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지상무기효과분석모델(AWAM)을 활용한 Army TIGER 대대급 전투효과 분석연구
윤영삼(Youngsam Yoon),유동훈(Donghun You),김현호(Hyunho Kim) 한국산학기술학회 2024 한국산학기술학회논문지 Vol.25 No.5
Army TIGER (Transformative Innovation of Ground forces Enhanced by the 4th industrial Revolution technology) 부대는 기동화·지능화·네트워크화를 통해 4세대 이상의 지상전투체계로 구성된 미래 지상군 부대를 상징하며 사이버, 우주, 인지를 포함한 다차원 공간에서 유·무인 복합작전이 가능하게 부대 목표를 설정하고 있다. 이에 따라 전력화될 신규 첨단무기체계의 획득 시 최적의 무기체계를 선정하기 위해 사전에 전쟁게임모델을 통해 다양한 전투효과를 분석하는 것은 중요한 일이라 생각이 된다. 특히 전장에서의 치명성과 생존률 등 무기체계의 효과를 사전에 분석하는 연구는 무기체계의 소요제기, 소요결정 및 획득 단계에서 검증논리로 활용할 수 있을 것으로 기대해본다. 본 연구에서는 미래에 전력화될 무기체계의 특성을 반영한 Army TIGER 대대급 부대의 전투 효과를 분석하기 위하여, Army Weapon Effectiveness Analysis Model(AWAM)을 활용하여 분석결과의 신뢰성을 향상시켰다. 본 연구에서는 전투수행기능 6가지 중 정량적 분석이 가능한 식별률, 생존율 등 8개 세부 평가요소에 대해 분석하였으며, 모의분석 결과 Army TIGER 부대의 전투능력은 식별 능력, 생존 능력, 작전목표 달성능력, 타격 능력의 측면에서 전반적인 향상이 확인되었다. 특히 식별능력과 작전목표 달성능력, 정밀타격능력의 경우 각각 약 1.55배, 7.58배, 2.89배 향상되었다. 이러한 결과를 볼 때 Army TIGER 부대는 전투효율의 측면에서 상당한 발전이 기대되며, 나아가 작전 수행 패러다임 및 전쟁 양상까지 변화시킬 수 있을 것으로 기대된다. By symbolizing a future ground forces unit composed of fourth-generation or higher ground combat systems, the Army TIGER unit sets unit goals to enable multi-domain operations, including cyber, space, and cognition, allowing combined operations with crewed and uncrewed systems. Consequently, it is considered important to analyze various combat effects through simulation using wargame models in advance to select the optimal weapon system to acquire advanced weapon systems that will be modernized. In particular, research analyzing the effects of weapon systems, including lethality and survival rates on the battlefield in advance, is expected to be used logically and validated during the requirements identification, decision-making, and acquisition phases of weapon systems. In this study, the Army Weapon Effectiveness Analysis Model (AWAM), a rational and scientific modeling and simulation tool, was used to enhance the reliability of the analysis results. This study analyzed nine specific evaluation factors, including identification and survival rates, which can be quantitatively analyzed among the six combat performance capabilities. The simulation analysis confirmed that the overall combat capability of the Army TIGER unit was improved in terms of Identification, Radius of Action, and Precision Strike. In particular, each ability was improved approximately 1.55 fold, 7.58 fold, and 2.89 fold, respectively. The Army TIGER unit is anticipated to maximize combat efficiency in future warfare, potentially changing current operational paradigms and the nature of warfare.
일점 지지 균일압 Flat Wiper 스프링레일의 최적 곡면식 개발
윤영삼(Youngsam Yoon),김태헌(Taehun Kim) 한국자동차공학회 2007 한국자동차공학회 지부 학술대회 논문집 Vol.- No.-
Recently, a flat wiper which is one piece wiper and is subjected to a pressing force at a single center point is gaining wide applications on automotive windshields. However, nonuniform reactive pressure distributions takes place, so that wiping is not completed at that point. The wiping performance of a flat wiper is best when a wiper and a curved windshield have perfect contact without gaps under the specified pressing force of 13 ~ 15 gf/cm. Therefore, it is necessary that the optimum curvature of a wiper spring-rail should be obtained. Finite element analysis, CATIA script-macro function, and the least square method were utilized to find out the curvature of a spring-rail for a perfect contact with a windshield under a specified concentrated load. The curvature equation is the third order polynomial.
균일 분포하중을 주는 Flat Wiper 스프링레일의 곡면 형상식 유도
윤영삼(Youngsam Yoon),김철(Cheol Kim) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Recently, a flat wiper which is one piece wiper and is subjected to a pressing force at a single center point is gaining wide applications on automotive windshields. However, nonuniform reactive pressure distributions takes place, so that wiping is not completed at that point. The wiping performance of a flat wiper is best when a wiper and a curved windshield have perfect contact without gaps under the specified pressing force of 13 ~ 15 gf/㎝. Therefore, it is necessary that the optimum curvature of a wiper spring-rail should be obtained. Finite element analysis, CATIA script-macro function, and the least square method were utilized to find out the curvature of a spring-rail for a perfect contact with a windshield under a specified concentrated load. The curvature equation is the third order polynomial.
