Riveting is the dominant connection method in helicopter assembly. To address the issues of low efficiency and poor quality control in traditional manual hammer riveting, this paper proposes a lightweight collaborative robot-based riveting system. By integrating visual and force sensors into the end-effector, we achieve precise digital control of the riveting process. Through the design of optimized workflows and human-robot interaction interfaces, flexible and efficient human-robot collaborative operations are realized. Experimental validation was conducted using aluminum alloy test plates to evaluate the riveting accuracy and performance of the proposed system. A laser tracker T-probe was employed to measure experimental data, and we perform detailed quantitative analysis to com-pare with the traditional manual riveting method. Proposed method enhances the consistency of riveting quality, with the standard deviation of riveting quality parameters reduced by over 30%. The results demonstrate that the proposed robotic riveting system meets the assembly requirements for helicopter riveting processes.

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Research on Human-Robot Collaborative Riveting for Helicopter Assembly

  • Xin Zhang,
  • Yiming Liu,
  • Qingwen Yun,
  • Hainan Song,
  • Jun Xiong

摘要

Riveting is the dominant connection method in helicopter assembly. To address the issues of low efficiency and poor quality control in traditional manual hammer riveting, this paper proposes a lightweight collaborative robot-based riveting system. By integrating visual and force sensors into the end-effector, we achieve precise digital control of the riveting process. Through the design of optimized workflows and human-robot interaction interfaces, flexible and efficient human-robot collaborative operations are realized. Experimental validation was conducted using aluminum alloy test plates to evaluate the riveting accuracy and performance of the proposed system. A laser tracker T-probe was employed to measure experimental data, and we perform detailed quantitative analysis to com-pare with the traditional manual riveting method. Proposed method enhances the consistency of riveting quality, with the standard deviation of riveting quality parameters reduced by over 30%. The results demonstrate that the proposed robotic riveting system meets the assembly requirements for helicopter riveting processes.