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An Exploratory Study on Block chain based IoT Edge Devices for Plant Operations & Maintenance(O&M)

플랜트 O&M을 위한 블록체인 기반 IoT Edge 장치의 적용에 관한 탐색적 연구

  • Ryu, Yangsun (Graduate School of Engineering Practice, Seoul National University) ;
  • Park, Changwoo (Graduate School of Engineering Practice, Seoul National University) ;
  • Lim, Yongtaek (Institute for Advanced Engineering)
  • Received : 2018.12.21
  • Accepted : 2019.07.15
  • Published : 2019.06.30

Abstract

Receiving great attention of IoT and 4th industrial revolution, the necessity comes to the fore of the plant system which aims making it smart and effective. Smart Factory is the key realm of IoT to apply with the concept to optimize the entire process and it presents a new and flexible production paradigm based on the collected data from numerous sensors installed in a plant. Especially, the wireless sensor network technology is receiving attention as the key technology of Smart Factory, researches to interface those technology is actively in progress. In addition, IoT devices for plant industry security and high reliable network protocols are under development to cope with high-risk plant facilities. In the meanwhile, Blockchain can support high security and reliability because of the hash and hash algorithm in its core structure and transaction as well as the shared ledger among all nodes and immutability of data. With the reason, this research presents Blockchain as a method to preserve security and reliability of the wireless communication technology. In regard to that, it establishes some of key concepts of the possibility on the blockchain based IoT Edge devices for Plant O&M (Operations and Maintenance), and fulfills performance verification with test devices to present key indicator data such as transaction elapsed time and CPU consumption rate.

Keywords

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