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SCADE 를 이용한 CBTC 지상장치 소프트웨어 ATO 기능 모델링 기법
박채정 ( Chae-jung Park ),이덕희 ( Duk-hee Lee ),유성호 ( Sung-ho Yoo ),최선아 ( Sun-ah Choi ),조동래 ( Dong-rae Cho ) 한국정보처리학회 2010 한국정보처리학회 학술대회논문집 Vol.17 No.2
본 논문은 통신기반 열차제어방식으로 주목 받고 있는 CBTC 시스템의 지상장치 소프트웨어 기능을 모델기반 개발도구인 SCADE 를 이용하여 설계하는 기법을 제시한다. CBTC 지상장치의 ATO 기능은 모델링 후 다양한 테스트 케이스를 통해서 기능을 검증하였다. 수행된 모델링을 통해서 SCADE 가 CBTC 소프트웨어 시스템을 개발하는데 효과적으로 사용될 수 있음을 제시한다.
박남식(Nam-Sik Park),채정복(Jung-Bok Chae) 한국차학회 2010 한국차학회지 Vol.16 No.2
This study sheds new light on the mentality of Korean tea culture by considering Hyodang Choi Bum-Sool’s spirit of Chado. Hyodang succeeded the legacy of Cho Ui’s the spirit of Chado through a long period of Chasallim with asceticism practices as a monk, and was called the modern king of Chado. His publishing ‘Hangukui Chado’ had significant meaning as the first an introduction to Chado in the Tea World. In Hyodang’s spirit of Chado that appears in ‘Hangukui Chado’, Chado’s Joongjungjido spirit in the aspect of everyday life and the Chasunilche (Tea-Zen Unification) spirit in the aspect of discipline that Cha-life has are emphasized.
관악산에서 참진드기 조사 및 중증열성혈소판감소증후군 바이러스 검출
채정병,김태희,정지호,박윤지,박진호,최경성,유도현,박배근,채준석,Chae, Jeong-Byoung,Kim, Tae-Hee,Jung, Jee-Ho,Park, Yoon-Ji,Park, Jin-Ho,Choi, Kyoung-Seong,Yu, Do-Hyeon,Park, Bae-Keun,Chae, Joon-Seok 대한수의학회 2017 大韓獸醫學會誌 Vol.57 No.3
This study was performed to investigate the distribution of ticks and the rate of infection with severe fever with thrombocytopenia syndrome (SFTS) virus in ticks collected at Mt. Gwanak and the Seoul National University campus, Korea. Ticks (n = 273) were collected from May to October and included 76 Haemaphysalis longicornis (4 adult females, 72 nymphs), 49 Haemaphysalis flava (9 adult females, 3 adult males, 37 nymphs), and 148 Haemaphysalis spp. larvae. SFTS virus detection was performed by using one-step RT PCR and nested PCR. The SFTS virus was detected in 7 samples (1 Haemaphysalis longicornis nymph, 3 Haemaphysalis flava nymphs, and 3 Haemaphysalis spp. larva). The overall minimum field infection rate was 2.6%, whereas the minimum field infection rates of adult, nymphal, and larval ticks were 0%, 3.2%, and 2.0%, respectively. For a more accurate indication of the prevalence of SFTS virus in Korea, further in-depth investigations of tick species and SFTS virus occurrence over a larger area and longer period are needed.
