자동차용 부품 제조회사의 생산관리용 전산시스템 개발

주운기,윤철호 선문대학교 중소기업기술지원연구소 2001 선문공대 연구/기술 논문집 Vol.6 No.1

자동차용 부품을 생산하는 중소기업체에서 회사내 업무 전산화를 위해 활용할 수 있는 전산시스템을 개발하였다. 자동차용 부품 생산은 주로 이산(discrete) 생산이고 주문(order) 생산품이 많으므로, 제품 및 부품에 대한 관리를 수작업으로 하기는 어렵다. 따라서, 전산시스템을 이용한 관리가 필요한데, 본 연구개발에서는 현재의 업무 처리 방식, 생산 환경, 전산망의 상황 등을 고려하여 기존 시스템의 문제점들을 해결하고 개선한 전산시스템을 개발하였다. The objective of the study is in development of a software for a small and medium company. Our software will be utilized to improve the planning and control process in discrete and order production environment. Most of companies have at least one software for the production planning and control. By the way, there exist few companies having a software of good fitness of the company. This study develops a new software to have good fitness for the company I by modifying and improving the existing one of the company.

간질환자들의 자기공명영상소견

주양구,손철호 啓明大學校 醫科大學 1995 계명의대학술지 Vol.14 No.4

To evaluate the causes of the epileptic seizure and the usefulness of the MR imagings for detection, localization, and differentiation of structural epileptogenic abnormalities. We retrospectively reviewed 101 patients who had seizure episodes and had undergone brain MRI for recent 1 years. The causes of the seizure were classified into brain atrophy, traumatic or post-operative lesions, congenital or developmental anomaly, tumor, vascular malformation, white matter disease, infectious disease and others. The location of the lesions were classified onto diffuse, frontal, parietal, temporal, occipital and others. Fourty-two of the 101 patients had brain atrophy, 23 patients had lesions secondary to trauma or surgery, 12 had congenital or developmental anomaly, seven had tumor, six had vascular malfomation, four had white matter disease, two had infectious disease, and five others had two arachnoid cysts, one hydrocephalus, one eclampsia, and one tuberous sclerosis. The lesions were located at the parietal lobe in 17 patients, frontal lobe in 15, temporal lobe in 21, and occipital lobe in four. MR imaging is the technique of choice when examining a patient who is having seizures. Detection, localization, and differentiation of structural epileptogenic abnormalities are much better with MR imaging than other diagnostic method.

체계적인 학적부 관리시스템 개발에 관한 연구

주철민 東西大學校 2000 동서논문집 Vol.6 No.-

본 연구에서는 대학의 체계적인 학적부 관리를 위한 정보시스템 구축 사례를 소개한다. 학생 개개인에 대해 입학할 때부터 졸업할 때까지, 더 나아가 졸업 이후까지도 체계적이고 지속적으로 지도하기 위해서는 학생의 다양한 정보를 효율적으로 수집, 분석 및 관리하여야 하며, 이를 위해서는 학생 개개인의 학적부를 체계적으로 관리할 수 있는 정보 시스템의 구축이 필수적이다. 이에 본 연구에서는 소속 대학의 학적부 관리업무를 대상으로 정보시스템을 구축한다. In this paper, a case study is introduced on the development of a management system for school register. For the systematic and continuously instruction to the students from enterance to graduate, the various informations of the students are collected, analyzed, and managed efficiently. Thus, a systematic information management system for school register is needed. In this paper, an information system for management of school register is developed to manage efficietly the whole information related with students of a university.

심부전환자에서의 혈관내피세포의존성 혈관이완반응

조주희,김철호 대한순환기학회 1998 Korean Circulation Journal Vol.28 No.10

UPS 응용을 위한 3상 PWM 인버터의 새로운 전압 제어 방법

박남주,임철우,정세교,이영조 慶尙大學校 工科大學 自動化및컴퓨터應用技術硏究所 1999 自動化 및 컴퓨터應用技術 Vol.6 No.1

This paper describes a novel control method of a three-phase PWM inverter for uninterruptible power supply(UPS) applications. To obtain the fast dynamics and excellent harmonic characteristics, a new state feedback control technique is proposed. The proposed control consists of the inner-loop current and outer-loop voltage controllers with a load current estimator to reduce the effects of the load variations and nonlinearity. In order to verify the effectiveness of the proposed control, the simulation is carried out for various load condition.

