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A total station spatial positioning method based on rotary laser scanning and ultrasonic ranging
Jun Wu1, Jigui Zhu2, Zhijing Yu1
1Aeronautical Engineering Institute, Civil Aviation University of China, Tianjin 300300, China.
This study introduces a new total station measurement method using multi-laser planes and ultrasonic ranging for efficient, real-time, multi-task spatial coordinate measurement with high accuracy.
Area of Science:
- Metrology and Measurement Science
- Industrial Engineering and Manufacturing
Background:
- Total station spatial coordinate measuring technology is crucial for industrial assembly and manufacturing.
- Existing methods suffer from limitations like poor efficiency and single-tasking capabilities.
Purpose of the Study:
- To develop an improved total station measurement method.
- To achieve multi-task, real-time measurement with enhanced accuracy.
- To overcome the limitations of current total station technologies.
Main Methods:
- A novel method employing multi-laser plane constraints through rotating planar planes.
- Integration of distance information from an ultrasonic ranging method.
- Utilizing spatial divergence angles of optoelectronic scanning and ultrasonic arrays for measurement.
Main Results:
- The proposed method enables multi-task and real-time spatial coordinate measurement using a single station and portable target bar.
- Experimental results confirm the method's feasibility and validity.
- Achieved a maximum distance measurement error of less than 0.2 mm within a 5 m range.
Conclusions:
- The novel total station measurement technique offers significant improvements in efficiency and functionality.
- The method provides satisfactory accuracy for large-scale industrial applications.
- It represents a viable advancement for real-time, multi-task spatial coordinate determination.
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