• 한국군사과학기술학회지
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• 제22권3호
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• pp.382-391
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• 2019

The naval combat system is a distributed system in which various subsystems are integrated and operated together. The integrated management system(IMS) is a software system for systematically and consistently managing the application software which control and operate various devices in such a combat system. Since the malfunction or failure of such an IMS can disable the entire combat system, the IMS is more important than other application software of the combat system. In this paper, we propose a method to guarantee the stable and correct operation of the combat system. To this end, we propose a redundancy scheme composed of one leader and several followers so as to tolerate the failure situation of the IMS. We also propose a leader selection algorithm to select a new leader when the leader fails and can no longer perform its role. To verify the validity of the study, we verify the fault tolerance behavior of the system and the accuracy of the leader selection algorithm.

• 산업경영시스템학회지
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• 제39권4호
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• pp.49-59
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• 2016

Naval combat system developed in-country is progressing at an alarming rate since 2000. ROK navy will be achieved all vessels that have combat system in the near future. The importance of System Engineering and Integrated Logistics Support based on reliability analysis is increasing. However, reliability analysis that everyone trusted and recognized is not enough and applied practically for development of Defense Acquisition Program. In particular, Existing Reliability Analysis is focusing on reliability index (Mean Time Between Failure (MTBF) etc.) for policy decision of defense improvement project. Most of the weapon system acquisition process applying in the exponential distribution simply persist unreality due to memoryless property. Critical failures are more important than simple faults to ship's operator. There are no confirmed cases of reliability analysis involved with critical failure that naval ship scheduler and operator concerned sensitively. Therefore, this study is focusing on Mean Time To Critical Failure (MTTCF), reliability on specific time and Operational Readiness Float (ORF) requirements related to critical failure of Patrol Killer Guided missile (PKG) combat system that is beginning of naval combat system developed in-country. Methods of analysis is applied parametric and non-parametric statistical techniques. It is compared to the estimates and proposed applications. The result of study shows that parametric and non-parametric estimators should be applied differently depending on purpose of utilization based on test of normality. For the first time, this study is offering Reliability of ROK Naval combat system to stakeholders involved with defense improvement project. Decision makers of defense improvement project have to active support and effort in this area for improvement of System Engineering.

• 한국군사과학기술학회지
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• 제9권3호
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• pp.41-47
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• 2006

Naval combat system is total management system integrating a ship and several weapon system functions. For the mission of a ship, naval combat system manages features and constraints of each weapon system. Proper treats of each weapon system's conditions guarantee effective performances of naval combat system. In this paper, the relationship of anti-air weapon system's on board position and self-defence effectiveness against anti-surface missiles is studied

• 한국정보통신학회:학술대회논문집
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• 한국정보통신학회 2022년도 춘계학술대회
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• pp.62-65
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• 2022

NCS(Naval Combat System)는 함정에 설치된 이기종의 센서와 무기를 연동하여 표적탐지, 추적, 위협분석, 교전 및 명중평가에 이르기까지 함정의 전투효과를 극대화시키기 위한 시스템이다. 함정전투체계의 목적을 달성하기 위해서는 승조원들의 함정전투체계에 대한 운용 숙달이 요구된다. 이를 위해서 함정전투체계에서는 모의훈련 기능을 제공하며, 승조원들은 함상에서 체계 운용 숙달 및 팀워크 훈련을 수행한다. 훈련을 통제하는 훈련교관은 높은 수준의 훈련 통제 및 감시가 가능해야 하며 이에 대한 연구가 필요하다. 본 논문은 훈련교관의 훈련상황 가시화를 위한 3차원 전시 방안을 연구한다.

• 산업경영시스템학회지
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• 제44권1호
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• pp.9-16
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• 2021

Modern combat has been extended to the concept of real-time response to a variety of threats simultaneously occurring in vast areas. In order to quick command determination and accurate engagement in these threats, the combat system has emerged in frigate. Frigates conduct anti-surface, anti-submarine, and anti-aircraft as the core forces of the fleet. In this study, the combat effectiveness measures naval frigates using AHP (analytic hierarchy process) method. A hierarchical structure for measuring the combat effectiveness was developed, and weights of criteria were calculated by expert surveys and pair-wise comparisons. In addition, the combat effectiveness of frigates was synthesized and compared. The weights for each attribute were calculated, and the weights for the three main attributes were in the order of act (0.594), evaluate (0.277), and see (0.129). As a result of calculating the weight, anti surface warfare (0.203) was the highest. The combat effectiveness of FFG Batch-III, which has advanced hardware and software and improved combat system capabilities, see (1.73 to 2.56 times), evaluate (1.68 to 2.08 times), and act (1.31 to 3.80 times) better than the comparative frigate. In summarizing the combat effects of the frigate, FFG Batch-III was 1.41~2.95 times superior to the comparative frigate. In particular, a group of experts evaluated the act importantly, resulting in better combat effectiveness.

