• 제목/요약/키워드: Monitoring & Controlling system

검색결과 323건 처리시간 0.024초

원격 제어 모니터링 시스템을 위한 임베디드 리눅스 시스템의 다중 채널 직렬 장치 구현 (Implementation of Muti-channel Serial Device of Embedded Linux System for Remote Control Monitoring System)

  • 박세현;박세훈;김응수
    • 한국정보통신학회논문지
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    • 제9권5호
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    • pp.1039-1044
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    • 2005
  • 원격 제어 모니터링 시스템을 위한 임베디드 리눅스 시스템의 다중 채널 직렬 장치를 설계하였다. 제안된 장치는 다중 채널 직렬 장치의 효과적인 데이터 처리를 위해 내부에 FIFO, Sate Machine, 인터럽트로 구성되어 있으며 임베디드 리눅스에서 효과적인 디바이스 프로그램을 가능하게 한다. 다중 채널 직렬 장치의 기존의 접근 방식은 개별 직렬 장치를 일일이 접근하고 있으나 본 장치에서는 다중 채널 직렬 장치를 한 개의 직렬 장치로 간주하여 접근하는 것과 같은 효과를 볼 수 있다. 본 장치는 다중 채널 직렬 입출력 구동에 효율적이며 기존의 다중 채널 직렬 장치 보다 접근 속도가 빠르다. 본 장치는 수질 측정과 같은 센서들 사이의 거리가 멀거나 센서와 모니터링 시스템의 사이의 거리가 먼 원격 제어 모니터링에 효과적이다.

마이크로프로세서를 이용한 인터넷 원격감시제어 시스템에 관한 연구 (A Study on a Internet Remote Control and Monitoring System using a Microprocessor Embedded Controller)

  • 서인호;유영호
    • Journal of Advanced Marine Engineering and Technology
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    • 제25권4호
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    • pp.869-879
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    • 2001
  • Serial communications such as RS-232C or RS-485 have been used to control and monitor the industrial plants for a long in cooperating with a computer or microprocessor. In recent years a great deal of effort has been made to achieve these control and monitoring through Internet network. This paper proposes a microprocessor system to implement remote control and monitoring system through Internet network. The proposed system uses NE2000 compatible NIC for data link and physical layer to access Internet network The microprocessor employed in the system plays a role of interfacing NE2000 compatible NIC interpreting protocols above link layer, controlling and monitoring industrial plants simultaneously. This paper also shows MMI and experimental results which control and monitor two power plants on the computer monitor with a mouse remotely to verify the proposed.

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Real-time Tool Condition Monitoring for Machining Operations

  • Kim, Yon-Soo
    • 산업공학
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    • 제7권3호
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    • pp.155-168
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    • 1994
  • In computer integrated manufacturing environment, tool management plays an important role in controlling tool performance for machining operations. Knowledge of tool behavior during the cutting process and effective tool-behavior prediction contribute to controlling machine costs by avioding production delays and off-target parts due to tool failure. The purpose of this paper is to review and develop the tool condition monitoring scheme for drilling operation to assure a fast corrective response to minimize the damage if tool failures occur. If one desires to maximize system through-put and product quality as well as tooling resources, within an economic environment, real-time tool sensing system and information processing system can be coupled to provide the necessary information for the effective tool management. The example is demonstrated as to drilling operation when the aluminum composites are drilled with carbide-tipped HSS drill bits. The example above is limited to the situation that the tool failure mode of drill bits is wear.

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무선통신을 이용한 무인차량 원격감시설비 개발 및 적용에 관한 연구 (A Study on Development and Application of the Remote Driverless Vehicle Monitoring System by using Radio Communication)

  • 최재호;이종성;임창희
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2011년도 정기총회 및 추계학술대회 논문집
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    • pp.3073-3078
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    • 2011
  • Driverless Train Control System has been recently introduced and commercialized in Korea. It is expected that the vehicle with driverless operation system will be used in new lines such as Sinbundang line soon. Therefore it is necessary to change the system operation and conception of the existing train operation system and the necessity of driverless vehicle monitoring system meeting a new paradigm is rising. In order to dispel concerning about safety issues caused by driverless train operation, the importance to establish vehicle error detection, useful fault diagnosis and rapid action plans is higher than ever. For this, efficient and higher level of vehicle supervision & control system should be essentially supported. In this study, remote driverless vehicle monitoring system using by radio communication is suggested to be used for monitoring and controlling important parts of the vehicle and diagnose and take quick actions when vehicles are in trouble at control tower at real time.

