Journal of Korea Society of Industrial Information Systems (한국산업정보학회논문지)

Korea Society of Industrial Information Systems (한국산업정보학회)
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Driving Control of Automated Guided Vehicle Using Centroid of Gravity Method

무게중심법을 이용한 무인 운반차(AGV)의 운전제어

  • 탁한호 (경남과학기술대학교 전자공학과) ;
  • 권성갑 (경남과학기술대학교 전자공학과)
  • Received : 2014.02.27
  • Accepted : 2014.04.15
  • Published : 2014.04.30
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Abstract

AGV is most often used for the automation of freight transportation in the manufacturing industry or the distribution warehouses. AGV is fairly costly and used in goods transport between the determined location. The main control device dedicated to AGV is often autonomously developed for simplification using PLC in industry field. However, AGV developed for simplification makes many errors in traffic because it is developed for the limited simple function. Control device dedicated to AGV has been developed to solve the problem but it is almost impossible to revise the device according to the character and structure of every manufacturing industry. The purpose of this study is to propose the design method of the control system interlocked with PLC and dedicated to AGV. The control system should be to improve the problem of traffic rolling and possible to be revised according to the character of factory. It is apparent the proposed AGV system is efficient in operation in the result of several traffic performance analysis through the tests.

제조공장 또는 물류 창고의 화물운송 자동화를 위하여 AGV가 많이 사용되고 있다. AGV는 주로 정해진 장소 간에 화물을 운송하는 목적으로 사용되며, 매우 고가이다. 산업현장에서는 AGV 전용 메인제어장치를 자체적으로 PLC를 사용하여 간이적으로 개발하는 경우가 많다. 간이적으로 개발한 AGV는 단순 기능으로만 국한되어 있어 주행 중에 많은 오류를 범한다. 이러한 문제점을 해결하기 위해 전용 AGV 제어가 개발되어 있지만, 이 또한 각 생산 공장의 특징과 구조에 따라서 용도에 맞게 변경이 불가능하다. 본 연구에서는 AGV 주행 흔들림 개선과 공장의 특성에 따라 자유롭게 변경이 가능한 PLC 연동형 AGV 전용 제어 시스템의 설계 방법을 제안하였으며, 실험을 통하여 여러 가지 주행 성능을 분석한 결과, 제안된 AGV 시스템이 운영상에 효율적임을 알 수 있었다.

Keywords

References

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