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

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Research on the Replacement of LiDAR for AMR to Minimize Production Lags

공정 지연 최소화를 위한 AMR의 LiDAR 교체 방법에 대한 연구

  • Ahn, Kyeun (Graduate School of Management of Technology, Hoseo University) ;
  • Cheong, Hee-Woon (Graduate School of Management of Technology, Hoseo University)
  • Received : 2022.03.11
  • Accepted : 2022.09.19
  • Published : 2022.10.31
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Abstract

In this research, a method for minimizing the replacement time of AMR (Autonomous Mobile Robot), which is used in various industrial groups such as logistics and manufacturing, was studied in the event of a LiDAR failure. In this regard, a general LiDAR exchange process was defined and a new exchange process based on the newly designed jig, which is mounted on the AMR, for the quick change of LiDAR was proposed. The experiment is conducted using commercialized AMR which was developed for application in the factory of an automobile manufacturing company. It was confirmed that LiDAR can be replaced and aligned within 24 minutes when the new exchange process is employed, which is about 76% or more shorter than the general LiDAR exchange process. As a result, we can minimize AMR downtime and overall process delays by applying the proposed process.

본 논문에서는 최근 물류, 제조업 등 다양한 산업군에서 활용되는 AMR(Autonomous Mobile Robot)의 LiDAR 고장 시 교체 시간을 최소화하는 방법에 대해 연구하였다. 이를 위해 일반적인 LiDAR 교체 프로세스를 정의하고 퀵-체인지 기구에 기반한 새로운 프로세스를 제안하였다. 실험은 자동차 제조 기업 공장 내 적용을 위해 개발된 AMR을 활용해 수행하였으며, 새로운 프로세스 적용 시 24분 내 LiDAR 교체가 가능하며 일반적 프로세스 대비 약 76% 이상 단축됨을 확인할 수 있었다. 결과적으로, 제안된 프로세스의 적용을 통해 AMR의 비가동 및 전체적인 공정 지연을 최소화할 수 있다.

Keywords

Acknowledgement

This research was supported by the MSIT (Ministry of Science and ICT), Korea, under the ITRC(Information Technology Research Center) support program(IITP-2022-2018-0-01417) supervised by the IITP(Institute for Information & Communications Technology Planning & Evaluation) This research was also supported by the MOTIE (Ministry of Trade, Industry and Energy), Korea, under Advanced Human Resources Development for Diffusion of Convergence Technology Commercialization program supervised by the KIAT(Korea Institute for Advancement of Technology)

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