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Robust roll angular error measurement system for precision machines.

Yindi Cai, Binhe Yang, Kuang-Chao Fan

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    |May 5, 2019
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    Summary
    This summary is machine-generated.

    A new roll angle measurement system (RAMS) offers accurate and low-cost precision measurements. This robust system effectively minimizes common error sources for reliable performance in various settings.

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    Area of Science:

    • Metrology
    • Optical Measurement Systems
    • Precision Engineering

    Background:

    • Precision linear stages are crucial in various scientific and industrial applications.
    • Accurate roll angle measurement is essential for optimizing the performance of these stages.
    • Existing measurement systems often face challenges with cost, complexity, and susceptibility to environmental factors.

    Purpose of the Study:

    • To develop a robust and low-cost roll angle measurement system (RAMS).
    • To minimize the impact of common error sources on roll angular measurements.
    • To provide a reliable and easily constructible system for laboratory and factory use.

    Main Methods:

    • Utilized two parallel beams and two position detectors for roll angle measurement.
    • Implemented strategies to mitigate influences from beam drift, diameter, intensity variations, and non-parallelism.
    • Conducted experimental validation to demonstrate system effectiveness and accuracy.

    Main Results:

    • Achieved a measurement accuracy within ± 1.2 arcsec over a 1-meter range.
    • Successfully reduced the impact of common error sources on measurement precision.
    • Demonstrated the system's ease of construction in both laboratory and factory environments.

    Conclusions:

    • The developed RAMS provides a cost-effective and accurate solution for roll angle measurement.
    • The system's robustness against common error sources ensures reliable performance.
    • The RAMS is suitable for implementation in both research and industrial settings.