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Visual Alignment Method for Hoisting Prefabricated Segmented Beams
1CCCC Second Harbor Engineering Company Ltd., Wuhan 430040, China.
Sensors (Basel, Switzerland)
|June 12, 2026
Summary
This study introduces a vision-based method for aligning rods and holes during prefabricated segmented beam hoisting. The new approach enhances safety and efficiency by using binocular vision for precise measurements.
Area of Science:
- Engineering
- Computer Vision
- Robotics
Background:
- Manual alignment of rods and holes in prefabricated segmented beam hoisting is inefficient and unsafe.
- Existing methods lack the precision required for complex construction tasks.
Purpose of the Study:
- To develop and validate a vision-based alignment method for hoisting prefabricated segmented beams.
- To improve the safety and efficiency of the rod-hole alignment process.
Main Methods:
- Utilized binocular vision to capture spatial coordinates of key points on rods and holes.
- Developed a mathematical model to calculate center distance and relative rotation angle.
- Constructed an experimental platform for method validation.
Main Results:
- The vision-based method accurately measured center distance and rotation angle.
- Demonstrated significant improvements in measurement efficiency and safety.
- Achieved high accuracy, indicating practical engineering value.
Conclusions:
- The proposed vision-based alignment method offers a safer and more efficient alternative to manual operations.
- This technology has high potential for practical application in the construction industry.
- Further research can explore integration with automated systems for enhanced construction processes.
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