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에이전트 기반 모델링 및 네트워크 통신 환경을 고려한 UGV 효과분석
이재영,신선우,김종만,Lee, Jaeyeong,Shin, Sunwoo,Kim, Chongman 한국시뮬레이션학회 2018 한국시뮬레이션학회 논문지 Vol.27 No.3
미래전에서는 무기체계의 상당부분이 무인체계로 대체될 것이며 이들은 상호 통신으로 연결되어 네트워크중심전으로 변화하고 있다. 이에 따라 무인체계 효과분석이 중요한 이슈가 될 것이다. 하지만 무인체계의 주요통제 수단인 통신장애 상황에서 UGV에 대한 효과분석 연구는 매우 미흡한 실정이다. 본 논문에서는 지형을 고려한 통신장애 상황에서 무인체계의 운용효과분석을 위한 새로운 에이전트기반 모델링 절차를 제시하였다. 추가적으로, 통신장애 상황을 극복할 수 있는 통신중계기를 추가하였을 경우 UGV운용효과의 변화에 대한 분석결과도 제시하였다. In future warfare, most part of resources and their platforms would be replaced by unmanned system like UGV(Unmanned Ground Vehicle). They are also connected each other with communication network and it is called NCW(Network Centric Warfare) environment. Hence how to measure the effectiveness of UGV operated in NCW circumstance become an important issue. However, there are few research paper to deal with this kind of UGV effectiveness issue coupled with communication failure. In this paper, we proposed a new ABM process to measure the UGV effectiveness combined with communication success ratio based on terrain condition of the ground engagement. Additionally, we also provide the effectiveness analysis result when communication repeater is applied in case of communication failure.
무인지상로봇 효과분석의 신뢰성 향상을 위한 효과척도 설정방안 연구
이재영(Jaeyeong Lee),변재정(Jaijeong Pyun),김종만(Chongman Kim) 한국신뢰성학회 2014 신뢰성응용연구 Vol.14 No.3
In the 21st century, the roles of UGV in the ground battle draw its attention and many research about how to use it is going on globally, but not many study is doing about how to measure its combat effectiveness in the battle. Basically, the effectiveness of UGV is different from its mission profile. Hence, we proposed Measures Of Effectiveness which can measure the UGV effectiveness based on five different missions such as mine detection, nbc detection, reconnaissance, rescue, and fire mission. We expect that these Measures Of Effectiveness proposed are able to contribute to increase the credibility of the study results for UGV effectiveness. We also hope that this paper can stimulate to expand the research scope and related field about UGV effectiveness in the future.
애니로직 시뮬레이션을 이용한 무인지상차량 운용성능과 전투효과의 연관성 분석
이재영(Jaeyeong Lee),신선우(Sunwoo Shin),김준수(Junsoo Kim),배성민(Sungmin Bae),김종만(Chongman Kim) 한국신뢰성학회 2015 신뢰성응용연구 Vol.15 No.2
In modern warfare, the number of unmanned systems grow faster than any other weapon systems. Therefore, it is very important to predict and measure the combat effectiveness (CE) of unmanned weapon systems in battlefield for deciding defense budget to acquire those systems. In general, quantitative calculation of weapon effectiveness under complicated battlefield is difficult based on the future network centric warfare. Hence, many papers studied how to measure the combat effectiveness and tried to study a lot of related issues about it. However, there are few papers dealing with the relationship between the UGV (Unmanned Ground Vehicle)’s performance and CE in a ground battlefield. In this paper, we do the sensitivity analysis based on a given scenario in a small unit battle. In order to do that, we developed simulation model using AnyLogic and changed the input parameters such as detection and hitting probabilities. We also assess the simulation outputs according to the variation of input parameters. The MOE used in this simulation model output is survival ratio for Blue force. We hope that this paper will be useful to find which input variable is more effective to increase combat effectiveness in a small unit ground battlefield.
