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

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Trends of Sensor-based Intelligent Arc Welding Robot System

센서기반 지능형 아크 용접 로봇 시스템의 동향

  • Joung, Ji Hoon (Engine Machinery Research Institute, Hyundai Heavy Industries Co., Ltd.) ;
  • Shin, Hyeon-Ho (Engine Machinery Research Institute, Hyundai Heavy Industries Co., Ltd.) ;
  • Song, Young Hoon (Engine Machinery Research Institute, Hyundai Heavy Industries Co., Ltd.) ;
  • Kim, SooJong (Engine Machinery Research Institute, Hyundai Heavy Industries Co., Ltd.)
  • 정지훈 (현대중공업 엔진기계연구소) ;
  • 신현호 (현대중공업 엔진기계연구소) ;
  • 송영훈 (현대중공업 엔진기계연구소) ;
  • 김수종 (현대중공업 엔진기계연구소)
  • Received : 2014.07.07
  • Accepted : 2014.09.15
  • Published : 2014.10.01
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Abstract

In this paper, we introduce an intelligent robotic arc welding system which exploits sensors like as LVS (Laser Vision Sensor), Hall effect sensor, voltmeter and so on. The use of industrial robot is saturated because of its own limitation, and one of the major limitations is that industrial robot cannot recognize the environment. Lately, sensor-based environmental awareness research of the industrial robot is performed actively to overcome such limitation, and it can expand application field and improve productivity. We classify the sensor-based intelligent arc welding robot system by the goal and the sensing data. The goals can be categorized into detection of a welding start point, tracking of a welding line and correction of a torch deformation. The Sensing data can be categorized into welding data (i.e. current, voltage and short circuit detection) and displacement data (i.e. distance, position). This paper covers not only the explanation of the each category but also its advantage and limitation.

Keywords

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