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研究生: 葉庭琦
Ting-chi Yeh
論文名稱: 於DSP實現適應性角速度VKF階次追蹤之即時訊號追蹤及其應用
指導教授: 潘敏俊
Min-chun Pan
口試委員:
學位類別: 碩士
Master
系所名稱: 工學院 - 機械工程學系
Department of Mechanical Engineering
畢業學年度: 99
語文別: 中文
論文頁數: 51
中文關鍵詞: 階次追蹤卡曼濾波器
外文關鍵詞: Order tracking, Vold-Kalman Filter
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  • 本研究以適應性角速度弗德-卡曼濾波階次追蹤(Vold-Kalman Filtering Order Tracking, VKF_OT)為演算法基礎,使用數位訊號處理器為計算核心,並配合以LabVIEW撰寫之使用者介面,發展一套可應用於旋轉機械的即時監控系統。當機械系統運轉時,藉由此監控系統即時追蹤由傳動元件或是因機械系統本身特性所產生之階次訊號,即可得知機械系統當時運轉狀態。研究中為了證明即時監控系統追蹤結果之有效性,先由模擬訊號確認能夠正確濾出特定階次訊號;再分別應用於軸頸軸承轉子系統與滾珠軸承轉子系統機台之監測,藉由在兩種機台上所進行的實驗證明即時監控系統能夠正確且立即的追蹤階次訊號。


    The study bases on the adaptive angular-velocity VKF_OT algorithm, implemented with DSP chips and coded with the user interface of LabVIEW to build a real-time condition monitoring system. When a rotary machinery is running, we can know the operation status by using the real-time condition monitoring system to track order signal caused by transmission elements. The tracking results show the effectiveness though processing two synthetic signatures composed of different order/spectral components. Additionally, two experimenta1 tasks are designed to further justify the developed real-time condition monitoring system in practical works.

    摘要I AbstractII 致謝III 目錄IV 圖目錄V 表目錄VI 第一章 緒論1 1.1 研究動機1 1.2 相關文獻回顧2 1.3 研究範圍3 第二章 適應性角速度VKF_OT理論基礎4 2.1結構方程式4 2.2資料方程式6 2.3基於卡曼濾波器求解波形7 第三章 即時監控系統及實驗規劃12 3.1即時監控系統12 3.1.1 DSP硬體及程式設計12 3.1.2使用者介面14 3.2實驗規劃15 3.2.1軸頸軸承轉子系統15 3.2.2滾珠軸承轉子系統20 第四章 即時監控系統數值模擬25 4.1軸頸軸承轉子系統模擬訊號25 4.2滾珠軸承轉子系統模擬訊號28 第五章 即時監控系統實際應用31 5.1軸頸軸承試驗平台31 5.2滾珠軸承試驗平台36 第六章 結論與未來展望38 6.1 結論38 6.2未來展望38 參考文獻39

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