氣膠微粒靜電懸浮控制系統之研發

Research and development of aerosol particle electrostatic suspension control system

陳贊宇(Tsan Yu Chen)

指導教授 ： 吳昌暉

元智大學/工程學院/機械工程學系/碩士(2008年)

https://doi.org/10.6838/YZU.2008.00206

摘要

氣膠微粒為懸浮於氣體中的固體或液體微粒，而電動力懸浮設備(Electrodynamic balance, EDB)是用來擷取單一帶電氣膠微粒之特性資料以作為氣膠科學研究時的重要設備。在本研究中分析了EDB的動態特性，並利用Labview圖控軟體建立數位PID控制器，再以影像回授的方式加入原始EDB設備中，使其具有單一軸向靜電懸浮控制的能力，接著再依據推導出的EDB轉移函數設計出能滿足在要求的微粒粒徑及暫態行為的數位PID控制器，最後經由實驗測試，驗證了設計的控制器均能滿足要求的控制性能，提高本EDB系統在氣膠科學研究上的應用價值。

關鍵字

數位控制器 ； 電動力平衡 ； 影像回授

並列摘要

The aerosol particle is the solid or liquid particle suspend in the gas, and the electrodynamic balance (EDB) system is the important equipment which is adopted to capture the characteristic data of single charged particles for the scientific study of aerosol. This research analyzes the dynamic characteristic of the EDB system and introduces Labview Graphical Language software to set up the digital PID controller, joining the primitive EDB system with the image feedback for making the EDB system with the single-axial electrostatic suspension ability, and utilizing the inferred transfer function of EDB system to design the digital PID controller, which can meet the requirement of the transient response in a specific particle diameter. After validation by the scientific experiment, this controller is proven that its performance can meet the requirement of the transient response in a specific particle diameter and also increases the application value of the EDB system.

並列關鍵字

digit controller ； EDB ； image feedback

參考文獻

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