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研究生: 劉秉議
Liou, Bing-Yi
論文名稱: 三維智動化磁石檢測平台開發
Development of an Intelligent Automation Algorithm for a 3-D Magnetic Measurement Platform
指導教授: 蔡明祺
Tsai, Mi-Ching
共同指導教授: 謝旻甫
Hsieh, Min-Fu
鍾俊輝
Chung, Chun-Hui
學位類別: 碩士
Master
系所名稱: 電機資訊學院 - 電機工程學系
Department of Electrical Engineering
論文出版年: 2020
畢業學年度: 109
語文別: 中文
論文頁數: 52
中文關鍵詞: 磁場量測平台K-meansNCC自動化檢測磁定位
外文關鍵詞: Magnetic Measurement Platform, K-means, NCC, Automated detection, magnetic positioning
相關次數: 點閱:84下載:12
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  • 科技發展日新月異,現今許多自動化產品及高精密儀器設備其動力來源為馬達,其生產結構與磁石息息相關。磁石製造過程多樣且繁雜,特別是近期熱門的3D磁石列印技術,不管用何種方式所製作的磁石,生產完成後皆需經過嚴謹的磁場量測,檢驗磁石的品質與特性。
    現今磁場量測方式多為手動或半自動式量測,其量測數據僅能呈現磁石各個角度所對應的磁場大小,無從得知全面性的磁力線分佈。本研究將透過待測物之CAE磁場特性,與實際量測之磁特徵進行分析,並配合其CAD三維幾何資訊,規劃實際待測物周遭量測路徑CAD/CAM,發展一套可自動定位之三維量測系統,有別以往AI智動化技術,是以待測物本身既有資訊,以快速且精準定位為訴求,達到智能定位量測功能。
    本文分為四個部分,第一部分為介紹本研究之實驗機台與設備功能:第二部分將介紹本文所使用NCC、K-means演算法與最小平方擬合圓演算法;第三部分為介紹完整智能化量測流程;最後第四部分以實驗結果驗證上述所有流程與智能定位之可行性,並展示最終量測結果。

    At the present state of the development, magnetic field measurements mostly are operated manually or semi-automatically, and the measured data can only indicate the relationship between the angle of the magnetic field and its range. The comprehensive distribution of magnetic field lines would however still stay unknown with current methods.
    This thesis is aimed to establish an automated detected and intelligent magnetic field measurement platform. The CAE magnetic field characteristics of the object to be measured and the magnetic characteristics of the actual measurement are analyzed, the CAD three-dimensional geometric information is utilized to plan the CAD/CAM measurement routing of the object to be measured, and then finally an automatic positioning three-dimensional (3D) measurement system using Normalized Cross Correlation (NCC) algorithm, K-means clustering and the least squares circle fitting is developed. The proposed system is different from the previous AI intelligent technology, which is based on the existing information of the object to be measured with the feature of fast and accurate positioning to achieve the intelligent positioning function.
    Finally, the feasibility of the proposed intelligent positioning system was verified with experimental results.

    中文摘要 I Abstract II 誌謝 VIII 目錄 IX 表目錄 XI 圖目錄 XII 符號表 XV 第一章 緒論 1 1.1 背景與研究動機 1 1.2 文獻回顧 3 1.3 論文架構 6 第二章 磁場量測平台簡介 8 2.1 三維磁場量測平台 8 2.2 高斯計 9 2.2.1 高斯計量測基本原理 9 2.2.2 三維高斯計 10 2.3 四軸量測平台 12 第三章 磁特徵定位演算法 15 3.1 定位演算法簡介 15 3.2 NCC演算法簡介 15 3.2.1 NCC演算法原理 16 3.3 K-means演算法簡介 17 3.3.1聚類分析 18 3.3.2 K-means演算法原理 18 3.4 最小平方法簡介 19 3.4.1 最小平方擬合圓原理 20 第四章 智動化量測流程 23 4.1 傳統磁場量測平台量測流程 23 4.2 智動磁場量測平台量測流程 24 4.2.1 以待測物上表面磁特徵判定量測範圍 28 4.2.2 基於上表面磁場大小進行定位分析 34 4.2.3 規劃CAD/CAM量測路徑 37 第五章 實驗與結果分析 38 5.1 實驗流程 38 5.2 非對稱複雜形狀磁石定位實驗 38 5.2.1 磁場分布圖邊緣銳化 38 5.2.2 NCC演算法定位實驗 39 5.3 對稱環狀磁石定位實驗 40 5.3.1 K-means分群演算法定位實驗 40 5.3.2 擬合圓定位分析 43 5.4 結果與討論 44 第六章 結論與未來展望 47 6.1 結論 47 6.2 未來研究建議 48 參考文獻 49

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