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研究生:楊智元
研究生(外文):Chih-Yuan Yang
論文名稱:全電式射出成型機之保壓改善
論文名稱(外文):Improvement on Holding Pressure of All-Electric Injection Molding Machine
指導教授:董必正董必正引用關係
指導教授(外文):Pi-Cheng Tung
學位類別:碩士
校院名稱:國立中央大學
系所名稱:機械工程研究所
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:2004
畢業學年度:92
語文別:英文
論文頁數:63
中文關鍵詞:射出成型模糊壓力控制
外文關鍵詞:controlpressureInjection moldingfuzzy
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  • 點閱點閱:178
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現在的社會中,只要提到跟塑膠成品有相關的機器,想必大家第一個都會想到射出成型機,目前最快、最方便也是最普遍的塑膠原料處理機,從工業電子產品到民生必需品如杯子和吊飾等,都是經由射出成型機製造出,而產品的品質則和控制的精準度息息相關。
就目前工業技術而言,射出成型機的控制已相當成熟,無論是油壓式或是全電式,都在一定的水準之上,而就目前而言,最大的瓶頸仍然是保壓的部分,由於壓力曲線深深影響著產品的品質好壞,所以壓力的追蹤仍是現在許多人研究的課題,而本篇論文即運用模糊控制與PID控制來做比較,並模擬出兩種控制法則下的射出段保壓表現。
If we talk about the plastic, most people will have an impression on the injection molding machine in the modern society. It is the fastest, most convenient and popular machine to manufacture the plastic products. From the industrial use to people’s daily use, most plastic products are manufactured by the injection molding machine. The quality of the product has relations with the accuracy of the controller.
The injection molding technology has already developed for so many years. Whether the all-electric or hydraulic machinery, the performance is up to the standard. Nowadays the major problem about the injection molding machine is tracking the holding pressure profile. The holding pressure profile relates to the quality of the product a lot. In this paper, I use the fuzzy and the PID control law are used and compared to track the pressure profile.
ABSTRACT XI
TABLE OF CONTENTS XII
LIST OF FIGURE XIII
LIST OF TABLES XV
LIST OF TABLES XV
CHAPTER 1 INTRODUCTION 1
1.1 BACKGROUND AND MOTIVATION 1
1.2 LITERATURE REVIEW 2
1.3 THESIS ARRANGEMENT 2
CHAPTER 2 GENERAL DESCRIPTION OF INJECTION MOLDING MACHINE 4
2.1 INTRODUCTION OF INJECTION MOLDING MACHINE 4
2.2 TYPES OF INJECTION MOLDING MACHINE 4
2.3 INTRODUCTION OF INJECTION MOLDING COMPONENTS AND PROCESS 8
2.3.1 Description of Injection Molding Components 8
2.3.2 Introduction of Injection Molding Process 9
CHAPTER 3 CONTROLLER DESIGN 15
3.1 INTRODUCTION OF PID CONTROL 15
3.2 INTRODUCTION OF FUZZY CONTROL 16
3.3 PID CONTROLLER DESIGN 20
3.4 FUZZY CONTROLLER DESIGN 20
CHAPTER 4 RESULTS AND INSTRUMENTS OF SIMULATION 26
4.1 SIMULATION INSTRUMENT 26
4.2 SIMULATION RESULTS ON MATLAB 27
4.3 DISCUSSION 44
CHAPTER 5 CONCLUSIONS AND FUTURE WORK 46
5.1 CONCLUSIONS 46
5.2 FUTURE WORK 47
REFERENCE 48
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