장유상,신선우,서다윤,이재영,김종만,유철우,배성민,Chang, YooSang,Shin, SunWoo,SEO, DaYoon,Lee, JaeYeong,Kim, ChongMan,Yoo, CheolWoo,BAE, SungMin 한국품질경영학회 2017 품질경영학회지 Vol.45 No.3
Purpose: In the near future, it is expected that UGV(unmanned ground vehicle) will be put into battle due to IT technology and unmanned technology development. In this study, we analyze the combat effectiveness considering communication effect where complex combat information and commands are transmitted. Methods: We use ABM(agent-based modeling) and wireless channel module which provides sophisticated communication effect through geographic information and UGV performance. And UGV combat simulation using wireless channel module is used to grasp the combat effectiveness according to the number of packets, which is a unit for storing all information and commands having high complexity. Results: The result of this study is to derive the optimal number of packets which does not decrease the combat effectiveness and the number of lost tanks. The number of packet increases, the survival ratio of our tanks are decreased. Conclusion: In this study, we reveal that the communication success or failure could affect the combat effectiveness. Also, it helps develope the standard communication protocol between UGVs and could be applied to analyze the cost effectiveness analysis in UGV combat environment.
통신효과를 고려한 미래지상체계 효과분석 시뮬레이션에 대한 연구
신선우(Sunwoo Shin),이재영(Jaeyeong Lee),배성민(Sungmin Bae),김종만(Chongman Kim) 한국신뢰성학회 2017 신뢰성응용연구 Vol.17 No.2
Purpose: In this research, we develop an effectiveness analysis simulation model using Agent Based Modeling with Communication Effects for the development of a new weapon system. Methods: To describe the future battlefield that has more complexity, we develop Agent Based Modeling to describe communication Effects. We use the communication theory (Path-Loss Model) and the real map. Results: We have compared simulation model with real map and simulation model without real map. The Blue Survival Ratio of simulation model with real map is worse than one without real map since the performance of communication gets lower. Conclusion: There are many studies about the effectiveness analysis of a weapon system. Most of previous researches assumed no communication error. In the real world, however, it’s not appropriate assumption. Therefore, this study considers the communication error and shows that it is important factor in the effectiveness analysis.
우울증 환자의 감정 관리를 위한 상담형 챗봇 및 일상 관리 프로그램
채혜민(HeaMin Chae),박민규(MinGyu Park),이재영(JaeYeong Lee),정민주(MinJu Jeong),정은하(EunHa Jeong),이한용(HanYong Lee) 한국정보기술학회 2024 Proceedings of KIIT Conference Vol.2024 No.5
본 연구에서는 우울증 환자들의 감정 관리를 위한 상담형 챗봇과 일상 관리 프로그램을 개발한다. 우울증 환자들이 사람에게 직접적으로 말하기 어려운 경우에 대해 상담형 챗봇은 우울감을 감소시킬 수 있는 적절한 대화를 제공한다. 또한 우울증의 관리는 일상에서 본인 감정의 지속적인 경과 관찰이 필요하므로, 본인의 감정을 트래킹하여 관리할 수 있도록 일기 기록 및 내용 감정 분석, 감정 통계 기능 등을 제공한다. 그리고 사용자의 감정을 토대로 알맞은 음악을 추천하는 기능을 개발한다. In this study, we develop a counseling chatbot and a daily management program for managing the emotions of depressive patients. When it is difficult for depressive patients to speak directly to people, counseling chatbots provide appropriate conversations to reduce depression. In addition, since managing depression requires continuous observation of the course of ones emotions in daily life, it provides diary records, content, emotion analysis, and emotion statistics functions so that one can track and manage ones emotions. And develop a function to recommend appropriate music based on the users emotions.
이용빈도가 낮은 공설운동장의 적정 주차공급 단위에 관한 연구
노용호(Ro YongHo),김형철(Kim HyungChul),이재영(Lee JaeYeong) 대한국토·도시계획학회 2001 國土計劃 Vol.36 No.1
The purpose of this study is finding the optimum parking units of public facilities which is unfrequently used through the analysis on the relationship between parking demand and characteristics of public stadiums. To find the optimum parking units by the characteristics of public stadiums, we considered most stadiums of korea and variables which affect parking demand such as size, number of seat and frequency of the events, population, occupancy rate of cars and bus route etc. And analyzed relationship between parking demand and characteristics. The results of this analysis showed that the frequency of use is fairly low less than 100,000 people per year regardless of its size. It means that the correlation was very low between the size and frequency. Also, the occupancy rate of parking area was highly related to the kinds of game, its scale and socio-economic characteristics. We developed a regression model for parking demand prediction. And we obtained the fact 83% of total stadiums is oversupplying by this model.