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공대공 전투 모의를 위한 규칙기반 AI 교전 모델 개발
이민석,오지현,김천영,배정호,김용덕,지철규 한국군사과학기술학회 2022 한국군사과학기술학회지 Vol.25 No.6
Since the concept of Manned-UnManned Teaming(MUM-T) and Unmanned Aircraft System(UAS) can efficiently respond to rapidly changing battle space, many studies are being conducted as key components of the mosaic warfare environment. In this paper, we propose a rule-based AI engagement model based on Basic Fighter Maneuver(BFM) capable of Within-Visual-Range(WVR) air-to-air combat and a simulation environment in which human pilots can participate. In order to develop a rule-based AI engagement model that can pilot a fighter with a 6-DOF dynamics model, tactical manuals and human pilot experience were configured as knowledge specifications and modeled as a behavior tree structure. Based on this, we improved the shortcomings of existing air combat models. The proposed model not only showed a 100 % winning rate in engagement with human pilots, but also visualized decision-making processes such as tactical situations and maneuvering behaviors in real time. We expect that the results of this research will serve as a basis for development of various AI-based engagement models and simulators for human pilot training and embedded software test platform for fighter.
ATM교환기의 프로세서간 통신을 위한 바이패싱 기능을 갖는 고속 셀 집속/분배 장치의 설계 및 성능평가
이민석,송광석,박동선 한국통신학회 1997 韓國通信學會論文誌 Vol.22 No.6
In this paper, we propose an efficient architecture for a high-speed cell concentrator/distributor(HCCD) in an ATM(Asynchronous Transfer Mode) switch and by analyzeing the simulation results evaluate the performance of the proposed architecuture. The proposed HCCD distributes cells from a switch link to local processors, or concentrates cells from local processor s to a switch link. This design is to guarntee a high throughput for the IPC (inter-processor communication) link in a distributed ATM switching system. The HCCD is designed in a moudlar architecture to provide the extensibility and the flexibility. The main characteristics of the HCCD are 1) Adaption of a local CPU in HCCD for improving flexibility of the system, 2) A cell-baced statistical multiplexing function for efficient multiplexing, 3) A cell distribution function based on VPI(Virtual Path Identifier), 4) A bypassing capability for IPC between processor attached to the same HCCD, 5) A multicasting capability for point-to-multipoint communication, 6) A VPI table updating function for the efficient management of links, 7) A self-testing function for detecting system fault.
베이비붐 세대 테니스 여가활동 참여자의 재미, 지각된 가치 및 참여지속의도의 관계 연구
이민석,서광봉 여가문화학회 2023 여가학연구 Vol.21 No.3
This study was conducted to explore the factors that can affect the intention to continue participating tennis activities of baby boom generation. 314 data were used through the questionnaire. SPSS and AMOS programs were used to analyze the data. Frequency analysis, confirmatory factor analysis, reliability analysis, correlation analysis, and structural equation model analysis were performed, As a result of the study, it was confirmed that the enjoyment factor had a positive effect on the perceived value, and that the perceived value had a positive effect on the intention to continue participating. Through this study, the characteristics of the baby boom generation participating in tennis leisure activities were found. In addition, factors that can improve sustained participation in tennis were identified. 본 연구는 테니스 여가활동에 참여하는 베이비붐 세대들의 참여지속의도에 영향을 줄 수 있는 요인을 탐구하고자 수행되었다. 연구목적의 달성을 위해 최근 1년 내 테니스를 여가의 목적으로 참여한 베이비붐 세대를 연구대상으로 선정하였다. 설문을 통해 최종적으로 314건의 데이터를 사용하였다. 자료에 대한 분석으로 윈도우즈용 SPSS, AMOS 프로그램을 사용하였으며 빈도 분석, 확인적 요인 분석, 신뢰도 분석, 상관관계 분석, 구조방정식 모형 분석을 각각 실시하였다. 연구의 결과 재미요인이 지각된 가치에 긍정적인 영향을 주었으며, 지각된 가치가 참여지속의도에 긍정적인 영향을 주는 것이 확인되었다. 본 연구를 통해 테니스 여가활동에 참여하는 베이비붐 세대의 특징을 발견하고 지속적인 참여의도를 향상시킬 수 있는 요인을 확인하였다는 점에서 의의를 확인할 수 있다.