https://scholars.lib.ntu.edu.tw/handle/123456789/61760
標題: | 環控箱之新型恆溫控制研究 Novel Constant Temperature Control of Environmental Box |
作者: | 江銘偉 Chiang, Ming-Wei |
關鍵字: | 環控箱;控制;Environmental Box;control | 公開日期: | 2006 | 摘要: | 本研究旨在開發塔置型的環控裝置,透過節流控制技術來改變毛細管冷煤流量,以控制蒸發器的溫度,達到箱內恆溫控制的目的。為了可以精確地控制箱內溫度,本研究先進行環控箱動態系統識別,然後進行控制系統設計分析。本研究實地開發一高性能環控箱原形機,以PIC16F877A製成控制處理器,並對系統作完整的測試評估。結果顯示,溫度可微調範圍為15~22℃,可抵抗10W干擾,溫度誤差在±0.8℃以內。 The main purpose of the present research is to develop a tower-mounted high performance environmental control box. By the technology of throttle to change the flow rate of capillary cryogen, we can control evaporator's surface temperature to obtain constant temperature in the box. In order to accurately control operational temperature inside the box, the main purpose of the present research is to be environmental control box's dynamic system identification, then to be design and analysis of the control system. A prototype of high performance environmental control box using PIC16F877A was built and tested. The experimental results show that we can control the box temperature between 15~22℃ and the temperature control error is less than 0.8℃, otherwise, the 5W disturbance is under control. |
URI: | http://ntur.lib.ntu.edu.tw//handle/246246/61296 | 其他識別: | zh-TW |
顯示於: | 機械工程學系 |
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ntu-95-R93522822-1.pdf | 23.53 kB | Adobe PDF | 檢視/開啟 |
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