• International Journal of Internet, Broadcasting and Communication
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• 제10권1호
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• pp.71-76
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• 2018

The technology convergence of television, communication, and computing devices enables the rich social and entertaining experience through Smart TV in personal living space. The powerful smart TV computing platform allows to provide various user interaction interfaces like IR remote control, web based control, body gesture based control, etc. The presently used smart TV interaction user control methods are not efficient and user-friendly to access different type of media content and services and strongly required advanced way to control and access to the smart TV with easy user interface. This paper propose the optical wireless communication (OWC) based remote controller design for Smart TV using smart device Flashlights. In this approach, the user smart device act as a remote controller with touch based interactive smart device application and transfer the user control interface data to smart TV trough Flashlight using visible light communication method. The smart TV built-in camera follows the optical camera communication (OCC) principle to decode data and control smart TV user access functions according. This proposed method is not harmful as radio frequency (RF) radiation does it on human health and very simple to use as well user does need to any gesture moves to control the smart TV.

• 제어로봇시스템학회:학술대회논문집
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• 제어로봇시스템학회 2004년도 ICCAS
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• pp.346-349
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• 2004

The teleoperation system applies all of the industrial fields due to the development of the network infrastructure. It is one of the indispensable elements for controlling the robot at a remote sight and monitoring the limit or unknown environment. The common teleoperation robot system is what has the visual module to supply the network system and realistic UI to the existed robot system. Therefore, remarked that the fusion between modules and transmission of visual data the remarked the important element to improve the robot application in the various environments. Delay of development time by robot platform and noneffective communication among developers are also problem to approach. In this paper we propose the independent teleoperation system. The main application language is JAVA in this system, which is applied JAVA API like JNI and JMF to construct the effective teleoperation system. The system has the both side communication system between sever and client as a basic structure. The visual data that is attached the robot at a remote sight is captured by JMF API and then is transmitted to the web browser called client by RTR protocol. JNI is used to connect between JAVA and the lower part application (sensor fusion, motion control.) of the robot programmed by various Native languages. The proposed system is the application that can perform the elements, for instance transmission of visual data, the fusion of various native application modules and the effective network communication, with any platform.

• Smart Structures and Systems
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• 제19권6호
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• pp.587-599
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• 2017

This paper introduces an approach to the realization of an ICT-based bridge remote monitoring system that enables real-time monitoring and controlled adjustments for unexpected heavy loads and also for damaging earthquakes or typhoons. In this paper, an integrated bridge remote monitoring system called the "Intelligent Bridge", which consists of a stand-alone monitoring system (SMS) and a web-based Internet monitoring system(IMS), was developed for not only bridge maintenance but also as an application for a para-stressing bridge system. To verify the possibility of controlling the actual structural performance of an "Intelligent Bridge", a model 2-span continuous cable-stayed bridge with adjustable cables was constructed. The experimental results demonstrate that the implemented monitoring system supplies detailed and accurate information about bridge behaviour for further evaluation and diagnosis, and it also opens up prospects for future application of a web-based remote system to actually adjust in-service bridges under field conditions.

• 한국실천공학교육학회논문지
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• 제4권1호
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• pp.65-71
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• 2012

이 연구에서는 LabVIEW와 NI ELVIS를 이용하여 컴퓨터 기반의 공학교육 사례 즉 다양한 컴퓨터 기반의 공학실습을 소개한다. 여러 유명대학이나 연구소, 회사 등에서 웹/인터넷 또는 네트웍으로 제어되는 원격 실험과 같은 형태의 원격 실습이 가능하다. 컴퓨터 및 그래피칼프로그래밍 기술의 공학실습교육 적용을 통하여 공학 실험실습의 흥미와 효과를 제고하였다.

• 한국정보과학회논문지:컴퓨팅의 실제 및 레터
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• 제6권2호
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• pp.206-215
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• 2000

본 논문은 원격 공동 실험을 위한 플랫폼인 PCS(Platform for Collaborative System) 개발에 관한 연구이다. PCS는 특정 응용 분야를 목적으로 하지 않고, 모든 분야의 공동 실험 시스템을 개발할 수 있는 범용의 공동 실험 플랫폼이다. PCS는 공동 실험에 필요한 객체인 통신, 세션, 사용자, 어플리케이션, 미디어, 메시지 객체와 이들에 대한 관리 메커니즘 함수를 가진 관리 객체로 구성된다. 관리 객체는 공동 실험 객체와 이들을 관리하는 오퍼레이션으로 구성되며, 관리 객체 사이의 상호작용을 통하여 제어정보 및 데이타를 처리한다. 또한, PCS는 공동 실험을 위한 어플리케이션 공유 기술을 통하여 단일 사용자 어플리케이션을 다중 사용자 어플리케이션으로 활용할 수 있도록 하고, 공유 어플리케이션을 통한 원격기기 제어 기능을 제공한다. PCS 플랫폼은 원격 공동 실험을 위한 환경을 제공하며, 여러 공동 실험 시스템의 하부 구조로 사용될 수 있다.

