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研究生:許東成
研究生(外文):Tung-Cheng,Hsu
論文名稱:氣壓致動器之新型流量控制閥設計與定位控制系統之研製
論文名稱(外文):Design and Implementation of a Novel Flow Control Valve and Position Control Systems for Pneumatic Actuator
指導教授:蔡耀文
指導教授(外文):Yao-Wen Tsai
學位類別:碩士
校院名稱:大葉大學
系所名稱:機械工程研究所碩士在職專班
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2006
畢業學年度:94
語文別:英文
論文頁數:70
中文關鍵詞:氣壓致動器流量控制閥比例積分控制器可變結構控制器
外文關鍵詞:Pneumatic actuatorFlow control valveProportional integral controllerVariable structure controller
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許多工廠之自動化設備中,當其需要氣壓系統作位置控制時,需要精密的流量控制閥等零組件來配合定位控制器;一般實際應用上都使用價格很高的進口定位控制器(例如,德國FASTO流量控制閥),使得氣壓系統之應用大大受限。有鑑於此,本文致力於新型流量控制閥之開發設計與其定位控制系統之研究;經實驗證明已成功開發完成一種低價的精密氣壓定位控制之實務方法,其位置控制的精密度可達0.2mm,而且只使用市面上極易取得的控制元件,本文之成果很有實際應用價值。
首先,本文設計一個可調整流量大小的新型流量控制閥,這個新型流量控制閥已經同時獲得台灣與中國大陸新型流量控制閥之專利(台灣專利:流量控制閥之結構,專利號碼M280442;中國大陸新型專利已通過,發證中)。另外,一種液氣壓缸定位控制結構之設計也已完成,並且也獲得台灣新型定位控制結構之專利(伸縮桿之定位控制結構:專利號碼M281096)。
機械製造精度的需求日益精細,液氣壓控制的技術越趨複雜,所以必須藉由電氣方式做一複雜控制。在控制系統上,我們使用比例積分控制理論和可變結構系統的控制理論,配合DSP為主體的系統控制單元,實現精確的空壓致動器的定位控制器。不但可以得到精確的位置控制,而且元件取得容易,價格低廉,降低製造成本,提升企業市場競爭力,這也是本文研究的主要目的。
Operating automatic machine, precise flow control valve or other components are called for to operate with positioning controller while pneumatic system controls position. For practical purposes, however, uses of pneumatic system are limited because of expensive imported positioning controller, such as German FESTO flow control valve. Therefore, this research aims at design and development of new flow control valve and its positioning control system. Through experiment, a less expensive and accessible practice of precise pneumatic positioning control has succeeded in controlling position by precision of 0.2 mm, which makes the research valuable in practical propose.
First of all, the research designs a new, adjustable flow control valve, which has patented in Taiwan and China. (Taiwan patent NO. M280442. China patent is approved and issuing certification). Also, another design for hydraulic & pneumatic positioning control structure has been done and gotten Taiwan patent of new positioning control instruction (positioning control structure, patent NO. M281096). By complex electrification control, machine manufacturing can be more precise; hydraulic & pneumatic control technology can be more complicated.
To practice precise pneumatic actuator and positioning controller, the research takes proportional integral controller and variable structure controller with DSP control units system; it can precisely control position. Moreover, the easy-to-get, low-priced units could make enterprise more competitive by reducing manufacturing cost, which is one of the main ideas of this research.
COVER
AUTHORIZATION LETTERS……………………………………………….………iii
ABSTRACT (CHINESE)……………………………………………………….…….iv
ABSTRACT (ENGLISH)…………………………………….…………………….….v
ACKNOWLEDGMENT……………………………………….……………………..vi
TABLE OF CONTENTS.…………………….………………...……...…...……….viii
LIST OF FIGURES…………………………………………….………….…………. x
ABBREVIATIONS AND SYMBOLS……………………………………...….……..xi

CHAPTER 1
INTRODUTION
1.1 Motivation……………………………………………………….………………1
1.2 Previous Researches…………………………………………………….………3
1.3 Organization of this Thesis……………………………………………………...4
CHAPTER 2
DESIGN OFA NOVEL FLOW CONTROL VALVE AND THE MOTION LOCALIZATION STRUCTURE FOR HYDRAULIC AND PNEUMATIC
2.1 Improving Type Flow Control Valve………………………………………...….7
2.2 The Motion Localization Structure……………………………………………...8
2.3 Importance To Use On Industry.………………………………………………...9
CHAPTER 3
THE SYSTEMATIC STRUCTURE OF PNEUMATIC
3.1 Research Approach and Experimental Setup…………………………………..11
3.2 The Experimental Equipment………………………………………………….15
3.3 Mathematics Mode of The Pneumatic System………………………………...20
3.4 The Air Pressure Position Control Research Way……………………………..28
CHAPTER 4
USING PI CONTROL THEORY AND THE SLIDING MODE CONTROL THEORY TO DESIGN A POSITION CONTROLLER FOR PNEUMATIC ACTUATOR
4.1 PI Controller………………………...…………………..…………………..…30
4.2 Siding Mode Control System Theory...…………………...…………………...31
4.3 Sliding Mode System………………………………………………….……….39
4.4 The sliding mode controller of pneumatic……………….………...….……….41
CHAPTER 5
THE COMPUTER SIMULATION EXPERIMENTAL AND RESULT
5.1 The experimental system description………………...…..……………………44
5.2 The experiment of the A/D circuit………………………………………...…...45
5.3 The position control of the PI control system………………………..…….…..49
5.4 The position control of sliding mode control system………………………….56
CHAPTER 6
CONCLUSION…………………………………………………………………...…..57
APPENDIXES………………………………………………………………...….…..63
REFERENCE…………………………………………………………...…...….……66
AUTHOR INFORMATION……………………………………………………….…67
PATENT LIST...……..………………………………………………………………..70
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