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- 저자 : 전민호 ( Minho Jeon ) (검색결과 3 건)
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조정희,배장한,김영민,전민호,양태헌,전영주,Cho, JungHee,Bae, JangHan,Kim, YoungMin,Jun, MinHo,Yang, TaeHeon,Jeon, YoungJu 대한의용생체공학회 2017 의공학회지 Vol.38 No.4
To improve and downsize the KIOM-Pulse Analysis System(KIOM-PAS), which has been traditionally used in clinical trials, a miniaturized PAS(M-PAS) with a pneumatic pump has been developed. M-PAS is composed of a measurement module and an arm-mounting module, on which an arm can be placed. The measurement module is equipped with a pressing component and sensor, which is a wearable wristband. The arm-mounting module includes a pneumatic motor, data acquisition board and valves. In addition, the measurement module is divided into a fixing module of band type for attachment to a pulsation site and a sensing module, which includes a sensor and a tube. The fixing module and sensing module are constructed independently, and the detachable fastening method improves the posture convenience of the subject during measurement. M-PAS has been reduced to 1/6 the size of KIOM-PAS, and the measurement time is shortened by 22%. Using a simulator, the difference between the waveforms measured by the two devices exhibited a high degree of similarity of within 3.65%. M-PAS represents improvements in size and convenience compared with KIOM-PAS, and it is expected to be widely used in clinics in the future because it improves the attachment method of the fixing module.
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신건 ( Geon Shin ),전재철 ( Jaechol Jeon ),전민호 ( Minho Jeon ),최석원 ( Sukwon Choi ),김익수 ( Iksu Kim ) 한국정보처리학회 2016 정보처리학회논문지. 컴퓨터 및 통신시스템 Vol.5 No.10
본 논문에서는 모션 센서를 이용한 군대 수신호 전송 시스템을 제안한다. 제안 시스템은 분대장 디바이스와 분대원 디바이스, 서버로 구성된다. 분대장 디바이스와 분대원 디바이스는 마이크로 아두이노와 가속도 센서, 자이로스코프 센서로 구현되었으며, 서버는 라즈베리파이3을 사용하여 구현되었다. 분대장 디바이스와 분대원 디바이스는 밴드 형태로 제작되었기 때문에 가볍고 휴대성이 좋다. 또한, 제안 시스템은 시야가 확보되지 않는 상황에서 진동을 통해 수신호를 전송할 수 있다. 제안 시스템에서 구현된 디바이스는 4가지의 수신호를 인식할 수 있으며, 실험을 통해 88.82%의 인식 성공률을 보였다. 본 연구의 결과물을 통해 군 작전의 효율성과 병사의 생존율을 높일 것을 기대한다. In this paper, we propose a system for transmitting army hand signals using motion sensors. The proposed system consists of a squad commander device, squad member devices, and a server. The squad command device and squad member device have been implemented using a micro arduino, an accelerometer sensor, and a gyroscope sensor, and the server has been implemented using a Rasberry Pi 3. Because the devices are made in the form of band, they are lightweight and portable. The proposed system can transmit the hand signals through vibration in conditions of poor visibility. We have designed and implemented the squad member device to be able to recognize four military hand signals. Through experiments, the proposed system have shown 88.82% of correct recognition. In conclusion, we expect to increase effectiveness of army operations and survival rate of soldiers.
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블루레이 광 조형 장치를 이용한 골 조직 재생용 스캐폴드 제작
김재훈(JaeHun Kim),최동일(DongIl Choi),전민호(MinHo Jeon),임동혁(DongHyuck Lim),박지환(JiHwan Park),이진우(JinWoo Lee),윤원수(WonSoo Yun) 대한기계학회 2013 대한기계학회 춘추학술대회 Vol.2013 No.12
One of the most important element in tissue engineering is a scaffold which have porous structure, proper mechanical strength, biocompatibility and biodegradability. In this study, we fabricated a scaffold using a blu-ray based micro-stereo lithography(MSTL) apparatus. The material used in scaffold fabrication was PPF-DEF, which is well-known for biodegradable photopolymer. Through post-curing process, the comprehensive strength of the fabricated scaffold was enhanced. To demonstrate the biocompatibility of PPF-DEF scaffold, MC3T3-E1 pre-osteoblast cell was seeded onto PPF-DEF scaffold and cultured for 3 days. The result shows that the PPF-DEF scaffold fabricated by a blu-ray based micro-stereo lithography apparatus is applicable to bone tissue regeneration.
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