虛擬實境關鍵技術之開發

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齊孝元(Hsiao-Yuan Chi ) 查詢紙本館藏

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機械工程研究所

論文名稱

虛擬實境關鍵技術之開發

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摘要(中)

本研究主要探討目前虛擬實境（Virtual Reality）週邊關鍵設備的發展與現況，並使用微處理器技術，自製虛擬實境週邊模組，開發建立本土化的虛擬環境（Virtual Environment）。其中包括空間定位器（Tracker）、頭盔顯示器（Head-Mounted Display；HMD）、感應手套（Glove）、觸覺回饋裝置（Tactile Feedback）等。此外將週邊於以整合，並完成兩個系統的製作。
手部復健系統透過各週邊加以整合包括空間定位器、感應手套、觸覺回饋裝置、與HMD。其在HMD虛擬場景中，使用虛擬手套捉取物件時，產生震動觸覺回饋。而復健醫師，可將病人使用系統時，移動操作物件的路徑與捉取物件時手指彎曲的程度，當作診斷病人恢復情況的依據，對醫療復健領域作出貢獻。
運動健身系統使用STN LCD（Super-Twisted Nematic Liquid Crystal Display；超扭轉向列型液晶顯示器）、健身腳踏車及心跳模組組合；其藉著各週邊搭配，可隨時在LCD上顯示使用者踩動速度、消耗的卡路里及心臟跳動量，再配合場景中虛擬腳踏車隨踩動速度及操作方向達到即時互動的娛樂效果，充分將健身與娛樂效果整合。

關鍵字(中)

★ 復健
★ 心跳感測器
★ 感應手套
★ 空間定位器
★ 虛擬實境
★ 觸覺回饋裝置
★ 運動介面裝置
★ 頭盔顯示器

關鍵字(英)

★ Glove
★ HMD
★ Tracker
★ Tratile Feedback
★ Virtual Reality

論文目次

中文摘要.....................................I
致謝........................................II
總目錄.....................................III
圖目錄.....................................VII
表目錄.....................................XII
第1章緒論...................................1
1.1 研究動機與目標.........................1
1.2 文獻回顧...............................3
1.2.1 虛擬實境對人體影響.................3
1.2.2 虛擬實境週邊設備開發...............6
1.2.3 虛擬實境設備間相互結合與應用......19
1.3 研究範圍與方法........................22
1.4 論文架構..............................24
第2章虛擬實境相關理論研究..................26
2.1 LCD相關顯示原理.......................26
2.2 空間定位儀器..........................33
2.2.1 空間定位器原理....................33
2.2.2 各種空間定位器比較................38
2.3 HMD...................................39
2.3.1 HMD的各種顯像方式.................39
2.3.2 HMD採用顯示器種類.................42
2.3.3 HMD的評估方式.....................44
2.4 感應手套（Glove）相關研究.............50
2.4.1 感應手套..........................50
2.4.2 觸覺回饋（Tactile Feedback）......51
2.5 健身腳踏車及心跳Sensor相關原理........54
2.5.1 健身腳踏車........................54
2.5.2 心跳Sensor........................55
第3章手部復健系統週邊建構..................57
3.1 空間定位器製作........................57
3.1.1 空間座標之定義....................57
3.1.2 機械式空間定位器製作..............57
3.1.3 結果分析..........................59
3.2 HMD製作...............................59
3.2.1 HMD規格...........................59
3.2.2 TFT LCD規格.......................60
3.2.3 透鏡相關理論......................62
3.2.4 HMD製作過程.......................64
3.2.5 結果分析..........................69
3.3 感應手套與觸覺回饋裝置製作............69
3.3.1 應變規原理及訊號量測方式..........70
3.3.2 感測手套量測方式..................72
3.3.3 觸覺回饋裝置製作..................72
3.3.4 感應手套與觸覺回饋裝置製作整合....74
3.3.5 感應手套與觸覺裝置規格............75
3.3.6 結果分析..........................76
第4章運動健身系統週邊建構..................77
4.1 STN LCD...............................77
4.1.1 STN LCD規格.......................77
4.1.2 影像處理與場景取得................78
4.2 健身腳踏車與心跳模組..................81
4.2.1 健身腳踏車訊號....................81
4.2.2 心跳模組訊號......................81
第5章系統模組化應用........................84
5.1 手部復健系統..........................84
5.1.1 硬體架構..........................84
5.1.2 場景建構方式......................86
5.1.3 畫面操作流程......................87
5.1.4 操作實例與說明....................88
5.1.5 結果分析..........................92
5.2 運動健身系統..........................94
5.2.1 硬體架構..........................94
5.2.2 功能介紹與程式寫作技巧............96
5.2.3 結果分析.........................106
第6章結論與未來研究方向...................108
6.1 結論.................................108
6.2 未來研究方向.........................109
參考文獻...................................111
附錄.......................................122

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指導教授

洪祖昌(Zuu-Chang Hong)

審核日期

2001-7-5

推文