AOIAutomatic Optic Inspection 104 3 201219 5 AOIAutomatic
- Slides: 56
AOI(Automatic Optic Inspection) 資料來源: 104人力銀行 3
2012年半導體資本支出將下降19. 5% 資料來源:科技產業資訊室 AOI(Automatic Optic Inspection) http: //iknow. stpi. org. tw/ 4
機器視覺的定義 q q 一種非接觸式感測(non-contact sensing)的裝 置,能夠自動擷取與解釋(interpret)真實景物 的影像,然後取得影像的資訊以控制機器或製程 “The use of devices for non-contact sensing to automatically receive and interpret an image of a real scene in order to obtain information and/or control machines or process. ” The Society of Manufacturing Engineers(SME 國際製造 程協會) AOI(Automatic Optic Inspection) 6
機器視覺系統之應用 n 檢測(Inspection) q n 識別(Recognition) q n OCR、車牌 量測(Measurement) q n 瑕疵檢查 長度、寬度、厚度 定位(Alighment) q 取放、打線 AOI(Automatic Optic Inspection) 12
鏡頭基本參數 n 視野範圍(FOV) n 作距離(WD) n 景深(DOF) n 解析度(Resolution) AOI(Automatic Optic Inspection) 圖片來源:EO Edmund 22
薄透鏡成像公式 AOI(Automatic Optic Inspection) 23
鏡頭種類 C Mount CS Mount F Mount CCTV Lens Zoom Lens Macro Lens Telecentric Lens AOI(Automatic Optic Inspection) Filter Polarizer Prism 圖片來源:肯定資訊、碁仕科技 24
Image Process 1 Original Image n Reverse n Exponential n Power X AOI(Automatic Optic Inspection) 26
Image Process 2 Original Image n Laplacian n Sobel n Dilate n Erode AOI(Automatic Optic Inspection) 27
CCD攝影機分類 n 色系 q q n 形狀 q q n q q q 可見光 紅外光(Infra Red) 紫外光(Ultra Violet) X-Ray 掃瞄方式 q q n 面型(Area) 線型(Line) 感光頻譜 q n Color Mono 交錯式(Interlaced) 非交錯式(Progressive) 視訊訊號 q q 類比(Analog) 數位(Digital) AOI(Automatic Optic Inspection) 29
Digital Camera界面比較 Camera. Link IEEE-1394 a Max peed 2. 38 Gbits/s 12. 5 -50 Mbits/s (100400 Mbits/s) No. of devices 1 63 63 126 Total length of able 30 m 4. 5 m/segment 72 m to farthest camera To 100 m 30 m-10 km Comments Point-to-pointinterface AOI(Automatic Optic Inspection) IEEE-1394 b Fiber Channel 100 -200 Mbits/s 200 -400 Mbits/s (0. 8 -1. 6 Gbits/s) Interface includes SCSI protocol 30
影片欣賞 n 高速動態取像辨識系統 AOI(Automatic Optic Inspection) 32
CCD觸發訊號來源比較 n 軸卡觸發 n Sensor觸發 AOI(Automatic Optic Inspection) 33
What’s On The Fly AOI(Automatic Optic Inspection) 36
What’s On The Fly AOI(Automatic Optic Inspection) 37
Flow Chart AOI(Automatic Optic Inspection) 38
Progressive Scan AOI(Automatic Optic Inspection) 41
為何於加速段會造成取像位置不一定? AOI(Automatic Optic Inspection) 46
機構設計與視覺溝通 AOI(Automatic Optic Inspection) 48
範例 n 範例1: q q q n CCD Index Time= 50 ms 吸嘴Pitch= 30 mm 螺距= 10 mm/rev 速度=吸嘴Pitch/CCD Index Time= 30/50= 0. 6 mm/ms= 600 mm/s 轉速RPM:速度/螺距= 600(mm/s)/10(mm/rev)= 60(rev/s) =3600(rev/min) 範例2: q q q CCD Index Time= 40 ms 吸嘴Pitch= 20 mm 螺距= 20 mm/rev 速度=吸嘴Pitch/CCD Index Time= 20/40= 0. 5 mm/ms= 500 mm/s 轉速RPM:速度/螺距= 500(mm/s)/20(mm/rev)= 25(rev/s) =1500(Rev/min) AOI(Automatic Optic Inspection) 49
相關論壇 n http: //aoiea. itri. org. tw/company/index. aspx AOI(Automatic Optic Inspection) 54
104人力銀行 AOI(Automatic Optic Inspection) 55
Q&A AOI(Automatic Optic Inspection) 56
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