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奈米粒子為基礎之光增強表面電漿共振感測器

為了解決Electromagnetic valv的問題，作者羅雅鈴 這樣論述：

Nanotechnology is the most attractive term in science literature. And the noble metal nanoparticles which has size- and shape-dependent properties has promoted a great deal of excitement during the last decades. These nanostructure materials have potential in many areas such as biological detection

, drug delivery system, low threshold lasers, sensors and optical filters. In this thesis, we utilize the Kretschmann configuration surface plasmon resonance to investigate the optical properties of two types of nanoparticles, the rod- and sphere-shaped nanoparticles with four different sizes of n

anosphere and four different absorption wavelengths of nanorods. The nanoparticles are deposited on the gold substrate with self-assembly technique. The ellipsometry method is utilized for the measurements of the optical constants of the nanosphere layer. Furthermore, the nanorods are employed for t

he testing of bio-sensitivity with ALV virus and IgG antibody. The nanosphere layer exhibits the size-dependent FWHM and reflectance of the surface plasmon resonance dip. The nanorods display a narrower SPR dip than the nanosphere. These are partly related to the nanoparticle behaviors of scatteri

ng spectra. The depositions of nanoparticle enhance the optical field in the vicinity of the particle and form a strong perturbation of the electromagnetic filed. Thus this phenomenon greatly influences the variation of the refractive index. We utilize the mechanism to amplify the SPR signal and can

detect the concentration of antigen down to 6x10^-13 g/mL so far.

PID與模糊控制在營建工程自動化的探討

為了解決Electromagnetic valv的問題，作者吳明昌 這樣論述：

摘要在此論文中，控制技術將被應用於營建工程以達自動化，本文分別探討運用無線電方向判讀系統自走車於導航潛鑽工法之改善，及移動機械臂焊接系統於遮蔽金屬電弧銲之應用，已達修護焊接程序之自動化。本文研發一撘載地下鑽頭數位定位接收器之自走車，該自走車具有無線電方向判讀系統，能定位移動或靜止之地下鑽頭且追蹤此鑽頭，不受限於一預定之軌跡或路徑，此自走車系統使用其車上無線電方向判讀系統迅即尋找及追蹤該移動或靜止之鑽頭，比較於傳統之導航潛鑽工法，此系統能減少操作人員、減輕勞力成本、避免意外及增加營建自動化程度。無線電方向判讀系統之設計及如何定位追蹤目標，於本論文中所考量，為克服無法求得無線電方向判讀系統自走車

之精確動態模組，一”模糊控制器”被設計用以控制此系統，且令此系統具有追蹤目標之能力，實驗結果證明此無線電方向判讀系統自走車能追蹤一移動或靜止目標。傳統地，遮護金屬電弧焊接由人力所操作執行，因此，於危險區域施作焊接並不適合，例如於核能發電廠；當裂縫之位置被事先求得，此機械臂迅即被驅動以固定焊接速度沿焊接路徑前進，因為遮護金屬電弧焊接修護程序，電擊隨焊接過程消耗，故機械臂關節軌跡需要被修正，為保持固定焊接電流及電弧長度，控制系統由量測之焊接電流決定電擊之進給速度，同時修正關節軌跡，實驗結果顯示此系統能有效執行遮護金屬電弧焊且得到好焊接品質。