Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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NFC antenna modeling and design for position information collecting of steel pallet for screw transfer

나사 이송용 철재 파렛트의 위치 정보 수집을 위한 NFC 안테나 모델링 및 설계

  • Lee, Eun-kyu (Dong-A University Research Park, Dong-A University) ;
  • Kim, Dong-wan (Dong-A University Research Park, Dong-A University) ;
  • Lee, Sang-wan (Dong-A University Research Park, Dong-A University) ;
  • Kim, Jae-joong (Dong-A University Research Park, Dong-A University)
  • Received : 2018.11.07
  • Accepted : 2018.12.05
  • Published : 2018.12.31
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Abstract

This paper is a study on modeling of an NFC antenna to be inserted into a steel pallet for conveying selected good products through a vision system to a threaded screw from CNC equipment. The CNC equipment used here incorporates the information communication technology (ICT) corresponding to the Internet of Things (IoT), and the smart factory system technology that produces information by exchanging information freely in two directions by connecting the POP corresponding to the service Internet is evolved Equipment. Therefore, it is possible to collect position information on the threaded workpiece by applying NFC antenna designed considering iron pallet used for material management so as to grasp estimated completion time and actual production amount according to production instruction from existing analog type equipment to POP monitoring system And investigated its characteristics.

본 논문은 CNC(Computer Numerical Control) 장비로부터 나사선 형태로 가공된 나사를 비전 시스템을 통해 선별된 양품을 이송해 주는 철재 파렛트에 삽입될 NFC(Near Field Communication) 안테나 모델링에 대한 연구이다. 여기서 사용되는 CNC 장비는 IoT((Internet of Things)) 해당하는 ICT(Information & Communication Technology)을 접목 시키고, 서비스 인터넷에 해당하는 POP(Point Of Production System)을 연결하여 쌍방향으로 자유롭게 정보를 교환하면서 생산하는 스마트팩토리 시스템 기술이 반영하여 진화된 장비이다. 따라서 본 연구에서는 기존 아날로그식 장비에 POP 모니터링 시스템을 접목하여 자재 관리로 사용되는 철재 파렛트에 삽입된 NFC 안테나를 나사 가공품에 대한 위치 정보를 수집할 수 있도록 철재 파렛트 특성을 고려하여 현장 검증을 통해 그 특성을 알아보았다.

Keywords

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Fig. 1 Hardware configuration

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Fig. 2 System configuration diagram

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Fig. 3 Process Scenario of bolts

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Fig. 4 Process diagram

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Fig. 5 Simulation section

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Fig. 6 Size and placement of chip and via hole

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Fig. 7 Specification of designed

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Fig. 8 Return loss of designed

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Fig. 9 E-plane, H-plane radiation pattern

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Fig. 10 NFC antenna location designed on pallet

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Fig. 11 Cross section of NFC antenna and ferrite layer

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Fig. 12 Return loss of antenna placed on ABS-based pallet

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Fig. 13 Radiation patterns of antennas placed on pallets (ABS)

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Fig. 14 Comparison of return loss when pallet is ABS and aluminum

Table. 1 Compare with Commercial Products

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