심재광(Jekwang Shim),윤영삼(Youngsam Yoon) 한국산학기술학회 2024 한국산학기술학회논문지 Vol.25 No.8
이 글의 목적은 전쟁의 새로운 영역으로 부상하고 있는 인지전(Cognitive Warfare)을 4차 산업혁명 시대의 혁신적인 기술 중 하나인 HCI(Human Computer Interaction) 기술과 융합하여 인지전을 효율적으로 수행하는 방법을 제시하는 것이다. 이를 위해 먼저 우리는 인지전에 대한 개념적 분석을 통해 인지전의 특성과 기존 전쟁과의 차이점 등을 살펴볼 것이고 앞으로 다가올 미래전에서 왜 인지전이 필요한지에 대해 살펴볼 것이다. 이어서 미래전에서 대용량의 데이터를 다루는 컴퓨터와 인간과의 상호관계를 향상하려는 HCI 기술이 인간의 사고를 전쟁의 영역으로 분류하는 인지전에서 필요한 이유를 알아보겠다. 또한, 인지전을 효과적으로 수행하기 위해 인간의 사고가 인공지능과 융합하여 합리적인 의사결정을 내릴 수 있게 하는 HCI 기술에 대하여 살펴보고 마지막으로 HCI 기술을 인지전에 적용하기 위해 갖는 제한사항 등을 보이겠다. 4차 산업혁명시대의 미래 인지전에서는 인지 우위가 전쟁의 승패를 결정하는 필수 요소들 중 하나라 볼 수 있는데, 이때 인지전에 HCI 기술이 효과적으로 활용된다면 군의 전략적 인지전 수행 능력이 한층 강화될 수 있을 것이라 생각한다. The purpose of this text is to propose methods for efficiently conducting cognitive warfare, which is emerging as a new warfare domain, by integrating human-computer interaction (HCI) technology. HCI is an innovative Fourth Industrial Revolution technology that enhances interactions between humans and computers handling large volumes of data. To achieve this, we first examine the characteristics of cognitive warfare and the differences from traditional warfare through conceptual analysis. We then explore why HCI technology is necessary for classifying human thinking in the realm of cognitive warfare. Furthermore, we investigate how human thinking combined with artificial intelligence through HCI technology enables rational decision-making to effectively conduct cognitive warfare. Finally, we discuss limitations in applying HCI technology to cognitive warfare. In future cognitive warfare, when cognitive superiority is expected to be a crucial determinant of victory, we anticipate that HCI technology will be effectively utilized to enhance strategic capabilities.
Lab-Scale 반응기를 이용한 PCNs 함유 폐기물의 소각처리 가능성 연구
권은혜 ( Eunhye Kwon ),배지수 ( Jisu Bea ),김우일 ( Wooil Kim ),윤영삼 ( Youngsam Yoon ),이원석 ( Wonseok Lee ),박호연 ( Hoyeun Park ) 한국폐기물자원순환학회 2021 한국폐기물자원순환학회지 Vol.38 No.4
Polychlorinated naphthalenes (PCNs), one of Persistent Organic Pollutants (POPs), and are colorless crystalline substances with similar structure and physical and chemical properties with PCB (polychlorinated biphenyl), and are produced by the chlorination of naphthalene. PCN is one of POPs are rarely degraded in the environment; consequently, they negatively impact the environment by threatening human health and the ecosystem. In this study, the potential of a stable treatment for lab-scale-incinerated waste containing PCNs was evaluated. For this study, waste containing PCNs were selected as the surface coating agent, mixed sample, and technical sample. The results revealed that when the PCNs concentration was 34.552 ~ 2,582.463 ng/g, the concentrations of Mono-CN and Tetra-CN were higher than those of other homologues. The incineration treatment conditions were derived by measuring three parts, after which the elemental composition was analyzed and the calorific value, theoretical air content, and residence time were calculated. Using the temperature of the target sample, thermogravimetric analysis revealed that the incineration treatment can be achieved at the incineration temperature of the existing incineration facility via weight change. Therefore, the incineration temperature was set between 850 and 1,100℃; however, the incineration temperature of the sample containing a high concentration of PCNs was set at 350, 500, 850, and 1,100℃. At 350 and 500℃, high concentrations of CO and NOx were observed, which could be attributed to incomplete combustion. Furthermore, heat-sensitive PCNs showed a de-chlorination reaction between 200 to 440℃. In addition, the decomposition rate (DRE) slightly increased according to the incineration temperature increase.
합성곱 신경망과 소음 신호의 연속 웨이블릿 변환을 이용한 주행 노면 및 타이어의 분류
이창훈(Chang Hun Lee),유진환(Jinhwan Yoo),이상권(Sang-Kwon Lee),윤영삼(Youngsam Yoon),이재훈(Jaehun Lee),염기호(Kiho Yum),황성욱(Seong-Uk Hwang) 한국소음진동공학회 2023 한국소음진동공학회 논문집 Vol.33 No.2
This paper presents the method of classifying the road surface type using tire-pavement interaction noise (TPIN) signal. TPIN refers to a noise caused by interactions between rolling tires and road surfaces and is measured using the rugged microphone installed in the wheel cover of tire. The road surface information is identified using continuous wavelets transform (CWT). CWT images for the measured TPIN are used as the input of Convolutional neural network (CNN). The CNN extracts the feature for road surface throughout convolution and pooling process and classifies the road surface type in fully connected neural network. Two road surfaces, snow road and asphalt road, are classified using a method that combines the CWT and CNN methods The results indicate an accuracy of over 97 %. Two different tires are used for the experiment. Results from the road classification can be used to control the braking systems of autonomous vehicle in future.