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성폭력범죄자 전자감시제도의 문제점과 개선방안 (Improvement Problems Electronic Monitoring System for Sexual Assault Offender)

  • 김상균
    • 디지털융복합연구
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    • 제12권2호
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    • pp.39-43
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    • 2014
  • 전자감시제도는 범죄자를 통제하기 위한 수단으로 최근에 도입되었다. 전자감시제도는 일정한 조건으로 석방된 범죄자가 지정 된 시간에 지정된 장소에 있는지 여부를 확인하기 위한 범죄자의 원격감시제도의 하나로 서 새로운 사회내처우의 하나이다. 전자감시제도는 현재 초기단계이기 때문에 그에 따른 문제점들도 많겠지만, 꾸준한 제도의 보완을 통해 국민들이 범죄로부터 안전할 수 있도록 제도적인 보완작업이 지속적으로 이루어져야 할 것이다.

예측감시 시스템에 의한 드릴의 마멸검출에 관한 연구 (A Study on the Wear Detection of Drill State for Prediction Monitoring System)

  • 신형곤;김태영
    • 한국공작기계학회논문집
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    • 제11권2호
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    • pp.103-111
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    • 2002
  • Out of all metal-cutting process, the hole-making process is the most widely used. It is estimated to be more than 30% of the total metal-cutting process. It is therefore desirable to monitor and detect drill wear during the hole-drilling process. One important aspect in controlling the drilling process is monitoring drill wear status. There are two systems, Basic system and Online system, to detect the drill wear. Basic system comprised of spindle rotational speed, feed rates, thrust torque and flank wear measured by tool microscope. Outline system comprised of spindle rotational speed feed rates, AE signal, flank wear area measured by computer vision, On-line monitoring system does not need to stop the process to inspect drill wear. Backpropagation neural networks (BPNs) were used for on-line detection of drill wear. The output was the drill wear state which was either usable or failure. This paper deals with an on-line drill wear monitoring system to fit the detection of the abnormal tool state.

임베디드 시스템을 이용한 모터 제어 및 모니터링 (Motor Control and Monitoring with Embedded System)

  • 윤태성;장기원;김정현
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2005년도 심포지엄 논문집 정보 및 제어부문
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    • pp.188-190
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    • 2005
  • In this study, a smart motor control and monitoring system is developed with an embedded board where Intel PXA255B CPU is mounted. Linux is ported into the embedded board as RTOS(Real Time Operating System), and the environment which communicate with a motor driver through serial protocol and is capable of controlling and monitoring the motor in real time is built in the system. A user friendly GUI is developed for the convenient operation of the system. Also, the environment which is able to control and monitor the motor driver remotely is built in the system using TCP/IP protocol.

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사람-사람, 사람-사물의 대화를 지원하는 인스턴트 메신저 구현 (Implementation of an Instant Messenger Supporting Human-Human and Human-Thing Communication)

  • 최종명
    • 디지털산업정보학회논문지
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    • 제5권1호
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    • pp.1-8
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    • 2009
  • This paper is about the implementation of MyTalk, an instant messaging system, which supports human-human and human-thing communication. It consists of agents which are representatives of communication entities, and agent windows for user interfaces. Users can communicate with their buddies, and monitor and control remote "things" and devices with MyTalk. We also introduce the concept of agent window, which provides the most suitable GUIs (text, form, graph etc) for communication. Currently, MyTalk supports ordering goods, controlling devices like printers, monitoring sensors, managing applications, and real-time talk. Furthermore, we can extend it to application platform for remote monitoring, remote controlling, and real time cooperation.

u-Farm 서비스를 위한 미들웨어의 모니터링 및 제어 시스템 설계 (Design of the Monitoring and Controlling System on Middleware for u-Farm Service)

  • 주휘동;강현중;이명훈;여현
    • 한국정보통신학회논문지
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    • 제12권7호
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    • pp.1321-1328
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    • 2008
  • 본 논문에서 제안된 미들웨어는 상황인지와 이벤트 중심적인 구조에 초점을 맞춰 돈사와 같은 농업 서비스를 위한 모니터링 및 제어 시스템이다. u-Farm 미들웨어는 센서 필드로부터 얻어진 상황정보를 모니터링하고 처리함으로써, 농업 애플리케이션 서비스로부터의 다양한 쿼리에 대하여 즉각적인 응답을 제공한다. 이러한 시스템은 제어 장치로 하여금 최적의 유비쿼터스 농업 환경을 제공할 수 있도록 적합한 액션을 취하게 한다.