하악전돌증 환자의 수술후 안모길이 및 폭경의 변화에 관한 연구

김은주,문철현 대한치과교정학회 2000 대한치과교정학회지 Vol.30 No.3

하악전돌증(mandibular prognathism or mandibular prognathic patient) 환자의 경우 전후방과 수직적 악골(maxilla)의 부조화정도가 심하거나 안면측모(facial profile)에 대한 심미적 인식도가 클 때에는 교정치료만으로는 심미적으로 만족한 결과를 얻기가 어려우므로 악교정수술(orthognathic surgery)과 병행되어야만 한다. 이럴 경우 심미적인 개선은 환자의 치료결과에 대한 만족도에 중요한 요소가 되고 있지만 미에 대한 기준을 객관화하는데는 많은 문제점을 갖고 있어 그 평가도 환자자신의 주관적인 관점에 의하여 내려지게 된다. 우리나라의 경우 얼굴심미에 대한 기준이 서구인의 외형을 선호하는 경향이 있어 전통적인 둥그런 얼굴보다는 달걀형의 갸름한 얼굴모양을 선호한다. 이 연구는 하악전돌증으로 인한 악교정수술결과 술후 얼굴폭이 넓어져 수술전보다 얼굴의 모양이 둥그렇게 되었다고 호소하는 환자가 있어 시도하게 되었다. 악교정수술전후의 안모길이 및 폭경의 변화에 관한 연구를 위하여 하악전돌증을 주소로 악교정수술을 받은 총 14명 환자(남자 8명, 여자 6명)의 정모두부방사선사진 계측(skull PA analysis)과 설문조사를 통하여 수술후의 안모변화 및 환자의 만족도에 대한 분석을 시행하여 다음과 같은 결론을 얻었다. 1.14명의 환자중 3명(21.4%)이 얼굴이 넓어졌다고 답하였다. 2.악교정수술(orthognathic surgery)후 하악골폭경(mandibular width)은 A군은 변화가 없었으며, B군은 0.7mm 감소하였고, 안면폭경(zygomatic width)은 A군에서는 0.45mm, B군에서는 0.66mm의 증가를 보였다. 3.악교정수술후 얼굴길이의 변화는 A군에서는 상안면 고경(upper facial height)이 0.52mm증가, 하안면고경(lower facial height)이 1.19mm감소, 하악골 고경(mandibular height)이 0.7mm 감소하였으며, B군에서는 상안면 고경이 0.67mm 감소, 하안면고경이 3.66mm 감소, 하악골 고경이 5mm 감소하였다. 4.수술후 안면폭경에 대한 안면고경(facial height)의 비율은 A군에서 1.5%, B군에서 3.6% 감소하였다. 5.수술후 안면폭경에 대한 하악골 길이(mandibular height)의 비율은 A군에서 1.3%, B군에서 4.4% 감소하였다. 6.수술후 하악골폭경에 대한 하악골 길이(mandibular height)의 비율은 A군에서 1.3%, B군에서 4.3% 감소하였다. 7.수술로 인한 얼굴폭의 변화는 무시할만한 것으로 판단되나 수술후 얼굴의 길이가 짧아져 상대적으로 얼굴의 폭이 넓어보일 수 있으므로 수술시 이에 대한 충분한 고려 및 환자에 대한 설명이 있어야 한다. If a mandibular prognathic patient has an extremely unnatural anteroposterior and vertical maxilla or keen esthetical perception for facial profile, orthognathic surgery must be performed along with orthodontic treatment, which alone cannot provide satisfactory results in this case. Esthetical improvement becomes an important factor in the satisfaction level of the patient's treatment result, but an attempt to objectively measure beauty holds many problems. Therefore, in the end, the patient submits the final esthetical evaluation based on his/her subjective viewpoint. Because Korean people have a tendency to prefer the facial appeareance of westerners, they favor an oval shaped face over the traditional round face. This research was conducted in response to the complaints raised by patients who claim that their face had become more round from widening of facial width after the orthognathic surgery for manidibular prognathism than before the surgery. The following results were obtained on the changes in facial appearance and patient satisfaction level by analyzing the skull P-A analysis of total of 14 patients (8 male and 6 female) who underwent orthognathic surgery primarily chief complaint for manidibular prognathism and from their responses on questionnaires. These results are to be used in the research on the pre- and post- operative changes in facial height and width from orthognathic surgery. 1.Three (21.4%) of 14 patients said that their face had widened. 2.The A group showed no change in mandibular width but B group showed a 0.7mm reduction. The facial width increased by 0.45mm and 0.66mm in groups A and B, respectively, after the orthognathic surgery. 3.After the surgery the facial length changed by an 0.52mm increase in upper facial height, 1.19mm reduction in lower facial height, and 0.7mm reduction in mandibular height in group A. In group B group, there was a 0.67mm reduction in upper facial height, 3.66mm reduction in lower facial height, and 5mm reduction in mandibular height. 4.In reference to facial width, the facial height showed 1.5% reduction in group A and 3.6% reduction in group B after the surgery. 5.In reference mandibular height-to-facial width ratio, there was a 1.3% reduction in group A, and 4.4% reduction in group B after the surgery. 6. In reference to the mandibular height-to-width ratio, there was a 1.3% reduction in group A and 4.3% reduction in group B after the surgery. 7. Although the change in the facial width due to surgery can be ignored, sufficient explanation should be provided to the patient before surgery on the fact that the face can appear to be relatively wide because of the reduced facial length as result of the surgery.