• 한국군사과학기술학회지
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• 제21권5호
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• pp.630-639
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• 2018

This paper proposes the design and implementation of adaptive naval gun fire simulator on a naval combat system. The proposed simulator can log data, analysis logged data, modify the BCU(Ballistic Computing Unit) S/W in real-time, and evaluate gun fire performance to check it satisfy requirement or not. When the simulation result satisfies the requirement, the BCU S/W is installed on onboard system. The simulation results show that similar result with actual naval gun fire reslult.

• 한국컴퓨터정보학회논문지
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• 제29권2호
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• pp.119-126
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• 2024

정보저장 소프트웨어는 함정전투체계의 연동 분석을 위해 전투 관리체계의 전술 도메인 메시지를 분석 컴퓨터로 전달하는 기능을 수행하며, 전투 관리체계와 분석 컴퓨터 간의 중간 매개체 역할을 한다. 정보저장 소프트웨어는 전투 관리체계에서 사용하는 대부분의 메시지를 처리하기 때문에 소스 코드의 양이 상대적으로 많고, 연동 장비 및 메시지의 변경 사항에 의해 수정 사항이 빈번하게 발생한다. 이에 따라 개발 과정에서 추가적인 공수가 소요되게 되고, 결국 개발 비용의 증가로 이어지게 된다. 본 논문에서는 재사용성을 향상하기 위하여 정보저장 소프트웨어 구조에 대한 표준화에 관한 연구를 수행하였다. 휘처 모델을 통해 정보저장 소프트웨어의 구성 요소를 기능별로 나누어 수정 요소를 분리하고, 디자인 패턴을 적용하여 정보저장 소프트웨어의 구조를 개선하였다. 그로 인해 연동 장비와 메시지의 변화에도 정보저장 소프트웨어의 수정 사항을 최소화할 수 있게 되어 개발 비용의 절감 효과가 기대된다.

• 한국군사과학기술학회지
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• 제11권2호
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• pp.32-42
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• 2008

The existing management system of Naval combat system does not provide efficient management methods since an integrating management mechanism does not exist. This paper examines the existing Naval combat system management techniques and summarizes their shortcomings. To solve the drawbacks, we apply the Simple Network Management Protocol(SNMP) mechanism and propose a more efficient management method. Based on SNMP, we analyze the requirements of management system from the perspective of an agent and a manager. We design the management system and also define the management information as SNMP Management Information Base(MIB). We implement a prototype based on our proposed design and verify our prototype by applying the system to the management of selected network devices in a real environment.

• 한국멀티미디어학회논문지
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• 제19권9호
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• pp.1669-1678
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• 2016

There are many kinds of military images used in naval combat system because various sensors are operated. The military images are displayed, analysed and stored with analysed informations according to the tactical purpose on combat system. These images are used to target detection, analysis and classification. Thus the analysed information and images must be secured, the information hiding methods are the most eligible solutions to get secured informations and images. In this paper, the hybrid information hiding method based on the characteristics of the military images is proposed and the effectiveness is shown by experiments.

• 한국컴퓨터정보학회논문지
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• 제28권4호
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• pp.93-104
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• 2023

최근 드론의 기술력은 급속하게 발전하고 있으며 군사용 드론은 모든 전장 환경(육상/해상/공중)에서 아군의 피해 없이 적의 중요한 전략 자산에 심각한 피해를 줄 수 있을 만큼 전장에서 역할이 커지고 있다. 그러나 현재 우리 해군이 운용중인 전투함의 함정 전투체계는 드론에 대한 맞춤형 방어체계를 갖추지 않아 방어에 취약하다. 기술의 발전을 미루어 보아 미래에는 해군에 큰 위협이 될 수밖에 없다. 본 논문에서는 전투체계 교전 소프트웨어가 대드론전 상황에 적합한 대응 모드를 설정하고 드론 위협에 선제 대응하기 위해 위협 세력의 우선순위를 평가하며 자함에 탑재 무장과 센서의 자동 할당 대응을 통해 드론 위협을 제거하는 방안을 제안하고 모의 환경에서의 개선된 교전 소프트웨어 시험을 통해 최종적으로 드론에 대응하는 시간이 62% 개선되었음을 확인하였다.