• Title, Summary, Keyword: TII (Transducer Independent Interface)

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Implementation of Wired Sensor Network Interface Systems (유선 센서 네트워크 인터페이스 시스템 구현)

  • Kim, Dong-Hyeok;Keum, Min-Ha;Oh, Se-Moon;Lee, Sang-Hoon;Islam, Mohammad Rakibul;Kim, Jin-Sang;Cho, Won-Kyung
    • Journal of the Institute of Electronics Engineers of Korea SD
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    • v.45 no.10
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    • pp.31-38
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    • 2008
  • This paper describes sensor network system implementation for the IEEE 1451.2 standard which guarantees compatibilities between various wired sensors. The proposed system consists of the Network Capable Application Processor(NCAP) in the IEEE 1451.0, the Transducer Independent Interface(TII) in the IEEE 1451.2, the Transducer Electronic Data Sheet(TEDS) and sensors. The research goal of this study is to minimize and optimize system complexity for IC design. The NCAP is implemented using C language in personal computer environment. TII is used in the parallel port between PC and an FPGA application board. Transducer is implemented using Verilog on the FPGA application board. We verified the proposed system architecture based on the standards.

Implementation of IEEE 1451 based Dual CAN Module for Fault Tolerance of In-Vehicle Networking System (차량 네트워크 시스템의 결함 허용을 위한 IEEE 1451 기반 중복 CAN 모듈의 구현)

  • Lee, Jong-Gap;Kim, Man-Ho;Park, Jee-Hun;Lee, Suk;Lee, Kyung-Chang
    • Journal of Institute of Control, Robotics and Systems
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    • v.15 no.7
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    • pp.753-759
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    • 2009
  • As many systems depend on electronics in an intelligent vehicle, concern for fault tolerance is growing rapidly. For example, a car with its braking controlled by electronics and no mechanical linkage from brake pedal to calipers of front tires(brake-by-wire system) should be fault tolerant because a failure can come without any warning and its effect is devastating. In general, fault tolerance is usually designed by placing redundant components that duplicate the functions of the original module. In this way a fault can be isolated, and safe operation is guaranteed by replacing the faulty module with its redundant and normal module within a predefined interval. In order to make in-vehicle network fault tolerant, this paper presents the concept and design methodology of an IEEE 1451 based dual CAN module. In addition, feasibility of the dual CAN network was evaluated by implementing the dual CAN module.

Implementation of IEEE 1451 based ZigBee Smart Sensor System for Active Telemetries (능동형 텔레매트릭스를 위한 IEEE 1451 기반 ZigBee 스마트 센서 시스템의 구현)

  • Lee, Suk;Song, Young-Hun;Park, Jee-Hun;Kim, Man-Ho;Lee, Kyung-Chang
    • Journal of the Korean Society for Precision Engineering
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    • v.28 no.2
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    • pp.176-184
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    • 2011
  • As modern megalopolises become more complex and huge, convenience and safety of citizens are main components for a welfare state. In order to make safe society, telemetrics technology, which remotely measures the information of target system using electronic devices, is an essential component. In general, telemetrics technology consists of USN (ubiquitous sensor network) based on a wireless network, smart sensor, and SoC (system on chip). In the smart sensor technology, the following two problems should be overcome. Firstly, because it is very difficult for transducer manufacturers to develop smart sensors that support all the existing network protocols, the smart sensor must be independent of the type of networking protocols. Secondly, smart sensors should be modular so that a faulty sensor element can be replaced without replacing healthy communication element. To solve these problems, this paper investigates the feasibility of an IEEE 1451 based ZigBee smart sensor system. More specifically, a smart sensor for large network coverage has been developed using ZigBee for active telemetrics.