Histochemistry에 의한 Muscle Study와 임상적 의의

張淳喆,李載澤,金柱鎬,鄭鶴仁 대한임상병리사협회 1984 임상병리사회지 Vol.16 No.1

最大運動과 12分 달리기가 血淸酵素活性에 미치는 影響

朴哲浩,金福柱,尹榮鶴 東亞大學校附設스포츠科學硏究所 1990 스포츠科學硏究論文集 Vol.8 No.-

The purpose of this study was carried out to investigate changes of serum LDH CPK, GOT and GPT activity after maximal exercise and 12 minute running. Materials and Methods The subjects were seven healthy males in thirty years of age. (average age : 33.6±1.84years, average height : 172±4.57cm, average bodyweight : 74.5±9.82kg) VO₂was determined for each subject by administering a treadmill graded exercise test using incremental protocol. The protocol began with 2min of running at 120m/min, 5% grade. After a 3min rest period, the subject resumed running at same workload. Thereafter, the speed was increased 40m/min, every 3min and the grade was constant (5%) until exhaustion. VO₂was measured by an open-circuit technique during the final minutes of exercise. Gas was expired through a breathing valve and collected in Douglas bags. O₂and CO₂concentration were measured by Scholander micro Gas Analyzer (BM-10 ; FUKUDA SANGYO, JAPAN) When the subjects did 12minute running, they covered the greatest distance that they could in 12minutes, walking and running on 200m track. The blood was drawn twice in medial antebrachial vein before ad 3min after maximal exercise, 12minute running. All blood samples were centrifuged after 30minutes serum enzymes analysis was used by Hitach 736-20. LDH, CPK were analyzed by G.S.C.C method, Wiboblewski-La Due method, respectively. GOT, GPT were analyzed by I.F.C.C method. Results The results obtained in the present study were as follows : 1) After maximal exercise, serum LDH concentration significantly increased from 246.14±27.90IU/L to 315.29±33.99IU/L(p<0.01) 2) After 12 minute running, serum LDH concentration significantly increased to 343.71±36.22IU/L(p<0.01) 3) After maximal exercise and 12 minute running, serum CPK level increased to 168.75±28.66IU/L, 174±29.01IU/L respectively. They are significant.(p<0.05, p<0.05) 4) Though GOT, GPT increased after maximal exercise and 12 minute running, they are no significant. Conclusion We had the conclusion in present study as follows ; The relationship between exercise and serum enzymes activity is different from exercise intensity and duration. Exercise duration is especially more relative than exercise intensity in serum enzymes activity.

