Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Development of a Remote Operation System for a Quay Crane Simulator

안벽크레인 시뮬레이터 원격운전 시스템 개발

  • Kang, Seongho (Dept. of Computer Engineering, Tongmyong University) ;
  • Lee, Sanggin (Dept. of Computer Engineering, Tongmyong University) ;
  • Choo, Young-Yeol (Dept. of Computer Engineering, Tongmyong University)
  • 강성호 (동명대학교 컴퓨터공학과) ;
  • 이상진 (동명대학교 컴퓨터공학과) ;
  • 추영열 (동명대학교 컴퓨터공학과)
  • Received : 2014.10.14
  • Accepted : 2015.01.07
  • Published : 2015.04.01
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Abstract

Quay cranes are considered core equipment for container terminal operation. However, unmanned operation systems have not as yet been announced due to the technological difficulties of implementation. In this paper, we developed a wireless controller to control a quay crane simulator remotely and conducted its performance test, a first step toward unmanned operation of quay cranes. The communication delay of a developed wireless controller was about 9.4ms on average while that of existing wired controllers was about 5.6ms. The same functions were implemented and tested on a smart phone where the average communication delay was 7.3ms. In addition, to apply the developed system into a real environment, we proposed a network architecture based on IEEE 802.11ac and carried out its performance evaluation. When the distance between two nodes was 50m apart, the throughputs of the TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) were 57Mbps and 189Mbps, respectively. The communication delay of the control data was 9.1ms through the TCP channel. These results reveal the proper working of remote quay crane operation if we adopt the IEEE 802.11ac network.

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References

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