Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/6439
標題: 治療阻塞性睡眠中斷呼吸器之高等數位氣道壓力控制
Advanced Digital Control of Airway Pressure for Treatment of Obstructive Sleep Apnea
作者: 賴忠裕
Lai, Chung-Yu
關鍵字: 阻塞性睡眠中斷;Continuous positive airway pressure (CPAP);持續陽壓式呼吸器;雙陽壓式呼吸器;Feedforward Control;Obstructive Sleep Apnea (OSA);parameter estimation;Proportional-Integral Control;Recursive Least-Squares (RLS)
出版社: 電機工程學系所
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摘要: 
本論文的研究目的在發展阻塞性的睡眠中斷患者所使用陽壓式呼吸器之系統設計和控制的方法學與技術。利用直流無刷馬達整合鼓風機建立一套壓力控制器之陽壓式呼吸器,並發展一套以個人電腦為基礎之數位控制器實現技術。文中先探討如何著手設計直流無刷馬達的轉速控制器,並在使用參數估測之方法建立呼吸穩態時的控制命令對管路壓力之數學模型,並以此數學模型實現壓力控制器之設計。整個系統透過人工肺模擬器驗證測試,對於呼吸道壓力追蹤控制確實符合陽壓式呼吸器的規範。並初步透過電腦強大的訊號處理能力進行呼吸道壓力的分析來自動調整設定壓力,提升阻塞性的睡眠中斷患者之舒適性。

This paper presents methodologies and techniques for design and pressure control of a Obstructive Sleep Apnea (OSA) treatment system. After constructing a closed-loop DC brushless motor drive together with a blower and an airway module, we develop a pressure control system for achieving both continuous positive airway pressure (CPAP) control and bi-level positive airway pressure (BiPAP) control. A mathematical model of the overall system is established based on the input-output data and its system parameters are sequentially determined using the recursive least-squares (RLS) method. A two-degree-of-freedom controller, including a feedforward controller and a feedback proportional-integral controller, is proposed to maintain and follow the desired pressure setpoints. Through experimental results, the proposed control methods are shown useful and effective in achieving airway pressure tracking and regulation.
URI: http://hdl.handle.net/11455/6439
其他識別: U0005-1608200613072900
Appears in Collections:電機工程學系所

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