• 한국정보과학회논문지:소프트웨어및응용
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• 제34권3호
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• pp.219-225
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• 2007

UPnP AV 프레임워크는 홈 네트워크 미들웨어 기술의 중요한 부분으로 네트워크에 접속한 다양한 AV 디바이스를 투명적으로 통합 및 관리한다. 그러므로 사용자는 언제 어디서나 AV 컨텐츠를 접근 및 제어할 수 있다. 기존의 흠 엔터테인먼트 시스템들은 멀티미디어 흠 서버 위주로 PC 환경에서 멀티미디어 컨텐츠의 서비스 제공을 목표로 하고 있다. 본 논문에서는 원격 제어 서비스를 지원하는 통합 홈 엔터테인먼트 시스템(u-MUSE 시스템) 개발에 대하여 설명한다. 제안하는 시스템은 기존의 홈 엔터테인먼트 서비스 외에 가정에서 멀리 떨어져있는 AV 디바이스의 어플리케이션을 조작하거나, AV 컨텐츠를 직접 제어할 수 있다. 이 시스템은 통합 시스템 제어 및 AV 컨텐츠 재생 서비스를 지원하여 가정에서의 가전 디바이스 제어 센터의 역할을 충분히 수행한다.

• International Journal of Control, Automation, and Systems
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• 제2권2호
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• pp.207-219
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• 2004

This paper presents the development of a knowledge-based control system operating via the Internet. With the synergy provided by the Internet, the central expert controller with its knowledge-base has the potential to serve a multitude of front-end clients located anywhere in the world provided they have Internet access. In this way, the operational span of the knowledge-based control system can be expanded to virtually anyplace within the reach of the Internet. This configuration has positive implications in improving the efficiency of distributed operations, thereby enabling plantwide optimization and costs savings. Datasocket technology is adopted to facilitate a more efficient data exchange between the knowledge-based central server and the front-end clients. A specific application in the remote monitoring and fault diagnosis of machines using the proposed control configuration is presented in the paper.

• 대한원격탐사학회지
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• 제16권4호
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• pp.339-345
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• 2000

KOMPSAT-1 was launched on 21 December, 1999 and the main mission of the satellite is the cartography to provide the imagery from a remote earth view for the production of maps of Korean territory. For this purpose, the satellite has capability to tilt the spacecraft utmost $\pm$45 degrees to acquire stereo satellite imagery in different paths. This study aims to estimate the three dimensional positioning accuracy of stereo satellite imagery from EOC(electro-optical camera), a payload of KOMPSAT-1 satellite. For this purpose, the ground control points and check points were obtained by GPS surveying. The sensor modeling and the adjustment was performed by PCI software installed in KARI (Korea Aerospace Research Institute), which contained mathematical analysis module for KOMPSAT-1 EOC. The study areas were Taejon and Nonsan, placed in the middle part of Korea. As a result of this study, we found that the RMSE(root mean square error) value of three dimensional positioning KOMPST-1 stereo imagery can be less than 1 pixel (6.6 m) if we can use about 10 GCPs(ground control points). Then, a standarrd of FGDC (Federal Geographic Data Committee) of USA was applied to the result to estimate the three dimensional positioning accuracy of KOMPSAT-1 stereo imagery.

• 한국정보통신학회논문지
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• 제14권10호
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• pp.2230-2236
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• 2010

최근 세계적인 조선 시장의 침체기에도 불구하고, 선박 시스템 원천기술 확보의 중요성이 지속적으로 부각되어 오면서, 세계적으로 선박 시스템 원천기술 확보를 위한 다양한 노력들이 진행되고 있다. 이에 본 논문에서는 선박추진제어 시스템의 국산화를 통해 해당 분야의 원천기술을 확보하고자 추진제어시스템의 원격운용장치의 구현에 대하여 연구하도록 한다.

• International Journal of Fuzzy Logic and Intelligent Systems
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• 제3권2호
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• pp.244-250
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• 2003

In this paper, the relationship between a slave robot and the uncertain remote environment is modeled as the impedance to generate the virtual force to feed back to the operator. For the control of a tele-operated mobile robot equipped with camera, the tele-operated mobile robot take pictures of remote environment and sends the visual information back to the operator over the Internet. Because of the limitation of communication bandwidth and narrow view-angles of camera, it is not possible to watch the environment clearly, especially shadow and curved areas. To overcome this problem, the virtual force is generated according to both the distance between the obstacle and robot and the approaching velocity of the obstacle. This virtual force is transferred back to the master over the Internet and the master(two degrees of freedom joystick), which can generate force, enables a human operator to estimate the position of obstacle in the remote environment. By holding this master, in spite of limited visual information, the operator can feel the spatial sense against the remote environment. This force reflection improves the performance of a tele-operated mobile robot significantly.