박기수(Gie Soo Park),김자영(Ja young Kim),박채정(Chae Jung Park),이성훈(Sung Hoon Lee),류명선(Myung Seon Ryou) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
The CBTC(Communication Based Train Control) system a recent train control system is a wireless communication based train control system that is operated in the moving block system control by tracking trains in real time. In additioin the system helps to increase the volume of traffic by shortening driving headways through controlling moving block system control. Furthermore driverless modes are performed by controlling ATP(Automatic Train Protection)/ATO(Automatic Train Operation). In this paper controllable elements in ATO driverless train control system affecting comfortable ride will be analysed and applied to CBTC train control system that developed by POSCO ICT. Finally the test results of improved comfortable ride will be showed by appling the developed system to the Gyeong-san light rail transit test track
심박 변이도를 이용한 태안 원유 유출 사고 피해 주민의 스트레스 증상 평가
황선영(Sun Young Hwang),박민선(Min-Sun Park),정영은(Young-Eun Jung),김상하(Sang Ha Kim),박주언(Joo-Eon Park),우종민(Jong-Min Woo),최수찬(Soo Chan Choi),채정호(Jeong-Ho Chae) 대한사회정신의학회 2010 사회정신의학 Vol.15 No.2
연구목적: 2007년 12월 7일 충청남도 태안군에서 예인되던 크레인 바지선이 정박 중인 유조선과 충돌하는 사고가 발생하여 다량의 원유가 해상에 유출되었다. 본 연구에서는 원유 유출 사고로 인해 직접적인 손해를 겪은 태안군 7개 지역 거주민들의 심박 변이도 (heart rate variability, HRV)를 측정하여, 스트레스 수준을 객관적으로 측정하고 시기에 따른 스트레스 수준의 차이가 발생하 는지 알아보고자 하였다. 방 법: 2008년 1월 29일부터 2월 19일 사이에 사단법인 한국직장인전문가협회의 재난관리 지원센터를 방문한 185명이 연구에 참여하였다. 첫째 주에서 넷째 주까지 방문한 주에 따라 주민들을 네 군으로 나누어 방문 당시 심박변이도 검사를 시행하였다. 생리적 스트레스 측정치의 지표로서 ‘심박 변이도 스트레스 지수 (HRV stress value=(Low-High)*0.5)’를 계산하여 사용하였다. 결 과: HRV를 시행한 전체 피해 주민 185명 가운데 87.5%(162명)가 위험군 이상의 수치를 나타내고 있었고, 그 중 69.8%(129명) 는 고위험군에 속하였다. 1주째 방문자에서 4주째 방문자까지 네 군간에 유의한 변화는 보이지 않았다. 결 론: 본 연구 대상자들의 스트레스 지수가 4주 째에도 높게 측정되었다는 점은 재난 후 증상을 해결하기 위해 더욱 많은 비용과 노력이 필요하게 되었음을 의미한다. 이러한 결과를 바탕으로 하여, 피해 주민들의 스트레스 증상이 보다 심각한 증상으로 이행 하는 것을 막을 수 있도록 즉각적인 위기관리 시스템을 구축하는 것이 중요할 것으로 보인다. Objectives:On December 7th 2007, a massive oil spill occurred in Tae-an gun, Chungcheugnamdo Province, South Korea. This journal aims to investigate the stress-related responses of the local residents in 7 different areas of Tae-an gun by measuring HRV. Methods:A total of 185 residents, who had taken part in any of 7 Disaster Management Support Centers at the 7 areas from 29th January to 19th February 2008, were included for the study. All participants were divided into four groups by the week they visited and assessed for heart rate variability(HRV). ‘HRV stress value ((Low-High)× 0.5)’ was used to measure physiological stress index. Results:Among 185 participants who assessed HRV, 87.5%(n=162) were in risky group. And among them, 69.8%(n=129) were in high-risk group. Average HRV stress index showed no significant difference among four groups. Conclusions:These results mean that the stress-related symptoms after the disaster get chronic to need more expense and effort to solve them. It highlight the need for acute and appropriate intervention to reduce the stressrelated symptoms of the victims to prevent further serious psychiatric consequences.
