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임영도,설재훈,한창훈,김승철,박종오,이준탁,방석원 東亞大學校 附設 情報通信硏究所 1998 情報通信硏究所論文誌 Vol.6 No.1
This paper describes an intelligent cruise control system for automobile. With the remarkable numericalincrease of automobiles on the roal, the optimized traffic flow control using the cruise control is one of the very important traffic problems to overcome the limitation of an existing road capacity. Based onthis idea that minimize the fuel cost and teh air pollution, and accept a driver's needs for driving, we have developed an intelligent cruise control system for vehicle. This proposed intelligent fuzzy cruise controller was successfully implemented using the fuzzy algorithm, the i80c196 μ-controller board and the throttle valve actuator. The field test results on an linear road was introduced.
미세형상가공시 센서융합을 이용한 공구 마멸 및 파손 메커니즘 검출
임정숙,왕덕현,김원일,이윤경 한국공작기계학회 2002 한국공작기계학회 춘계학술대회논문집 Vol.2002 No.-
A successful on-line monitoring system for conventional machining operations has the potential to reduce cost, guarantee consistency of product quality, improve productivity and provide a safer environment for the operator. In fine-shape machining, typical signs of tool problems such as vibration, noise, chip flow characteristics and visual signs are almost unnoticeable without the use of special equipment. These characteristics increase the importance of automatic monitoring in fine-shape machining; however, sensing and interpretation of signals are more complex. In addition, the shafts of the micro-tools break before the typical extensive cutting edge of the tool gets damaged. In this study, the existence of a relationship between the characteristics of the cutting force and tool usage was investigated, and tool breakage detection algorithm was developed and the following results are obtained. In data analysis, didn't use a relative error compare which mainly used in established experiment and investigated tool breakage detection algorithm in time domain which can detect AE and cutting force signals more effective and accurate.
林錫鳩,張殷永,金元厚 한국항공대학교 1991 論文集 Vol.29 No.-
TDX-10 및 EWSD 기종의 과부하 제어방식을 검토한 후 프로세서 점유율 측면에서 성능이 향상된 제어방식을 3가지로 분류하여 제안하며, 각각을 가정된 모델에 따라 시뮬레이션을 수행하여 성능평가를 행하였다. 그 결과 TDX-10L방식을 제외한 제안한 방식은 과부하 상태에서도 시스템 설계용량인 90%의 프로세서 점유율로 유지함을 확인하였다. The performance analysis of proposed three overload control methods is conducted to present the more optimal than methods using in conventional TDX-10 and EWSD by simulation with the assumed model. From simulation result, the two methods except TDX-10L are satisfied with 90% of the designed processor engineered capacity.
임정숙,정원지,이춘만 한국공작기계학회 2009 한국공작기계학회 춘계학술대회논문집 Vol.2009 No.-
Spindle design is very important to improve the competitive power in production cost of high quality machine tools. In this paper, spindle system was designed with built-in motor can be used to simplify the structure, to improve the machining frexibility, and to perform high speed machining of machine tools. According to the spindle speed is high, spindle end's displacement is considered to be an important subject. To know how the unbalanced mass affect to the spindle end displacement, modal analysis was performed and analyzed. When, unbalanced mass was 0g, spindle front end displacement was a minimum, and unbalanced mass was 20g, spindle rear end displacement was kept to a minimum.
중학교축구선수의 집단응집력과 성원만족 및 팀성공과의 관계
이창섭,임종은,석원웅 忠南大學校體育科學硏究所 1998 體育科學硏究誌 Vol.16 No.1
The purpose of this study was to verify the hypothetical method by identifying the influence of cohesiveness on member satisfaction and team success in middle school soccer players. Subjects for this study were 183 soccer players from 10 soccer teams at middle school level in Taejon city, Chungnam and Chungbuk Province. For the data analysis multiple regression and correlation method was calculated. The major findings of this study were as follows: 1. In the subfactor of cohesiveness. the significant influence showed in the feeling of social group attachment on the satisfaction to game, the subjective group unification or social group unification on the satisfaction of the position. and the subjective group unification on the satisfaction of the position. and the subjective attachment on the satisfaction of belonging. 2. The subjective group attachment and the subjective group unification showed significant influences on the team scoring. and subjective group attachment showed significant effect on the loss of score and the percentage of victories.
박민경,서원석,박재옥,김창휘,고은석,임철완 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2
Tuberculous peritonitis is discovered from sixty to ninty percent of pulmonary tuberculosis patients. Clinical symptoms are nonspecific such as mild fever, weakness and malaise but show tenderness in right lower abdomen and abdominal distension. Diagnosis is confirmed by laparoscopic and pathologic findings. We report a case of tuberculous peritonitis in an 11-year-old boy who was hospitalized because of abdominal distension with pain on right lower abdomen which had developed one day before he came to hospital. Chest X-ray showed pleural effusion on both sides. We did laparoscopic examination and observed diffuse nodular infiltration. In biopsy specimen we observed osseous granuloma and acid-fast bacilli in AFB stain.
( Won Suk Lim ),( Dong Hyun Kim ),( Hyeong Ho Ryu ),( So Young Yoon ),( Seong Jin Jo ),( Hyo Seung Shin ) 대한피부과학회 2013 대한피부과학회 학술발표대회집 Vol.65 No.2
Background: Telemedicine is considered to be useful in dermatologic field because visual inspection, the most important examination to make a diagnosis of skin disease, is easily presented through teledermatology system. Objectives: To evaluate the diagnostic accuracy of teledermatologic consultation using Smartphone multimedia messaging service (MMS) for the common skin diseases in the army. Methods: The clinical images of skin lesions were obtained from 100 patients who visited the out-patient clinic of the military hospital using digital camera built in Smartphone. Those images and clinical information of each patient were sent to three remote dermatologists by using MMS application of Smartphone. Three teledermatologists made their own diagnoses independently. The diagnoses made by teledermatologists were compared with those obtained by face-to-face examination as the gold standard. Results: There was a 70.7±0.9% diagnostic agreement between the primary diagnosis of face-to-face exam and mobile exams. The sensitivity were 78.3±0.0%, 88.1±11.9%, and 60.6±6.1% in the case of eczema, viral warts, and fungal infection respectively. The specificity was 93.1±3.0%, 99.6±0.4%, and 98.1±1.0% in the same order respectively. Conclusion: The diagnostic accuracy of teledermatologic consultation using Smartphone was fair with high specificity. However the physicians should take into account that its sensitivity is rather low and the diagnosis does not match with face-to-face exam perfectly.