• Title/Summary/Keyword: 박윤기

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The data representation to support dynamic languages on the Java virtual machine (자바가상기계에서의 동적 언어의 지원을 위한 데이터 표현)

  • 박관민;정민수;이준석;윤성순;윤기송
    • Proceedings of the Korean Information Science Society Conference
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    • 1999.10a
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    • pp.412-414
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    • 1999
  • 본 논문에서는 동적 언어의 데이터가 자바 가상 기계에 적합한 수행을 할 수 있도록 자바가상기계에 알맞도록 동적 언어에 대한 새로운 데이터 표현 방법을 제시한다. 그리고 자바의 다형성을 이용하여 새로운 클래스 라이브러리를 자바가상기계에 추가한다. 이러한 자바 가상 기계의 수행을 추적함으로써 동적 언어의 데이터 표현에 대한 유효성을 검증한다.

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A Study on the Performance Characteristics of the VDC Vehicle (VDC 장착 차량의 기동 특성에 관한 연구)

  • 김태기;박윤기;서명원
    • Transactions of the Korean Society of Automotive Engineers
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    • v.7 no.9
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    • pp.146-157
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    • 1999
  • Safety systems for road vehicles have been rapidly developed in recent years. Especially, the VDC(Vehicle dynamics Control) system is a new active safety system for road vehicles which controls its dynamic vehicle motion in emergency situations . In the case of configuring the VDC system by utilizing the ABS(Anti-lock Brake System), the role of a control logic which directly influences the vehicle motion is very important. In this study the performance of the VDC vehicle was compared to the performances of the CBS (Conventional Brake system )and ABS vehicle. For various driving conditions , the simulation of vehicle dynamics with known VDC control logics was performed. Analysis results showed the VDC vehicle could stably perform even on the road of low coefficient of friction. In addition it was shown that the basic control logic for the VDC system could outstandingly improve driving stability in the case of braking as well as constant speed cruising.

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Effects of post treatment on the fatigue strength of weldment (용접부 강도특성 미치는 후처리 영향)

  • Kim Hyeon Su;Park Yun Gi;Yun Jung Geun
    • Proceedings of the KWS Conference
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    • v.43
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    • pp.246-248
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    • 2004
  • Effects of the post treatment on the fatigue strength of a bead-on-plate weldment were investigated in order to improve fatigue strength of the weldment. The post treatment applied were the grinding of weld toe and hammer peening at the weld toe. The fatigue strength of the weldment after post treatment increases. It is attributed to the decrease of the residual stress and the maximum stress at the weld toe by the post treatments. Based on the result, the principal factor controlling the fatigue strength of the weldment was identified as the toe shape of the bead-on-plate weldment.

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A Survey Study Of Physical Therapy Professors and Clinical Lecturers on Clinical Practice of Physical Therapy Students in Korea (전국 물리치료과 교수 및 임상실습 강사들의 임상실습에 대한 의식조사)

  • Park Ji-Whan;Park Youn-Ki;Kim Han-Soo
    • The Journal of Korean Physical Therapy
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    • v.9 no.1
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    • pp.81-87
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    • 1997
  • Although most of Korean PT professors and clinical lecturers has been thought the importance of the PT student's clinical practice, there has got a lot of training problems in clinical field. As the result, of our survey study pointed out trouble of the (1) training duration (2) training credits (3) training evaluation (4) training workbook (5) training fee (6) training hospital numbers and (7) training quality etc, in Korean today's situation. So we suggest the Internship-training system for above half a year after student has got a PT licence, as a desired training model.

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A Case of The Krukenberg Tumor (Krukenberg 종양 1예)

  • Park, Yoon-Kee;Lee, Sung-Ho
    • Journal of Yeungnam Medical Science
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    • v.6 no.2
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    • pp.271-277
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    • 1989
  • There have been reported cases that the Krukenherg tumor had been primary ovarian carcinoma, But the Krukenberg tumor is generally known as one special type of metastatic ovarian carcinoma, which histologically consists of nest of mucin filled signet-ring cells in a cellular, nonneoplastic stroma. The most common gastrointestinal tract origin for Krukenberg tumor is the stomach, and the next frequent is the large intestine. Generally the Krukenberg tumor is difficult to diagnose and treat until somewhat enlarging its size. We experienced a case of the Krukemberg tumor on the remained ovary after the previous unilateral adnexectomy, which was metastasized from adenocarcinoma of stomach. We present this case with a brief review of literature.

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Three Cases of Ovarian Pregnancy (난소 임신 3례)

  • Lee, Mi-Na;Kim, Sook;Lee, Jae-Yeoul;Park, Yoon-Kee;Lee, Sung-Ho
    • Journal of Yeungnam Medical Science
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    • v.10 no.1
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    • pp.245-252
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    • 1993
  • Primary ovarian pregnancy is one of the rerest types of extrauterine pregnancy. But an increase in the reported prevalence of ovarian pregnancies was published in recent years. Three cases of ovarian pregnancy which have Spiegelberg criteria are presented with a brief review of literatures.

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