알콜리즘에서 Buspirone에 대한 Cortisol과 Prolactin 반응

심주철,이정구,김정익,이유철,김영훈 大韓神經精神醫學會 2001 신경정신의학 Vol.40 No.2

연구목적: 본 연구는 buspirone에 대한 cortisol과 prolactin 반응을 통해 알콜리즘에서 5-HT1A 수용체기능을 조사하고자 하였다. 방법: 알콜리즘 환자군은 DSM-IV의 알콜리즘 진단기준에 부합되고 금주기간이 최소 3개월 이상이며 우울 및 불안증상이 없는, 한 정신병원 알콜 센터에 입원한 22명의 남자 환자였다. 대조군은 정상성인 남자 15명이었다. 이들에게 오전 9시에 5-HT□ 효현제인 buspirone 30mg을 경구 투여한 후 0, 30 , 60, 90, 120, 150분의 혈청 cortisol과 prolatine 농도를 측정한다. 결과: 환자군과 대조군간에 cortisol 기저치에는 유의한 차이가 없었다. Buspirone 투여 후 혈청 cortisol 농도는 정상대조군에서는 기저치에 비해 유의한 증가를 보였으나(p<0.01) 환자군에서는 유의환 증가가 없었다. 혈중 cortisol 농도는 buspiron 투여 60분 이후부터 환자군에서 정상 대조군에 비해 유의하게 저하되어 있었다(p<0.05). Buspirone에 대한 혈청 prolactin 반응은 환자군과 정상대조군간에 유의한 차이가 없었다. 결론: Buspirone 투여 후 둔마된 혈청 cortisol 반응을 통해 알콜리즘에 5-HT1A 수용체 반응성이 둔마되어 있음을 확인할 수 있었다. Objectives: The purpose of this study was to evaluate the prolactin and cortisol responses to 5-HT1A receptor activation by buspirone in alcoholics. Methods: The subjects were twenty two male alcoholic patients meeting the DSM-IV criteria for alcohol dependency and abstaining for more than 3 months. Patients were free from overt anxiety and depressive symptoms. Controls were fifteen male normal volunteers, with no psychiatric and medical illness. Blood samples for the measurement of serum cortisol and prolactin levels were drawn 0, 30, 60, 90, 120, 150 minutes after oral administration of 30mg buspirone hydrochloride at 9:00a.m. Results: The baseline cortisol levels were not significantly different between alcoholics and controls. Serum cortisol levels of controls after buspirone administration were significantly increased over time(p<0.01), but those of alcoholics did not increased. After 60 minutes following buspirone administration, cortisol levels were significantly lower in alcoholics than in contrlos(p<0.05). Prolactin responses to buspirone were not significantly different between the two groups. Conclusions: Our results suggested that 5-HT1A receptor function is decreased in alcoholic patients.

농산물 이력추적관리에 관한 생산자,소비자 인식 연구

이철희,이영주,심근섭 한국식품유통학회 2005 食品流通硏究 Vol.22 No.1

Most farmers who participated in model project on traceability in Korea understand the necessities on traceability introduction eventhough if increases production costs. In this model project, the problems that were point outed by participating farmers were as follows Marketing of products, advertisement & training program, setting of guidelines on traceability system for each items. In this research, survey regarding to organic agricultural products purchase?will by time was carried out and ratio of real purchase and its purchase time among people who showed their purchase?will was investigated. The reason of this procedure is to estimate "final purchase rate". This result was applied to logistic model and bass model than finally obtained organic agricultural product's purchase demand.