• 한국정보처리학회:학술대회논문집
• /
• 한국정보처리학회 2017년도 춘계학술발표대회
• /
• pp.1217-1220
• /
• 2017

이 논문의 목적은 사용자 편의성이 향상된 홈 오토메이션 시스템을 제안한다. 기존의 논문은 라즈베리파이 이용 및 웹 페이지를 기반으로 원격지에서도 하드웨어 제어가 가능하다. 하지만 이러한 구조는 웹 페이지에 접속해서 사용하는 번거로움이 존재한다. 이 논문에서 제안하는 것은 기존의 라즈베리파이를 이용한 홈 오토메이션 시스템을 보다 간편하게 원격접근 및 제어가 가능하다. 이 제안 시스템은 사용자에게 개선된 편의성을 제공한다.

• 한국정보과학회:학술대회논문집
• /
• 한국정보과학회 2008년도 한국컴퓨터종합학술대회논문집 Vol.35 No.1 (B)
• /
• pp.162-165
• /
• 2008

상황은 실세계에 존재하는 실체의 상태를 특징화하여 요약한 정보로 정의될 수 있으며, 상황인식은 이러한 상황 정보의 상호 작용에 의하여 인간의 현재 상황을 특성화 할 수 있는 기술적 방법을 의미한다. 실세계의 상태를 표현하는 것은 정보의 표현 및 지식 표현과 관련되며, 상황인식 컴퓨팅은 이러한 지식 표현 방법에서 출발한다고 할 수 있다. 본 논문에서는 앞서 말한 상황인식 능력을 지향하는 시스템, 즉 지능형 홈 서비스를 제공하는 상황인식 컴퓨팅 시스템을 제안한다. 본 논문에서는 가정 내에 설치된 센서장치로부터 사용자 생체 신호 데이터와 환경 데이터를 획득하한 후에, 획득된 컨텍스트 데이터를 정규화하고, 정규화된 컨텍스트 데이터를 패턴인식 알고리즘을 통하여 처리한 후에 자동적으로 지능형 홈오토메이션 서비스를 제공하는 게이트웨이에 대한 설계에 대하여 서술한다.

• 한국콘텐츠학회:학술대회논문집
• /
• 한국콘텐츠학회 2004년도 추계 종합학술대회 논문집
• /
• pp.296-301
• /
• 2004

무선 센서 네트워크는 초소형, 초경량의 센서모듈을 이용하여 재앙에 따른 인명 구조, 농축산물 관리 시스템, 가정자동시스템 등과 같은 곳의 정보를 수집하여 활용하는 기술이다. 본 논문은 기존의 데이터 전달 연구들보다 에너지효율과 신뢰성이 높아 질 수 있도록 하는 방향성을 가진 데이터 전달 프로토콜을 제안하고, 기존의 연구를 분석하여 성능 비교한다.

• 한국콘텐츠학회:학술대회논문집
• /
• 한국콘텐츠학회 2007년도 추계 종합학술대회 논문집
• /
• pp.874-877
• /
• 2007

본 논문에서는 가전기기, 자동차, 공장 자동화 기기, 컴퓨터 주변기기와 HA(Home Automation)를 위해 Microchip 사의 PIC16F616과 315MHz 대역의 무선 모듈과 KTX-Blue DC 모터를 사용하여 무선 제어 시스템 환경을 설계 하였고, 모터제어를 통해 시스템 동작을 확인하여 315MHz 대역에서 ASK진폭 편이 방식의 무선 통신 기법과 Manchester 부호를 사용하여, 무선 모터 제어 시스템을 설계하였다.

