스마트폰 기반 자작 HMD를 이용한 가상체험 시스템 설계

김영조(young-jo Kim),김재환(jae-hwan Kim),김용태(yong-tae Kim),김건식(gun-sick Kim),김성훈(sung-hoon Kim),김종화(jong-hwa Kim) 한국정보과학회 2014 한국정보과학회 학술발표논문집 Vol.2014 No.6

AntiHBc 단독양성인 검진자에서 혈청 GOT , GPT 치의 변화

김영조(Young Jo Kim),이헌주(Heon Ju Lee),정문관(Moon Kwan Chung),이영현(Young Hyun Lee),양창현(Chang Heon Yang),김종설(Chong Cuhl Kim) 대한소화기학회 1985 대한소화기학회지 Vol.17 No.1

N/A It is well known that Anti HBc may be causative agent of HBU infection and means viral replication. To evaluate the clinical significance of anti-HBc, serum transaminases was checked and screening test for hepatitis B surface antigen(HBsAg), antihody to hepatitis core antigen(anti-HBc) and antibody to hepatitis B surface antigen(anti-HBs) was made by radioimmunoassay technique in 419 consecutive subjects. Both groups were healthy clinically and had neither past history of liver diseases nor other causes that may change the level of serum transaminases. Followings are results of authors observation of present series; 1) The difference in incidence of elevated serum transaminases between control and anti- HBc(+) groups statistically was not significant. 2) The incidence of elevated serum transaminases among male was higher than among female in anti -HBc(+) group. 3) The incidence of elevated serum transaminases tended to be higher as ages progress in both groups. 4) The values of elevated serum transaminases in both groups were generally within the two fold upper normal values.

축산물가공품에서 대장균군수 측정 표준검사법과 TEMPO(R) CC 자동화장비와의 비교 분석

김영조 ( Young Jo Kim ),위성환 ( Sung Hwan Wee ),윤하정 ( Ha Jung Yoon ),허은정 ( Eun Jeong Heo ),박현정 ( Hyun Jung Park ),김지호 ( Ji Ho Kim ),문진산 ( Jin San Moon ) 한국예방수의학회(구 한국수의공중보건학회) 2011 예방수의학회지 Vol.35 No.2

To evaluate the performance of a new automated coliform enumeration system (TEMPO(R) CC) for the quantitative test of coliform bacteria contaminated in domestic livestock processed foods, a total of 507 samples of livestock foods were tested by the TEMPO(R) CC method, the most probable number (MPN) method, and Petrifilm method, respectively. The results of those three methods were compared to each other. Of 507 samples of livestock processed foods used in this study, 217 samples were contaminated artificially with coliform bacteria and the rest (n=290) were contaminated naturally. The results of the TEMPO(R) CC method for all samples were equivalent to those obtained from the MPN method, except 8 samples. In addition, 496 (97.8%) out of 507 samples made agreement between the TEMPO(R) CC method and the Petrifilm method. The correlation coefficients between TEMPO(R) CC and MPN methods as well as between TEMPO(R) CC method and Petrifilm method were above 0.9, and the slope and intercept of the linear regression model was different in less than 1 value. In conclusion, there were statistically equivalent levels of performance between the TEMPO(R) CC and the reference and alternative methods for the enumeration of coliform bacteria in livestock processed foods in this study.

