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Robotic Mirror Therapy System for Functional Recovery of Hemiplegic Arms
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Progressive rear-view mirror for motorcycles.

Chi-Wen Chang, Han-Yin Sun, Chi-Ting Horng

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    |December 14, 2016
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    Summary
    This summary is machine-generated.

    This study introduces a novel progressive rear-view mirror for motorcycles, enhancing rider safety. The progressive design widens the field of view and stabilizes images compared to traditional mirrors.

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    Area of Science:

    • Optics and Motorcycle Safety Engineering
    • Human Factors and Visual Perception

    Background:

    • Motorcycle rear-view mirrors are critical for safety, but conventional designs have limitations in field of view and image stability.
    • Understanding the interplay between mirror geometry, blind spots, and visual perception is essential for improving motorcycle safety.

    Purpose of the Study:

    • To design and fabricate a progressive rear-view mirror for motorcycles.
    • To enhance the horizontal viewing angle and image stability for improved rider safety.

    Main Methods:

    • Analysis of geometric relationships: mirror profile, blind spot, field of view, and reflected image size.
    • Calculation of binocular disparity using Walker's eye model based on retinal image size.
    • Development of a polynomial expansion for the progressive mirror's profile.
    • Fabrication using fused deposition modeling (3D printing).

    Main Results:

    • The progressive mirror design achieves a wider horizontal viewing angle than conventional aspheric or flat mirrors.
    • The progressive mirror provides a more stable reflected image during motorcycle operation.
    • Enhanced visual perception and reduced blind spots contribute to increased riding safety.

    Conclusions:

    • The developed progressive rear-view mirror offers significant advantages over traditional designs.
    • This innovation has the potential to substantially improve motorcycle safety by providing superior visual information to riders.