• International Journal of Contents
• /
• 제11권4호
• /
• pp.25-30
• /
• 2015

The objective of this study is to identify the current state of usage and needs for Smart Technology (ST) in the elderly care facilities based on the point of view of staff members. Using survey via mails, data were analyzed with responses from top- or middle-level staff members working in 171 elderly care facilities located in Seoul, Gyeonggi-do, and Chungcheongnam-do. Results indicated that the most needed smart technology was home automation, followed by nurse call system and health monitoring. The technology with the highest feasibility was health monitoring, followed by nurse call system and video phone. Staff members in higher positions working in the elderly care facilities had the highest expectation in improving the image of their facilities by using ST, while they had low expectation for the fact that ST may increase the locus of control of the elderly. This study implies that ST implementations may vary depending on the level of responsibility of staff members and ST how people responsible for the elderly care facilities subjectively perceive the ST.

• Journal of information and communication convergence engineering
• /
• 제10권4호
• /
• pp.343-348
• /
• 2012

ZigBee Network is enabling technology for home automation, surveillance and monitoring system. For better secure network environment, secure and robust security model is important. The paper proposes an application, attribute-based proxy re-encryption on ZigBee networks. The method can distribute the authority to designated sensor nodes to decrypt re-encrypted ciphertext with associated attributes. However, a previous method is required to compute complex pairing operations. The high complexity is not suited to low resource device sensor networks, and it does not provide routing security either. To resolve these problems, we present a novel mechanism. The method can reduce overhead by imposing overhead to full function devices and ensure routing paths as well.

• 대한전기학회:학술대회논문집
• /
• 대한전기학회 2005년도 심포지엄 논문집 정보 및 제어부문
• /
• pp.227-229
• /
• 2005

This paper proposes a method of implementation of digital convergence platform(DCP) which enable the service of broadcasting, communication, multimedia and home automation. Also digital convergence platform based on MPEG-21 multimedia framework can be a model to provide a distributed electronic commerce environment of multimedia and to manage of it. Platform hardware is implemented using a general purpose CPU and high performance digital signal processor and has peripheral units for network and multi I/O. It is able to run applications of multimedia which has variable formats on DSP. In addition, a personal transaction of multimedia packaged with MPEG-21 multimedia framework is provided on digital convergence platform. Like this, digital convergence platform bring up a new architecture of multimedia systems using a new generation network.

• International Journal of Control, Automation, and Systems
• /
• 제5권5호
• /
• pp.601-605
• /
• 2007

In this paper, we propose a simple and relative electrode contact monitoring method. By exploiting the power line interference, which is regarded as one of the worst noise sources for bio-potential measurement, the relative difference in electrode impedance can be measured without a current or voltage source. Substantial benefits, including no extra circuit components, no degradation of the body potential driving circuit, and no electrical safety problem, can be achieved using this method. Furthermore, this method can be applied to multi-channel isolated bio-potential measurement systems and home health care devices under a steady measuring environment.

• 대한전기학회논문지:시스템및제어부문D
• /
• 제51권5호
• /
• pp.197-202
• /
• 2002

In this paper, the characteristics of the household AC power line network is analyzed for the low bit rate powerline communication (PLC) in the frequency range from 10㎑ to 450㎑ The PLC channel transfer characteristics including its characteristic impedance are derived based on the network topology which is constructed with the household power lines loaded with the various types of electric apparatus. Both the distributed circuit analysis and the lumped circuit model based analysis are applied for the characterization of the PLC channel and the results are compared by the computer simulations. The analysis illustrates very well the adverse effects caused by the loading of electric apparatus and as well those casued by the reflection of wavers in the household AC Power line communication network.

• 한국생산제조학회지
• /
• 제20권1호
• /
• pp.1-6
• /
• 2011

This paper describes the high speed PLC-based remote control system that can monitor and control textile machineries bi-directionally through Internet. There are many textile machineries without network functions in the factory. We apply the PLC technology in order to give a network function to them in which the existing electric power line is used with network communication lines without separate wiring constructions. In order to realize this system, we have implemented a protocol for network communication of system, high-speed PLC modules, and Ethernet-to-UART modules. Finally we confirmed the effectiveness of system by applying actual test environments.