• Title/Summary/Keyword: network system

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Development of Multimotor Control Strategy with Network (네트워크를 이용한 다수 전동기 제어 기법의개발)

  • 최명규
    • Proceedings of the KIPE Conference
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    • 2000.07a
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    • pp.115-118
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    • 2000
  • This paper describes the method to control the multimotor drive system with network. The LonWorks network which is a leading industrial control network is applied to the yard crane position control system driven by three motors. The host computer is able to control and monitor three motor drive systems in a yard crane through network. The performance of proposed method is verified on experiments with simulator of yard crane.

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The Analysis on the Upsteam band Signal in the HFC Access Network (HFC 가입자망 상향대역 신호분석에 관한 연구)

  • 장문종;김선익;이진기
    • Proceedings of the Korean Information Science Society Conference
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    • 2004.10c
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    • pp.142-144
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    • 2004
  • To provide more qualified data service on the HFC(Hybrid-Fiber Coaxial) access network, the channel characteristics of upstream transmission band should be carefully investigated and analysed. It will be easier to do network management if the monitoring system for noise measurement in the network is available, In this paper, noise analysis method and the frequency selection method in the upstream band for duplex transmission are suggested. And, Data aquisition device for the signal measurement Is implemented. With this network monitoring system, field test and the result from the collected data are described.

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A Study on Supporting Mobile Network in Mobile IPv6 Environment (Mobile IPv6 환경에서의 Mobile Network 지원에 관한 연구)

  • Cha, Jeong-Seok;Song, Joo-Seok
    • Annual Conference of KIPS
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    • 2003.05b
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    • pp.1305-1308
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    • 2003
  • Mobile Network은 일정한 규모 이상의 이동성을 지원하는 네트워치를 말한다. Mobile IP는 표준 IP에 이동성을 지원하기 위한 기법이다. Mobile IPv4에서는 Mobile Network을 가상적인 하나의 Mobile Node처럼 취급하여 지원이 가능하다. 하지만, Mobile IPv6에서는 몇몇의 문제점으로 인하여 Mobile IPv4에서와 같은 접근이 어렵다. 이 논문에서는 Mobile IPv6환경에서 Mobile Network을 지원할 수 있는 기법을 제안하고 분석하였다.

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Modelling and Performance Evaluation of Packet Network by DEVS Simulation (DEVS 시뮬레이션을 이용한 패킷망의 모델링 및 성능분석)

  • 박상희
    • Journal of the Korea Society for Simulation
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    • v.3 no.1
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    • pp.75-88
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    • 1994
  • Discrete event modeling is finding ever more application to anlysis and design of complex manufacturing, communication, computer systems, etc. This paper shows how packet network systems may be advantageously represented as DEVS (Discrete Event System Specification) models by employing System Entity structure / Model base (SES/MB) framework developed by Zeigler. DEVS models and network structure representations support a strong basis for performance analysis of packet network systems. This approach is illustated in a typical packet network example with several routing strategies.

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A Feasibility Study on Application of Immune Network for Intelligent Controller of a Multivariable System

  • Kim, Dong-Hwa
    • 제어로봇시스템학회:학술대회논문집
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    • 2001.10a
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    • pp.115.5-115
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    • 2001
  • This paper suggests that the immune algorithm can effectively be used in tuning of a multivariable system. Then artificial immune network always has a new paraller decentralized processing mechanism for various situations, since antibodies communication to each other among different species of antibodies/B-cells through the simulation and suppression chains among antibodies that form a large-scaled network. In addition to that, the structure of the network is not fixed, but varies continuously. That is, the artificial immune network flexibly self-organizes according to dynamic changes of external environment (meta-dynamics function). However, up to the present time, models based on the conventional crisp approach ...

