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The Coupled Electro-Thermal Field Analysis for Predicting Over-Current Protector Behavior
배재남,이성구,한정호,정해양,이주 한국조명.전기설비학회 2008 조명·전기설비학회논문지 Vol.22 No.7
The characteristics of heat transfer of the bimetal disc for over-current protection device is specified. Bimetal consists of two metals which have a different thermal expansion coefficient. To analyze the thermal characteristics, temperature distribution when bimetal acts as a switch is calculated. As usual, heat source is applied to the bimetal and electric current is heat source in the over-current protection switch. In this paper, thermal distribution are obtained by solving a coupled electro-thermal field with 3D finite element method.
비선형 자기등가회로 해석을 통한 IPMSM의 쇄교자속 계산에 관한 연구
배재남,이성구,김원호 대한전기학회 2022 전기학회논문지 Vol.71 No.7
This study describes a method for obtaining the flux linkage, which is the most important parameter in IPMSM. In order to take into account the magnetic flux saturation in the core, the nonlinear analysis approach and the MNA method, which is easily implemented using a computer algorithm, were utilized. In addition, a method for avoiding oscillating solutions when employing the MNA approach was described. In order to determine the flux linkage for each rotor position, the moving winding approach was used to determine the flux linkage for six distinct rotor locations from a single magnetic equivalent circuit. By comparing the MNA-obtained flux linkage to the findings of finite element analysis, the flux linkage's validity was confirmed.
배재남,조맹제 대한신경정신의학회 1994 신경정신의학 Vol.33 No.2
Objects : To evaluate the prevalence of comorbid mental disorders and exam the effect of comorbidity and age of onset on the clinical variables in alcoholism. Methods : Using SCID-P the authors interviewed 101 male alcoholics hospitalized in Seoul Municipal Hospital, generating DSM-III-R diagnosis. After this we analysed the effect of presence of comorbid mental disorders and early age of alcoholism onset on the various clinical variables of alcoholism. Results * 46% of alcoholics were associated with comorbid mental disorders. Schizophrenia(10 %) and delusional disorder(lO%) were most common comorbid diagnoses followed by major depression(9% ),simple phobia(6%) and antisocial personality disorder(6%). Association with other mental disorders and early onset seemed to be related with poorer course, higher rate of familial history and criminality. Conclusion : The most frequent additional disorders were schizophrenia and delusional disorder in Korean male alcoholics, which needs further investigation for generalization. The results support the notion that presence of comorbidity and onset age have significant relations with a few clinical variables in alcocholism
정신과 환자들의 의료서비스 이용에 관한 연구 : 경기도 연천 지역에서 In Yonchon Area of Kyunggi Province
황성혜,홍진표,권준수,우종인,김중술,조두영,이부영,조맹제,양병국,배재남 大韓神經精神醫學會 1996 신경정신의학 Vol.35 No.4
본 연구는 농촌지역 정신과 환자들의 의료서비스 이용 형태를 알아보고자 하여 행하여졌다. 경기도 연천군 주민중 1993년 1년간 지역 의료보험과 의료보호자료에서 정신과적 진단을 받은 사람들 1295명 중 209명을 대상으로 하였다. 연구자들이 제작한 반구조화된 면담도구를 사용하여 13명의 훈련된 면담자에 의해 증상을 처음 느낀 후 이용한 의료서비스를 차례대로 조사하였다. 결과는 다음과 같다. 정신증적 장애 환자들은 정신과 치료만을 받은 경우가 28.8%이며 처음 방문한 의료서비스는 정신과 45%, 일반의 28%, 약국 6%, 한방치료 5%, 요양원 6%, 기타 10%였다. 비정신증적 장애 환자들은 정신과를 한번이라도 이용한 경우는 32.1%였고 처음 방문한 의료서비스는 정신과 15%, 일반의59%,약국 17%, 한방치료8%, 기타1%였다. 진단에 따라서는, 정신분열병의 경우 64.5%가 처음에 정신과를 방문하였고 정동형 정신병의 경우는 20.8%에 불과했고 64.1%가 일반이나 약국을 처음에 방문하였다. 신경증적 장애(ICD-9 300)는 40.0%가 일반의만을 방문했다. 이상의 결과로 정신분열병 환자들은 대다수가 정신과 치료를 받는 것으로 나타났으나 정동형 정신병과 신경증적 장애는 다수가 일반의를 이용하는 것으로 나타났다. 지역사회 정신보건에서 일반의의 역할이 매우 중요하며 일반의에 대한 정신과 교육이 절실하고, 보다 전문적인 치료환경과 기술을 요하는 경우에는 정신과와의 연계 체계의 필요성도 요구된다. The purpose of this study was to investigate the pathways of health care seeking by the psychiatric patients at a well - defined rural area in Korea. Among 1,295 patients diagnosed to have mental disorders by ICD-9 in a year, all the psychotic patients(184 in number) and randomly selected 15% of nonpsychotic patients(162 in number) were selected as subjects of this study. Thirteen well - trained interviewers collected the data using semi-structurd inter-view instrument developed by the authors. Two hundred nine patients(60.4%) fully responded to the interviews. As for psychotic patients, 28.8% used only psychiatric services, and the first visits for help were psychiatrists, general practitioners, pharmacists, asylums and oriental herb medicine in the order of decreasing frequency. Only 32.1% of nonpsychotic patients used mental health specialties during the course of their illness, and their most common first visits for care were general practitioners(59%) followed by pharmacists(17%) and psychiatrists(15%). Majority(64%) of schizophrenic patient visited psychiatrist first, while 64.1% of affective psychosis patients visited general practitioners and pharmacists first. The forty percent of neurotic patients(ICD-9 300) visited general practitioners only for their health care.
배재남(Jaenam Bae),임승빈(Seungbin Lim),김기찬(Kichan Kim),정대성(Daesung Jung),이성구(Sunggu Lee),이주(Ju Lee) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.10
유한요소법을 사용한 전기기기의 해석에서는 움직임을 고려한 해석이 필수적이다. 본 논문에서는 전기기기의 유한요소 해석시 움직임을 고려하기 위한 방안으로써 Moving Surface기법을 소개하고 이 기법의 적용방법 및 장단점에 관하여 논하였다. 또한 이 기법을 검증하기 위하여 Moving Surface기법을 적용한 유한요소해석 프로그램을 개발하고, 개발한 프로그램을 사용하여 실제 모델을 해석해 그 결과치를 실험치와 비교함으로써 타당성을 입증하였다.
배재남(Jae-Nam Bae) 대한노인정신의학회 2001 노인정신의학 Vol.5 No.2
In almost all countries, older adults present higher suicide rates than young peo-ple and generally, lifetime suicide risk and the wish to die are positively correlated with increase in age. In Korea, the number of the population in the elderly has been increased more rapidly than other age groups. Through analyzing the officially reported suicidal statistics, we found that the rates and number of elderly suicide in Korea have been increased since 1985, and suicide was most prevalent among 'old and old' and tended to be more prevalent among men, like western world. Some studies about the elderly suicide were reviewed. A community survey reported that 14.6% of the elderly aged 65 years and over in rural area had repeated feelings that they wanted to die during the previous 2 weeks, and the significant associated factors with the wish to die were depressive disorder, age 85 and over, and poor economical status. But there have been a few studies about the elderly suicide, suicide attempt and death thought in Korea. The needs to understand suicide among the elderly is becoming more urgent and should generate more research. Knowledge of the conditions leading to suicide will aid clinicians and public policy makers by facilitating the effective development of intervention and prevention programs.