외래 환자의 감염성 피부 병변에서 배양된 황색 포도구균의 동정률과 항생제 감수성에 관한 연구

김영조(Young Jo Kim) 대한피부과학회 2001 대한피부과학회지 Vol.39 No.8

N/A Background: The increase of methicillin-resistant Staphylococcus aureus(MRSA) incidence has been often reported in nosocomial infection. However there has been a few reports about community-acquired infections with MRSA. Objective: The purpose of this study is to evaluate the prevalence and antibiotic susceptibilities of Staphylococcus aureus(S. aureus) in dermatology outpatients who have suspected bacterial skin infection. Methods: We performed bacterial cultures and susceptibility tests in patients who visited our clinic to treat pyogenic skin infection from May 1999 to August 2000. Results: Of 195 samples, bacteria were cultured in 144 samples. Among them, S. aureus was constituted 31.3%, coagulase (-) Staphylococcus was 15.5%, Streptococcus was 2%, mixed isolates were 25%, and no growth was 26.2%, The resistant rate of S. aureus about antibiotics was penicillin(PC) 96.1%, erythromycin(EM) 52.6%, gentamycin(GM) 50%, clindamycin(CC) 30.8%, amoxicillin/clavulanic acid(AMT) 16.6%, oxacillin(OX) 16.6%, trimethoprim/sulfamethoxazole(SXT) 10.2%, and vancomycin(VC) 0%. The effective antibiotics in the treatment of MRSA were SMT(33%) and VC(0%). Conclusion: The most prominent pathogen in pyogenic skin infections of dermatology outpatients was S. aureus, which were sensitive to AMT, OX, SXT, and VC. However, PC was almost resistant. The effective antibiotics .in the treatment of MRSA were SXT and VC. These results demonstrate that AMT and OX may be the first drug of effective therapeutic agent to pyogenic skin infections of outpatients. (Korean J Dermatol 2001;39(8): 866-871)

유도전동기의 위치제어 시스템을 위한 가변구조제어기의 떨림저감

김영조,김현중,Kim, Young-Jo,Kim, Hyun-Jung 대한전자공학회 1998 電子工學會論文誌-T Vol.t35 No.2

가변구조 제어기는 이론적으로 빠른 응답특성을 가지며 오버슈트가 없고 외란이나 파라미터 변동에 강인한 제어기로 알려져왔다. 그러나 가변구조 제어기는 모델링과정에서 무시된 플랜트의 고주파 동특성을 여기할 수 있고, 또 시스템을 구성하는 소자들에 손상을 줄 수 있는 채터링현상이 발생하기 때문에 산업현장에서 널리 적용되지 못하고 있다. 본 논문에서는 채터링을 저감시키기 위한 개선된 가변구조 제어기를 제안하고 유도전동기의 위치제어에 적용한다. 기존의 가변구조 제어기는 한 개의 스위칭면을 중심으로 고주파 스위칭을 행하여 시스템의 구조를 절환한 반면에, 개선된 가변구조 제어기는 한 개의 면 대신 슬라이딩 영역을 이루기 위해 두 개의 스위칭면을 가지며 이 영역 내에서 저주파 스위칭으로써 시스템 구조를 절환하게 된다. 그러므로 제안된 알고리즘은 기존의 가변구조 제어기가 가지는 빠른 응답성이나 강인성을 유지하면서 고주파 채터링을 저감시키는 특징을 가지며 전동기정수 변동에도 양호하게 동작하고 있다. 제안하는 제어기의 타탕성을 확인하기 위해 실험을 행하였다. It has been known that variable structure control(VSC) has theoretically powerful control technique of providing fast response, no overshoot, and very robust control with respect to system parameter variations and disturbances. However, the technique has not become more widely extended in the industrial circles because chattering phenomenon which may excite high-frequency unmodelled plant dynamics and damage to system components exists. In this paper, a modified variable structure control(MVSC) is developed to alleviate these problems which are applied to the position control of induction motor. While the conventional VSC makes the structure of the system change with high-frequency switching on the center of the one switching surface, in the MVSC two switching surface are used to establish a sliding sector. The structure of the system will be changed with low-frequency switching. Therefore, the proposed algorithm has the properties of reducing chattering, retaining the benefits achieved in the conventional VSC, and working even under the influences of parameter variations. Experimental results show the effectiveness of the control strategy proposed here for the position control of induction motor.

융합성 망상 유두종증에 대한 다양한 항생제의 치료효과

김영조(Young Jo Kim),신봉석(Bong Seok Shin),김성한(Sung Han Kim),최규철(Kyu Chul Choi) 대한피부과학회 2002 대한피부과학회지 Vol.40 No.5

N/A Background : Concluent and reticulated papillomalosis(CRP), the loast common of the cutaneous papillomatoses, is manitested by persistent papules that are confluent in center and redeulated at the periphery. Recently, many cases of CRP treated with minocycline have been reported. Methods : Thirteen patients with CRP were included in this study. They were treated with various antibioties, such as crythromycin, tetracycline, doxycycline, and minocycline. The patients have taken antibioties twice a day for 4 weeks. They were followed-up at 4, 8, 12, and 16 weeks after treatment. We assessed about therapeutie effects, side effect, and recurrence, by phone 1 year after treatment Results : Of the total 13 patients, 9 patients had improved by more than 95% in response to various antibiotics therapy for 4 months. One patient had a mild adverse reaction and two patients symptoms recurred after 1 year follow-up. Conclusion : We recommended various antibioties therapy as the first choice of treatment for CRP because those were safe, economic, and effective.

