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장성욱 한국지방공기업학회 2014 한국지방공기업학회보 Vol.10 No.1
공영도매시장은 농수산물 도매 유통의 중추적 유통기구로서 공정성과 투명성을 높여 출하자의 안정적인 판로처 역할을 수행하고 있다. 도매시장 거래 방식 중 경매제의 경우 도매시장법인이 정산을 책임지고 수행하고 있으나, 상장예외 거래와 시장도매인제는 도매인이 출하자에게 직접 대금을 송금하는 방식으로 도매인의 경영상태에 따라 정산이 늦거나 불이행될 위험성이 존재하였다. 국내 최초로 설립된 가락시장 정산회사는 상장예외 거래에서 출하대금을 지급 보장하는 기능을 수행함으로써 거래의 안전성을 높이게 된다. 이와 함께 체계적 정산 관리로 상장예외품목 거래의 투명성을 높이는 효과가 있게 된다. 또한 향후에는 거래 방식 간 경쟁을 촉진시키면서 도매시장의 효율성을 더욱 높이는 계기가 될 것 으로 기대하고 있다.
장성욱,이진걸,Chang, Sung-Ouk,Lee, Jin-Kul 대한기계학회 2002 大韓機械學會論文集A Vol.26 No.6
This paper discusses the composition of the theory of reinforcement teaming, which is applied in real-time teaming, and evolutionary strategy, which proves its the superiority in the finding of the optimal solution at the off-line teaming method. The individuals are reduced in order to team the evolutionary strategy in real-time, and new method that guarantee the convergence of evolutionary mutations are proposed. It is possible to control the control object varied as time changes. As the state value of the control object is generated, applied evolutionary strategy each sampling time because of the teaming process of an estimation, selection, mutation in real-time. These algorithms can be applied, the people who do not have knowledge about the technical tuning of dynamic systems could design the controller or problems in which the characteristics of the system dynamics are slightly varied as time changes. In the future, studies are needed on the proof of the theory through experiments and the characteristic considerations of the robustness against the outside disturbances.
장성욱 한국미술치료학회 1995 美術治療硏究 Vol.2 No.1
1994년은 생펙쥐빼리가 사라진 지 꼭 50년 째 되는 해이다. 1944년 7월 31 일 아침 8시 그는 그 당시 최고속이며 최고공을 나르는 미국 록히드 항 공사가 만든 라이트닝 P.38 정찰기를 타고 코르시 카의 보르고 공군 기지를 이륙했다. 프량스 납부를 사진 촬영하는 것이 그의 임무였다. 프랑스 납부 에는 그의 어머니와 누이가 독일군 치하에서 살아 가고 있었다. 그 이후 그의 혼적이나 비행기 파편 하나도 발견되지 않았다 아직도 그가 어떻게 사 라졌는지 정확한 원인은 모른다. 다만 여러가지 가설이 존재할 뿐이다.
The Design of a Real-Time Simulator on the Hydraulic Servo System
장성욱,이진걸 한국정밀공학회 2003 International Journal of Precision Engineering and Vol.4 No.1
In this study we suggest real-time simulator that could describe real system without ordinary DSP card. This simulator is composed of 80196kc-16bit ordinary microprocessor, which is widely used up to now and personal computer. DSP card that has calculated complex numerical equation is replaced by personal computer and 80196kc generates control signals independently out of the personal computer. In all process personal computer is synchronized with one-board microprocessor (80196kc) within sampling time in the closed loop system. This makes it possible to be described in hydraulic servo system in real time.
장성욱,류경민,류재욱 대한응급의학회 2015 大韓應急醫學會誌 Vol.26 No.2
A 67-year-old female presented to the emergency department with complaints of dyspnea and chest wall pain after a fall from a cultivator. Initial chest CT showed multiple left rib fractures, a loculated hematoma without active bleeding, and hemothorax. On the third day of admission, the chest X-ray showed an abrupt aggravation of haziness and the chest CT showed that the size of the hematoma had increased with active bleeding from the pulmonary artery. In cases of loculated hematomas adjacent to the hilum on CT scan, the diagnosis of pulmonary artery injury should be considered.
장성욱,유경민,류재욱 대한응급의학회 2018 Clinical and Experimental Emergency Medicine Vol.5 No.1
Delayed massive hemothorax requiring surgery is relatively uncommon and can potentially be life-threatening. Here, we aimed to describe the nature and cause of delayed massive hemothorax requiring immediate surgery. Over 5 years, 1,278 consecutive patients were admitted after blunt trauma. Delayed hemothorax is defined as presenting with a follow-up chest radiograph and computed tomography showing blunting or effusion. A massive hemothorax is defined as blood drainage >1,500 mL after closed thoracostomy and continuous bleeding at 200 mL/hr for at least four hours. Five patients were identified all requiring emergency surgery. Delayed massive hemothorax presented 63.6±21.3 hours after blunt chest trauma. All patients had superficial diaphragmatic lacerations caused by the sharp edge of a broken rib. The mean preoperative chest tube drainage was 3,126±463 mL. We emphasize the high-risk of massive hemothorax in patients who have a broken rib with sharp edges.