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        • KCI등재

          산란계의 체온 감시를 위한 이식형 소형 센서 노드

          김현중,양현호,Kim, Hyun-Joong,Yang, Hyun-Ho 한국정보통신학회 2010 한국정보통신학회논문지 Vol.14 No.10

          최근 최첨단 IT 기술을 선도하는 USN은 사회 전반에 걸쳐 활용되고 있다. u-City, u-Home, u-Education, u-Farming 과 같은 다양한 USN 응용 서비스가 진행되고 있으며 도시를 지나 농촌에서도 유비쿼터스 기술이 '제 2의 농업 혁명'을 불러 오고 있다. 유비쿼터스 농업은 가축이나, 농작물 등의 생산 단계에서 USN 기술을 적용해 기온, 습도, 조도와 같은 생육 환경을 최적으로 조성하여 생산성과 안전성을 높이는데 있으며 기존 농업 환경에 많은 변화를 줄 수 있다. 본 논문에서 제안하는 이식형 소형 센서 노드는 센서 네트워크용 SoC(System-on-Chip)을 이용하여 설계하였으며 닭의 흉부에 이식하여 몸체의 체온을 직접적으로 모니터링 할 수 있도록 하였다. 또한 이를 이용한 여러 활용 방안 및 추가적인 고려사항에 대하여 논하였다. Recently, USN technology has been spreaded to all areas of application systems. In addition to urban application systems such as u-City, u-Home and u-Education, u-Farming(ubiquitous farming) technology supports agricultural innovations in the farm. In the u-farming environment for livestock or plant production, key environmental factors i.e. temperature, humidity and luminosity are to be set optimally to increase productivity and safety by applying USN technology. This approach could change agricultural environment. In this paper, we proposed an implantable micro sensor node to be implanted into laying hen to monitor deep body temperature. This sensor node uses SoC(System-on-Chip) designed for USN. In addition to that, we discussed about further considerations on the practical use of proposed sensor node.

        • KCI등재

          U-헬스케어를 위한 패치형 체온 측정 시스템

          김현중,양현호,Kim, Hyun-Joong,Yang, Hyun-Ho 한국정보통신학회 2011 한국정보통신학회논문지 Vol.15 No.7

          유비쿼터스 컴퓨팅 기술의 발전과 함께 의료와 접목되어 시간과 공간에 구애받지 않고 언제 어디서나 건강관리를 받을 수 있는 새로운 형태의 의료서비스인 U-헬스케어가 많은 관심을 받고 있다. U-헬스케어를 실현하기 위해서는 일상생활 중 안정적인 생체정보 모니터링이 필수적이며 사용자를 구속하지 않으면서 생체정보를 간편히 측정할 수 있는 생체정보 측정 모듈이 연구되고 있으며 이를 통해 생체정보를 모니터링 하고자하는 시도들이 이루어지고 있다. 본 논문에서는 U-헬스케어를 위한 무선센서네트워크기반의 소형, 경량의 온도 센서노드를 제작하고 패치 형태로 신체에 부착하여 사용자의 활동에 불편함이 없이 실시간으로 체온을 측정하고 모니터링하여 이를 활용할 수 있는 방안을 제시하였다. With the advancement of ubiquitous computing technology, u-Healthcare (i.e. ubiquitous health care), is regarded as a key application for information society, which provides health management service at anytime in anywhere. To implement U-Healthcare system, it is essential to monitor stable biological information in daily life. In this paper, we proposed a small size, light weight, patch type real time temperature monitoring system based on wireless sensor network (WSN) technology to monitor patients' body temperature without any inconvenience of activity.

        • 슬립폼 적용을 위한 GFRP 거푸집 system 해석

          김현중,이기홍,김지은,조수현,심종성 한국구조물진단유지관리학회 2011 한국구조물진단학회 학술발표회논문집 Vol.2011 No.9

          In this study, the GFRP slipform Sytem was analyzed for suitability to use as replacement of conventional steel slipform system. The analysis was based on the relationship of structural deformations in the waller and form, obtained as a result of applied loading simulations. As a result of a number of simulation analyses, the optimum width of waller and the on centre spacing was determined as 310 ㎜ and 160 ㎜ respectively.