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The Design of a Network based Visual Agent Platform for Tangible Space (실감 만남을 위한 네트워크 기반 Visual Agent Platform 설계)

  • Kim, Hyun-Ki;Choy, Ick;You, Bum-Jae
    • Proceedings of the KIEE Conference
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    • 2006.04a
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    • pp.258-260
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    • 2006
  • In this paper, we designed a embedded system that will perform a primary role of Tangible Space implementation. This hardware includes function of image capture through camera interface, image process and sending off image information by LAN (local area network) or WLAN(wireless local area network). We define this hardware as a network based Visual Agent Platform for Tangible Space

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Availability of Repairable Network System

  • Lee, Jung-Yeon;Lee, Eui-Yong
    • Journal of the Korean Data and Information Science Society
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    • v.15 no.1
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    • pp.21-29
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    • 2004
  • In this paper, we define an availability of repairable network system, when the states of links are modeled by alternating renewal processes. The actual availabilities of some well-known network systems are obtained. The expected numbers of failures and repairs of the network systems are also calculated.

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Implementation of Drug Delivery Constitution for Inpatient based on the Position Tracking System

  • Kim, Jeong-lae;Yoon, Su-yeon;Gil, Sang-hee;Park, Bo-geun;Jeong, Hyun-woo
    • International Journal of Advanced Culture Technology
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    • v.9 no.4
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    • pp.402-408
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    • 2021
  • We are designed the delivery constitution technique that is to be measure the safe RFID statusof thewireless delivery system level (WDSL) on the delivery system tracking system. The delivery system level condition by the delivery system tracking system is organized with the RFID system. As to inspection a wireless network of the wireless network, we are found of the delivery value with wireless network by the upper take form. The concept of delivery system level is organized the reference of wireless level for delivery signal by the delivery RFID tracking system. Further, symbolizing a safe deliveryof the WDSL of the medium-minimum interval of the RFID tracking system, and the delivery wireless network RFID that was the delivery value of the far delivery of the DSTS-FA-φMED-MIN with 5.80±1.20 units, that was the delivery value of the convenient delivery of the DSTS-CO-φMED-MIN with 4.06±(-0.04) units, that was the delivery value of the flank delivery of the DSTS-φMED-MIN with 0.91±0.07 units, that was the delivery value of the vicinage delivery of the DSTS-VI-φMED-MIN with 0.18±(-0.03) units. The RFID will be to look into at the safe of the RFID tracking systemwith wireless network bythe delivery system level on the WDSL that is supply the wireless tracking system by the delivery system level system. We will be possible make to curb of a tracking system that to put the wireless signal and to use of the delivery data of RFID level by the delivery system.

Study on an Intelligent Ferrography Diagnosis Expert System

  • Jiadao, Wang;Darong, Chen;Xianmei, Kong
    • Proceedings of the Korean Society of Tribologists and Lubrication Engineers Conference
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    • 2002.10b
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    • pp.455-456
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    • 2002
  • Wear is one of the main factors causing breakdown and fault of machine, so ferrography technique analyzing wear particles can be an effective way for condition monitoring and fault diagnosis. On the base of the forward multilayer neural network, a nodes self-deleting neural network model is provided in this paper. This network can itself deletes the nodes to optimize its construction. On the basis of the nodes self-deleting neural network, an intelligent ferrography diagnosis expert system (IFDES) for wear particles recognition and wear diagnosis is described. This intelligent expert system can automatically slim lip knowledge by learning from samples and realize basically the entirely automatic processing from wear particles recognition to wear diagnosis.

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Analytical Approach of Proxy-LMA Mobility System in Heterogeneous IP-based Mobile Networks

  • Cho, Chulhee;Choi, Jae-Young;Jeong, Jongpil
    • International journal of advanced smart convergence
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    • v.4 no.1
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    • pp.71-87
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    • 2015
  • Mobile users want to be provided with undisrupted network services when they navigate on the Next-Generation (NG) wireless networks. For that, interlocking with a heterogeneous network is important, but there have been few studies on the method for guaranteeing global mobility. Thus, this paper proposes the Proxy-LMA technique, the mobile IP-based global inter-networking system, to enhance global mobility and interoperability within the Next-Generation (NG) network environment. The purpose of the proposed Proxy-LMA system is to expand the boundary of the mobility with regards to the existing mobility management protocol (PMIPv6 and MIPv6) in order to guarantee global mobility and interoperability within the heterogeneous network environment. The results of the performance evaluation showed that the proposed Proxy-LMA system was more efficient than other methods from the standpoint of signaling cost and delay in the heterogeneous network environment.