국제초고층학회논문집 (International Journal of High-Rise Buildings)

  • 제11권2호
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  • Pages.115-124
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  • 2022
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  • 2234-7224(pISSN)
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  • 2288-9930(eISSN)
한국초고층도시건축학회 (Council on Tall Building and Urban Habitat Korea)
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Development of Automated Welding System for Construction: Focused on Robotic Arm Operation for Varying Weave Patterns

  • Doyun Lee (Department of Civil, Construction, and Environmental Engineering, North Carolina State University) ;
  • Guang-Yu Nie (Department of Civil, Construction, and Environmental Engineering, North Carolina State University) ;
  • Aman Ahmed (Department of Electrical and Computer Engineering, North Carolina State University) ;
  • Kevin Han (Department of Civil, Construction, and Environmental Engineering, North Carolina State University)
  • 발행 : 2022.06.01
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초록

Welding is a significant part of the construction industry. Since most high-rise building construction structures rely on a robust metal frame welded together, welding defect can damage welded structures and is critical to safety and quality. Despite its importance and heavy usage in construction, the labor shortage of welders has been a continuous challenge to the construction industry. To deal with the labor shortage, the ultimate goal of this study is to design and develop an automated robotic welding system composed of a welding machine, unmanned ground vehicle (UGV), robotic arm, and visual sensors. This paper proposes and focuses on automated weaving using the robotic arm. For automated welding operation, a microcontroller is used to control the switch and is added to a welding torch by physically modifying the hardware. Varying weave patterns are mathematically programmed. The automated weaving is tested using a brush pen and a ballpoint pen to clearly see the patterns and detect any changes in vertical forces by the arm during weaving. The results show that the weave patterns have sufficiently high consistency and precision to be used in the actual welding. Lastly, actual welding was performed, and the results are presented.

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참고문헌

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