淡江大學機構典藏:Item 987654321/106350
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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/106350


    Title: Digital multi-step phase-shifting profilometry for three-dimensional ballscrew surface imaging
    Other Titles: 數位多步相位移輪廓量測技術應用於三維滾珠導螺桿表面成像
    Authors: Liu, Cheng-Yang;Yen, Tzu-Ping;劉承揚
    Keywords: Phase-shifting;fringe projection;ballscrew
    Date: 2016-05
    Issue Date: 2016-04-22 13:47:04 (UTC+8)
    Publisher: ELSEVIER SCI LTD
    Abstract: A digital multi-step phase-shifting profilometry for three-dimensional (3-D) ballscrew surface imaging is presented. The 3-D digital imaging system is capable of capturing fringe pattern images. The straight fringe patterns generated by software in the computer are projected onto the ballscrew surface by the DLP projector. The distorted fringe patterns are captured by the CCD camera at different detecting directions for reconstruction algorithms. The seven-step phase-shifting algorithm and quality guided path unwrapping algorithm are used to calculate absolute phase at each pixel position. The 3-D calibration method is used to obtain the relationship between the absolute phase map and ballscrew shape. The angular dependence of 3-D shape imaging for ballscrews is analyzed and characterized. The experimental results may provide a novel, fast, and high accuracy imaging system to inspect the surface features of the ballscrew without length limitation for automated optical inspection industry.
    Relation: Optics and Laser Technology 79, pp.115-123
    DOI: 10.1016/j.optlastec.2015.12.001
    Appears in Collections:[Graduate Institute & Department of Mechanical and Electro-Mechanical Engineering] Journal Article

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