• Title/Summary/Keyword: 가상 조립

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The Satisfaction Research on the Multilateral Cooperative Military Training of Using the XR Technology (XR 기술을 활용한 다자간 협업 군사훈련 만족도조사)

  • Lee Yong Il
    • The Journal of the Convergence on Culture Technology
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    • v.10 no.5
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    • pp.23-28
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    • 2024
  • So far, most of the military trainings were carried out in the field, and were influenced by the various parameters of the weather, the climate and the civil complaints regarding the noise. Also, it's the reality that the considerable time and resources are required to maneuver the weapon system used for the military training. Furthermore, the serious damage and casualties during tha military training are important parameters that can't be ignored. Recently, with the development of 5G communication networks and XR technologies, XR technologies are used in various fields that participate with multilateral parts, i.e. in military technology and training. In this paper, to implement the military education, 5G communication network and military education training system were established. The military education training system were composed that over 10 persons were possible to train in the various circumstances such as counter combat, mountains combat, urban combat and beaches combat. Also it is possible to fight with AI combatants, and train the gun disassembly and assembly, and train the various firing exercise. The military training system of using XR technologies were applied to the multilateral military training, and we analyzed the satisfaction results for the experienced persons of this XR system.

Development of Mobile Active Transponder for KOMPSAT-5 SAR Image Calibration and Validation (다목적실용위성 5호의 SAR 영상 검·보정을 위한 이동형 능동 트랜스폰더 개발)

  • Park, Durk-Jong;Yeom, Kyung-Whan
    • The Journal of Korean Institute of Electromagnetic Engineering and Science
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    • v.24 no.12
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    • pp.1128-1139
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    • 2013
  • KOMPSAT-5(KOrea Multi-Purpose SATellite-5) has a benefit of continuously conducting its mission in all weather and even night by loading SAR(Synthetic Aperture Radar) payload, which is different from optical sensor of KOMPSAT-2 satellite. During IOT(In-Orbit Test) periods, SAR image calibration should be conducted through ground target of which location and RCS is pre-determined. Differently from the conventional corner reflector, active transponder has a capability to change its internal transfer gain and delay, which allows active transponder to be shown in a pixel of SAR image with very high radiance and virtual location. In this paper, the development of active transponder is presented from design to I&T(Integration and Test).

Development of Gap Searching System for Car Body Assembly by Decomposition Model Representation (분해 모델을 이용한 자동차 차체의 틈새 탐색 시스템 개발)

  • Bae, Won-Jung;Lee, Sung-Hoon;Park, Sung-Bae;Jung, Yoong-Ho
    • Transactions of the Korean Society of Automotive Engineers
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    • v.20 no.4
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    • pp.109-118
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    • 2012
  • Large number of part design for aircraft and automobile is preceded by functional or sectional design groups for efficiency. However, interferences and gaps can be found when the parts and sub-assemblies by those design groups are to be assembled. These interferences and gaps cause design changes and additional repair processes. While interference problem has been resolved by digital mockup and concurrent engineering methodology, gap problem has been covered by temporary treatment of filling gap with sealant. This kind of fast fix causes fatal problem of leakage when the gap is too big for filling or the treatment gets old. With this research, we have developed a program to find the gap automatically among parts of assembly so that users can find them to correct their design before manufacturing stage. By using decomposition model representation method, the developed program can search the gap among complex car body parts to be visualized with volumetric information. It can also define the boundary between the gap and exterior empty space automatically. Though we have proved the efficiency of the developed program by applying to automobile assembly, application of the program is not limited to car body only, but also can be extended to aircraft and ship design of large number of parts.

The Relative Effects of the Feedback Delivery Method(Face-to-Face vs. e-mail) and Reinforcement History on Quality Control Work Performance (피드백 제공방식과 강화 경험이 품질관리 수행에 미치는 효과)

  • Chae, Song-Hwa;Oah, She-Zeen
    • The Journal of the Korea Contents Association
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    • v.16 no.9
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    • pp.117-126
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    • 2016
  • This study examined the relative effects of different feedback delivery method (face-to-face vs. e-mail) and reinforcement history on work performance. Participants were asked to work on a simulated mobile phone assembly task. They performed for 30 minutes per session and attended 4 sessions. The dependents variable was the percentage of correctly completed work tasks. Of 100 participants recruited, 50 had a reinforcement history and another 50 had no reinforcement history with the feedback provider in this study. The participants in each group were randomly assigned into two experimental conditions: face-to-face feedback and e-mail feedback. The results showed that for the participants who had reinforcement history, the two feedback delivery methods did not produce a significant difference in the percentage of correctly completed work tasks. However, for those who had no reinforcement history, the two feedback methods did produce a significant difference.

Productivity Analysis for Industrial Augmented Reality(iAR) Content Development Using an iAR Specialized Engine (산업용 증강현실 전용엔진을 이용한 산업용 증강현실 콘텐츠 개발에 대한 생산성 분석)

  • Kang, Minshik
    • Journal of Industrial Convergence
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    • v.20 no.4
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    • pp.1-6
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    • 2022
  • In recent years, many global manufacturers such as Mercedes-Benz and BMW have been using augmented reality technology to spread it to various fields such as assembly process, after-sales service, sales stores, and consumer manuals. In this study, the application status of innovation in manufacturing using industrial augmented reality was identified, and the possibility of combining existing ERP and augmented reality was analyzed based on this. In addition, it was empirically analyzed that the selection of a dedicated content development engine is the most important factor in development productivity in the development of industrial augmented reality content. The same content developed with Unity3d was redeveloped with Vuforia Studio, and as a result of comparative analysis of development man-hours by field, the development lead time was shortened by 8 times. This study proves productivity by actually developing industrial augmented reality contents, and it is a study with a difference that is difficult to implement in practice.

A Study of PLC Simulation for Automobile Panel AS/RS (자동차 패널 자동창고 시스템의 PLC 시뮬레이션 적용 연구)

  • Ko, Min-Suk;Koo, Lock-Jo;Kwak, Jong-Geun;Hong, Sang-Hyun;Wang, Gi-Nam;Park, Sang-Chul
    • Journal of the Korea Society for Simulation
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    • v.18 no.3
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    • pp.1-11
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    • 2009
  • This paper illustrates a case study of PLC logic simulation in a car manufacturing system. It was developed to simulate and verify PLC control program for automobile panel AS/RS. Because car models become varied, the complexity of supply problem is increasing in the car manufacturing system. To cope with this problem, companies use the AS (automated storage) and RS (retrieval system) but it has logical complexity. Industrial automated process uses PLC code to control the AS/RS, however control information and control codes (PLC code) are difficult to understand. This paper suggests a PLC simulation environment, using 3D models and PLC code with realistic data. Data used in this simulation is based on realistic 3D model and I/O model, using actual size and PLC signals, respectively. The environment is similar to a real factory; users can verify and test the PLC code using this simulation before the implementation of AS/RS. Proposed simulation environment can be used for test run of AS/RS to reduce implementation time and cost.