本論文研究微虛擬實境中，微氣味系統分散式控制電路之設計與製作。目的在虛擬實境所設定的情境中，根據所設定的情境在適當的時間、空間使微氣味系統釋放出氣味，讓人產生嗅覺。所以微氣味系統必須要能釋放出精確的氣味濃度以及氣味的快速收放。本研究利用溫度迴授的控制架構來控制微氣味系統中氣味產生的單元，以達到精確的氣味濃度及氣味的施放時間。
由於微氣味系統包含為數眾多的氣味產生單元，若用中央式的控制方式將會造成問題，本文設計製作了分散式控制器，利用分散式的控制架構及所設計的控制法則來控制所有的氣味產生單元，將可解決因為使用中央式控制方式所造成的問題，而且達到微氣味系統氣味的要求。

在分散式控制電路的設計中，使用了CPLD（Complex Programmable Logic Device）來製作分散式控制器，其特點是可快速且重複的將設計的電路實現，並與由LED元件模擬的微氣味系統進行控制法則的驗證。

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