        • KCI등재

          토목섬유로 보강한 흙 시료의 일축 및 삼축 압축거동 해석

          김현중,김윤진,변성원,주창환,전한용,Kim, Hyun-Joong,Kim, Yoon-Jin,Byun, Sung-Won,Jo, Chang-Whan,Jeon, Han-Yong 한국섬유공학회 2009 한국섬유공학회지 Vol.46 No.3

          In this study, the effects of geosynthetics reinforcements on compressive behaviors of weathered granite soils were investigated by uni-axial and tri-axial compression tests. Geogrid, geomat, and polyethylene slit film fiber were used as reinforced geosynthetis. From the experimental results, these geosynthetics reinforcement effects could increase the compressive strength of soil and especially, the reinforced effects of geogrid and geomat were extremely excellent compared to polyethylene slit film fiber reinforced. This effect is larger for 3 layer geosynthetics used. For triaxial compression test, despite unconsolidated undrained condition, it is seen that the increasing shear strength of the weathered granite soils is due to the increasing adhesive power.

        • KCI등재후보

          견비통에 대한 약침요법의 임상적 연구

          김현중,장소영,이은용,Kim, Hyun-Joong,Chang, So-Young,Lee, Eun-Yong 대한약침학회 2005 Journal of pharmacopuncture Vol.8 No.2

          Objectives : This study was performed to examine effects of herbal acupuncture therapy on shoulder pain. Methods : Control group were treated by common acupuncture therapy and sample group were treated by common acupuncture therapy and herbal acupuncture therapy. We compared control group with sample group by VAS and ROM. Results : VAS of sample group were more decreased than control group. ROM of sample group were more improved than control group. Conclusion : The herbal acupuncture therapy may be good effects on the shoulder pain.

        • KCI등재

          RSSI 기반 센서 노드 위치 관리 기법을 적용한 캠퍼스 차량 관리 시스템 구현

          김현중,양현호,Kim, Hyun-Joong,Yang, Hyun-Ho 한국정보통신학회 2010 한국정보통신학회논문지 Vol.14 No.4

          Most of campus vehicle management systems, so far, simply manages coming in or go out of vehicles, issuing a parking tickets. Recently some of them use RFID tags to count total numbers of cars in the campus, excluding exact parking position management. In this paper we propose a new campus vehicle management system using wireless sensor network location management scheme. This system adopts RSSI based location management method with some performance improvement technique. According to the experimental result, this proposed scheme can be used to implement an effective campus vehicle management system. 이제까지 제안된 캠퍼스 내 차량 관리 시스템은 단순한 차량의 출입만을 관리하기위한 시스템이며 주차권을 발급하거나 CCTV를 이용한 차량 식별, 또는 간단히 차량에 부착된 RFID 태그를 인식하여 차단기의 계폐를 통제하는 시스템이 대표적이다. 이 시스템들은 차량의 출입만 통제할 뿐 차량의 위치를 파악하여 주차관리에 적용할 수 없는 어려움이 있다. 본 논문에서는 센서노드를 이동차량에 부착해 WSN의 위치추적기술의 하나인 센서노드에서 발신되는 수신신호세기를 이용한 방법을 통하여 수신 신호 세기(RSSI : Received Signal Strength Indication) 정보의 데이터베이스를 구축해 차량과의 거리계산과 위치까지 추적할 수 있는 응용프로그램을 구현함으로써 캠퍼스 내 차량의 위치 파악과 주차관리 등에 있어 보다 효율적인 방법을 제시하였다.

        • KCI등재

          일부 농업인에서의 농약 중독증상과 농약 사용정보에 대한 예비조사

          김현중,차은실,문은경,고유선,김재영,정미혜,이원진,Kim, Hyun-Joong,Cha, Eun-Shil,Moon, Eun-Kyeong,Ko, You-Sun,Kim, Jae-Young,Jeong, Mi-Hye,Lee, Won-Jin 한국환경보건학회 2011 한국환경보건학회지 Vol.37 No.1

          '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 7시까지 원문보기가 가능합니다.

          This study aimed to determine the feasibility of survey questionnaires for pesticide poisoning. We conducted a pilot study to develop a questionnaire for evaluating pesticide poisoning symptoms and to examine the validity of self-reported information for individual pesticides used. In December 2010 we interviewed 20 farmers with self-reported pesticide poisoning histories residing in Gyeonggi Province. For validity of pesticide information, the purchased pesticide lists from the agricultural cooperative federation were compared with individual self-reported pesticides used. Neurological symptoms were the most common among clinical symptoms related to pesticide poisoning, followed by gastrointestinal, dermal and eye symptoms. Insecticides were the main causative pesticide class for poisoning. Twenty one major symptoms were selected for screening for acute pesticide poisoning in a field study based on the pilot results and literature reviews. Substantial under-reporting was found in data on self-reported individual pesticides used (9.2%), as well as low accuracy (36%) compared with their actual purchase lists. In this pilot study, we suggest the selected symptom lists may apply to a field survey of pesticide poisoning. However, the self-reported information on individual pesticides may not be valid and alternative methods need to be developed.

