在柴油車輛中裝置後處理器設備，可以有效幫助改善空氣污染，而後處理器的監控設備、感測裝置及無線資料傳輸為使其發揮效能的主要工具。本研究在後處理器之監控上分為兩部分探討，一為隨車量測系統，另者為紀錄管制站。隨車量測系統為後處理濾煙系統下發展的一套資料擷取系統。無人管制站監控系統利用車輛在進出口之無線資料的傳輸與收集，透過單晶片與電腦做資料整合後，遠端儲存至資料庫並顯示於網頁介面，可便於研究人員查詢，以達成紀錄管制的有效監控。本研究篩選各種不同的無線傳訊技術，選擇最適切的硬體，以達成柴油車輛與管制監控站間的數據傳輸所需的技術。整體管制站監控系統由設計至架設完成所遭遇的各種問題、感應裝置之挑選、天線的影響、無線資料傳輸的雜訊等，此類問題的發生都和環境有關。本研究在監控站完成實際架設後，已有效克服許多問題。經過多次的測試與改進，使其提供可長時間運作服務之系統，完成系統穩定度、可靠度所需的指標。

Development of post-processor for diesel engines can reduce air pollution in significance. How to monitor the post-processor device to keep it function efficiently, the data acquisition using proper sensors and wireless data transmission to monitor station would be major tools to study. This research presents a measurement system for mobile devices and record data for monitoring station. The measurement system is focus on establishing a sensor data acquisition system for exhausted gas in the post-processor; while the monitoring system is focus on data transmission by wireless communication. The monitoring system integrates microprocessor and the computer to accomplish a mobile and location free data transmission. The importance of this thesis determines suitable wireless communication tool to effectively overcome the serious problems resulting from abominable environment. Through the tests and practically instrument setup, the proposed wireless data transmission has overcome wireless device selection, antenna setting, noise elimination and data rate adjustment to accomplish an unmanned monitoring system in high stability and reliability.

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