태안 원유 유출 사고 피해자에게 제공한 숲 환경을 이용한 긍정심리학 기반의 다중 심리적 중재의 효과
정영은(Young-Eun Jung),박민선(Min-Sun Park),박주언(Joo-Eon Park),우종민(Jong-Min Woo),최수찬(Soo Chan Choi),채정호(Jeong-Ho Chae) 대한스트레스학회 2010 스트레스硏究 Vol.18 No.3
원유 유출 사고는 태안 주민들에게 극심한 정신적 고통을 초래한 외상적 사건이다. 본 연구는 태안 피해 주민을 대상으로 스트레스 반응과 외상 후 증상을 평가하고, 숲 환경을 이용한 긍정 심리학 배경의 중재 프로그램의 효과를 알아보고자 하였다. 37명의 태안 주민이 강원도에 위치한 산림원에서 시행된 3일간의 프로그램에 자발적으로 참여하였으며, 외상 관련 증상과 스트레스 반응을 같이 평가 받았다. 연구 결과, 태안 피해 주민은 많은 수가 심각한 외상 후 스트레스 장애 증상을 겪고 있으며, 프로그램 참여가 스트레스 반응 및 생리적 변화에 있어 긍정적인 효과가 있는 것으로 조사되었다. The oil spill around Taean peninsula has traumatized and has dawned such psychological sufferings onto the inhabitants. The purpose of this research is to identify the symptoms of posttraumatic stress disorder (PTSD) among Taean inhabitants and investigate the effects of multiple psychological interventions that took place in the forest environments. Thirty seven Taean inhabitants voluntarily participated in the program which was held at an arboretum in Kangwon-do for 3 days. The program consisted of multiple psychological interventions based on positive psychology. We assessed the participants using self-reporting questionnaires consisting of symptoms related to trauma and stress-related reactions. As a results, the majority of Taean inhabitants participating in the program had serious PTSD symptoms. The psychological interventions based on positive psychology in the forest environments is effective in alleviating stress reactions and stabilizing physiologic response. (Korean J Str Res 2010;18:181∼189)
무선 메쉬 네트워크를 이용한 열차무선통신망 구축 및 성능시험
조동래(Dong-Rae Cho),유성호(Sung-Ho Yoo),김자영(Ja-Young Kim),박채정(Chae-Jung Park),이성훈(Sung-Hoon Lee) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
A mesh node a component of a mesh network is connected with the network by dynamic routing using routing protocol and collects the information of adjacent or connected mesh nodes for its self-management and settings. Also it relays packets between the mesh nodes and provides AP(Access Point) with its corresponding functions based on IEEE 802.11 a/b/g for clients' access to the network. In this paper the study focused on the design and performance tests of Wireless Mesh Network(WMN) which is applied to the wireless communication network for the CBTC(Communications Based Train Control) system. The WMN was established on a K-AGT test-line (Kyeongsan city Gyeongsangbuk-do) and to verify the applicability its operation and performances are checked by measuring the data throughput delay latency quality measurements such as transmission loss radio interference and path recovery and setup between the on-board and wayside.
치료 저항성 환청을 나타내는 만성 정신분열병 환자에서 측두두정부 반복 경두개자기자극의 효과
정경희,최충식,박진수,이규항,함웅,이승환,채정호 大韓神經精神醫學會 2004 신경정신의학 Vol.43 No.5
Objectives : It has been reported that repetitive transcranial magnetic stimulation (rTMS), which stimulate the focal region of brain may relieve auditory hallucination in patient with schizophrenia. This study was aimed to evaluate the effect of rTMS on left and right temporopahetal cortex in schizophrenic patients with treatment-resistant auditory hallucination. Methods : Twenty-six patients with chronic schizophrenia with treatment -resistant auditory hallucination were randomly a1-located to rTMS group on left and right temporoparietal head regions. The rTMS was applied to TP3/4 region by EEG 10-20 international system at 1 Hz for 20 minutes per day for 101reatment days. A Figure of eight TMS coil with a solid core was used for rTMS at 100% of individual motor threshold. Efficacy was evaluated with Auditory Hallucination Rating Scale (HRS), Positive and Negative Symptoms Scale (PANSS), Clinical Global Impression (CGI) Scale on 5 and 10 days of treatment. Results : Ten days administration of l-Hz rTMS to temporopahetal cortex significant improved frequency (p<0.001) and attentional salience (p=0.038) of auditory hallucination, Positive (p<0.001) and negative symptom (p=0.02), and CGI-impro-vement (p<0.001). There were no significant differences between right and left side stimulations. Conclusion : These results suggest that the low frequency rTMS on temporopahetal cortex may be useful in treating Schizo-phrenic patients with treatment-resistant auditory hallucination and it could be a useful novel treatment option.