        • SCOPUSKCI등재

          PCR을 이용한 glyphosate 저항성 콩의 검출법에 관한 연구

          김현중,박선희,김해영,Kim, Hyun-Joong,Park, Sun-Hee,Kim, Hae-Yeong 한국식품과학회 2001 한국식품과학회지 Vol.33 No.5

          본 연구는 유전자재조합 기술에 의해 개발된 glyphosate에 내성을 가지고 있는 콩(GTS)의 모니터링을 위하여 PCR을 이용한 검출 방법에 대한 실험을 수행하였다. Glyphosate에 내성이 있는 콩에 삽입된 유전자와 표준대조 유전자인 lectin과 ferritin 유전자를 근거로 제작된 primer와 CTAB 방법으로 추출된 콩의 DNA를 template로 이용하여 PCR을 수행하였다. GTS의 검출을 위한 제작된 primer들은 GTS와 특이적으로 반응하여 증폭된 PCR 산물을 생성하였으나, non-GTS와는 PCR 산물을 생성하지 못했다. 증폭된 염기서열 분석을 통하여 GTS에 특이적인 것을확인하였으며, 약 0.05%가 포함되어 있는 GTS까지 검출이 가능함을 보였다. A method using PCR was developed for the monitoring of glyphosate tolerant soybean (GTS) produced by the DNA recombination technique. We designed 3 pairs of specific oligonucleotide primers based on the gene sequences inserted in soybean and in lectin and ferritin genes as internal standards. Template DNAs were isolated from soybeans by the modified hexadecyl trimethyl ammonium bromide (CTAB)method and used for PCR with different primer sets. PCR, used with specific primer sets for GTS detection, showed the amplified DNA fragments with GTS template DNA but no product showed with non-GTS template. PCR amplified products were confirmed by DNA sequencing and were detected for up to 0.05% of GTS template DNA.

        • KCI등재

          요통(腰痛) 환자에 대한 이침(耳鍼)의 침자수법(鍼刺手法)에 따른 치료효과(治療效果)의 임상적(臨床的) 고찰(考察)

          김현중,김민수,이은용,박영재,Kim, Hyun-joong,Kim, Min-soo,Lee, Eun-yong,Park, Young-jae 대한침구의학회 2004 대한침구의학회지 Vol.21 No.1

          Objective: The purpose of this study is to evaluate the effect of auricular acupuncture therapy by using different techniques combined with common acupuncture treatment on lumbago patients. Methods: 30 patients with lumbago who were hospitalized in Semyung Univ. Oriental Medical Hospital were devided into three groups. Group A of 10 patients were treated by common acupuncture treatment and auricular acupuncture therapy by methods of burying needles. Group B of 10 patients were treatedd by common acupuncture treatment and auricular acupuncture therapy by methods of pricking needles. Group C of 10 patients were treated only by common acupuncture treatment. The pain scale and improvement index of these three groups were evaluated after 10 days of admission. Results: 1. On the score of pain scale, group A and B were both superior to group C, but had no specific difference(p=0.15). 2. On the score of improvement index, group B was superior to group A, and group A was superior to group C(p=0.04). Conclusions: The combination of auricular acupuncture therapy and common acupuncture treatment was more effective than only to use common acupuncture treatment to lumbago patients. Especially, using the auricular acupuncture therapy by pricking methods, was the most effective methods in increasing improvement index.

        • KCI등재

          자기요법이 봉약침 국소 알러지반응에 미치는 영향

          김현중,김민수,박영재,이은용,Kim, Hyun-joong,Kim, Min-soo,Park, Young-jae,Lee, Eun-yong 대한침구의학회 2004 대한침구의학회지 Vol.21 No.6

          Objective : This study was performed to examine the Magnetic therapy decrease the allergic reaction of Bee Venom. Methods : We injected BV to sample group(n=10) and control group(n=10) at 2 points of body, and also sample group was treated with Magnetic therapy additionally. We observed the change of local pain, pruritus, color difference value at 1 hour, 24 hours after injection. Results : Local pain, pruritus and color difference value of sample group were more decreased than control group. Conclusions : The Magnetic therapy decreased allergic reaction of Bee Venom.

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