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Omnidirectional Sensor Design for Distributed Laser Measurement Systems.

Fei Liu1, Qing Liu2, Yaohui Zhi3

  • 1School of Materials Science and Engineering, Xi'an University of Science and Technology, Xi'an 710054, China.

Sensors (Basel, Switzerland)
|February 10, 2024
PubMed
Summary
This summary is machine-generated.

This study introduces a novel omnidirectional sensor to overcome limitations in distributed laser measurement systems. The new sensor offers improved accuracy and adaptability for complex environments in large-scale manufacturing applications.

Keywords:
distributed laser measurement systemomnidirectional sensorprecision measurementsignal detection

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Area of Science:

  • Metrology and Measurement Science
  • Optical Engineering
  • Sensor Technology

Background:

  • Distributed laser measurement systems face challenges in large spatial measurements due to obstructions and weak signal intersections.
  • Existing planar sensors have limitations in complex environments, impacting accuracy in high-end applications like aerospace and marine manufacturing.

Purpose of the Study:

  • To develop and validate a novel omnidirectional sensor for enhanced distributed laser measurement systems.
  • To improve adaptability in complex environments and achieve higher measurement accuracy.

Main Methods:

  • Established an integrated omnidirectional measurement model.
  • Analyzed the optical path and designed a signal-conditioning circuit for photoelectric conversion.
  • Developed a circuit testing platform to validate sensor performance.

Main Results:

  • The omnidirectional sensor demonstrated superior performance in complex environments, receiving 360° laser signals.
  • Achieved positional accuracy exceeding 0.05 mm and attitude angle accuracy exceeding 0.04°.
  • System measurement accuracy was verified to be better than 0.3 mm, fulfilling sub-millimeter precision requirements.

Conclusions:

  • The novel omnidirectional sensor significantly enhances distributed laser measurement systems.
  • The sensor's improved accuracy and adaptability expand its application scope in demanding industrial fields.
  • This technology addresses key limitations of planar sensors in complex measurement scenarios.