension meter by using mobile phone sound source, furthermore by developing a mobile application, it can be used in a repair shop in near future.
곽혜선,김승웅,전인구 한국약제학회 2002 Journal of Pharmaceutical Investigation Vol.32 No.2
To investigate the feasibility of developing a novel melatonin plaster, the effects of vehicles and drug loading dose on the in vitro permeation of melatonin across dorsal hairless mouse skin from pressure-sensitive adhesive (PSA) matrices were examined. Vehicles employed were propylene glycol laurate (PGL), propylene glycol monocaprylate (PGMC) and diethylene glycol monoethyl ether (DGME). Among PSAs used, only Duro-Tak^?? 87-2196 showed a good peeling property. The release from Duro-Take^?? 87-2196 was proportional to the square root of time, and dose-dependent. The fluxes increased as the loading dose increased over the doses under solubility. The relatively high permeation flux (3.03±1.37 ㎍/㎠/hr) was obtained when using PGMC at the melatonin loading dose of 45 mg/140㎠. Lag time was not affected by the vehicles used but by the thickness spread. The melatonin plasters prepared using PGMC showed a good adhesive property onto skin, and showed no crystal formation.