브러시 없는 직류전동기를 위한 연속관성형 외부루프를 갖는 바이너리제어기의 구현

金永祖(Young-Jo Kim),金榮石(Young-Seok Kim) 대한전기학회 1996 전기학회논문지 Vol.45 No.1

유문륜궤양의 임상적 관찰

김영조(Young Jo Kim),정영기(Young Ki Chung),이병욱(Byung Wook Lee),이상룡(Sang Ryong Lee),최동준(dong Joon choi) 대한소화기학회 1986 대한소화기학회지 Vol.18 No.2

A clinical analysis ivas carried out on 46 cases of pyloric channel ulcers collected from 4,565 persons who had taken gastrofiberscopic examinations from Maich, 1981 to Fchruary, 1986 at the 1)Department of Internal Medicine in the Maryknoll hospital. The results obtained were as follows: 1) Pyloric channel ulcer devloped in 3.8% of incidence from all cases of peptic ulcer. 2) The male to female ratio was 2.5:1. Those in the 4th decades were the most frequently observed age group and the average was 46.2 years of age. 3) The most frequent complaint was upper ahdominal pain with a rate of 69.6% and the next came indigestion, nausea and vomiting, belching, bloating in order. weight loss was in minority (10.9). 4) The most common site of channel ulcer vas anterior wall with a rate of 59.5% and the frequency of the other sites were lesser curvature, greater curvature, posterior wall in order. 5) Considering the healing process of ulcer, the most frequent stage was active stage, the next came healing and scarring stage in order. 6) The longitudinal diameter of active channel ulcer was below 5mm with 68.8% of incidence and almost ones were l0mm or less. The majority of those were round shape. 7) In 45.7% of all cases the channel ulcer did not cambine ulcers on the other sites and 37.0% of the channel ulcers combined gastric ulcer.

동시통역에 있어서의 原文分節

金永祚,Kim, Young-Jo 한국외국어대학교 통역대학원 1985 통역대학원 논문집 Vol.1 No.1

급성췌장염 (急性膵臟炎) 200예의 임상적 분석

김영조,강신덕,박실무,이기환,김종숙 ( Young Jo Kim,Shin Durk Kang,Sill Moo Park,Ki Whan Lee,Chong sook Kim ) 대한소화기학회 1979 대한소화기학회지 Vol.11 No.1

\We have presented a clinical review oE 200 established cases of acuce pancreatiris during the period betiveen Angust 1972 and August 1977, The results are as folloivs; There was no significant difference in occurrence between both sexes; 46,j were males and wcre females. The G7, 5,y of the patients were in tl.e 3rd-5th decade of the life. In our series of acute pancreatitis, the frequent etiologic factors were dieury factors in 16 5,., biliary tract clisease in 15. 0,' and alcoholics in 9. 5:j. The 48, 5, of the patients app- earently had no underlying etiologic factor. 3. In acute pancreatitis the v.pper abdominal pain was a major symptom in 99, Oy, raciiating pain was present in 25. 7,.y, nausea and vomiting in 65, 5p, and fever in 1S. Op, On laboratory tests, more than 250 S.unit/100ml of serum emia in 35. 2,, hyperbilirubinemia in 41, 3,: and hypocalcemia acute pancreatitis were noted. 5, 41 3. Of the patients with acute pancreatitis showed the findir.gs, contained T wave change in 17, 3y, S-T segment change in 7. Ly. Amylase in 55. 64lo, hyperglyc- in 31. 3,,> of che patients with abnormal electrocardiographic in S. 2o and sinus bradycardia Q. The radiologic examinations in acute pencreatitis revealed pleural elt'usion in 10. 9py, para- lytic ileus in 71, 2z<, nonvisualized gallbladder in 27, 5, and compression the stomach and duodeniim in 8,84g<, 7. 'In oral cholecystography, which performed at 3-or 4th day after resolution of symptoms, the discrimination betneen normal and abnormal biliary tract was enah]ed in 86. 7,. I'he gQ, 5,j; of the patients with acute pancreatitis had medical treatnient an2 9. 5yji had surgical treatment g, The complications developed in 21. 5,.y of the patients with acute pancreatitis