Abstract
In this study, positioning error measurements and compensation techniques were developed for a two-dimensional (2D) coplanar aerostatic system. Standard optical template targets were acquired using charge-coupled device (CCD) image acquisition; after which, positioning errors were measured and compensated for. A 2D Lagrange equation was utilized to compensate for the precision of the precision aerostatic system. Experimental results showed that X- and Y-axis positioning accuracy improved from 5.06 to 1.53 μm and from 3.99 to 1.06 μm, respectively, signifying improvements of over 70%.
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Chen, MF., Wang, PH. & Hsiao, WT. Aerostatic moving stage positioning compensation using a numerical algorithm combined with an image acquisition method. Int J Adv Manuf Technol 104, 1203–1210 (2019). https://doi.org/10.1007/s00170-019-04077-3
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DOI: https://doi.org/10.1007/s00170-019-04077-3