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30 November 2023 Computer controlled optical surfacing powered by a novel position-velocity-time motion scheduler
Tianyi Wang, Lei Huang, Corey Austin, Mourad Idir
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Proceedings Volume PC12778, Optifab 2023; PC1277806 (2023) https://doi.org/10.1117/12.2691700
Event: SPIE Optifab, 2023, Rochester, New York, United States
Abstract
Position-velocity-time (PVT) is a motion mode supported by many modern motion controllers. It describes the motion with piecewise cubic polynomials, which results in smoother motion profiles. However, there is no PVT-based motion scheduler available for implementing dwell time in computer controlled optical surfacing (CCOS) applications. To fill this gap, we present a novel PVT-based motion scheduler constrained by the machine dynamics for CCOS. The principle of the proposed method is explained, followed by the verification of smoothness and accuracy with different type of tool paths. Finally, a PVT-based surface generation simulator is demonstrated.
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Tianyi Wang, Lei Huang, Corey Austin, and Mourad Idir "Computer controlled optical surfacing powered by a novel position-velocity-time motion scheduler", Proc. SPIE PC12778, Optifab 2023, PC1277806 (30 November 2023); https://doi.org/10.1117/12.2691700
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KEYWORDS
Optical surfaces
Interpolation
Convolution
Discontinuities
Motion controllers
Raster graphics
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