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研究生: 李承恩
Lee, Cheng-En
論文名稱: 雷射粉床熔融之毫米等級異常分析方法
Anomaly Analysis Method for Laser Powder Bed Fusion with Millimeter Scale
指導教授: 鄭芳田
Cheng, Fan-Tien
共同指導教授: 楊浩青
Yang, Haw-Ching
學位類別: 碩士
Master
系所名稱: 電機資訊學院 - 製造資訊與系統研究所
Institute of Manufacturing Information and Systems
論文出版年: 2023
畢業學年度: 111
語文別: 英文
論文頁數: 38
中文關鍵詞: 孔隙定位熔池監控掃描解譯
外文關鍵詞: Pore Positioning, Melt Pool Monitoring, Scan Interpretation
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  • 摘要 I ABSTRACT II ACKNOWLEDGEMENTS III TABLE OF CONTENTS IV LIST OF TABLES VI LIST OF FIGURES VII CHAPTER 1 INTRODUCTION 1 1.1 Background 1 1.2 Motivation and Purpose 3 1.3 Organization 7 CHAPTER 2 LITERATURE REVIEW 8 2.1 Reducing errors in the center position of the melt-pool 8 2.2 Improve the resolution of process data 9 2.3 Predicted pore locations 10 CHAPTER 3 RESEARCH METHODS 13 3.1 Enhancing the accuracy of melt-pool center positioning 13 3.1.1 Method 1: Melt-pool center positioning using linear regression 13 3.1.2 Method 2: Melt-pool center positioning using interpreted scanning position 15 3.1.3 Method 3: Melt-pool center positioning using Calibration model 17 3.1.4 Comparison of Three Methods 18 3.2 Improve analysis resolution 19 3.3 Performing differential analysis using melt-pool image features and homogeneity 21 CHAPTER 4 CASE STUDY 25 4.1 AM Machine and Equipment 25 4.2 Experimental Design 27 4.3 Case 1 : Enhancing the accuracy of melt-pool center positioning 28 4.4 Case 2 : Improve analysis resolution 29 4.5 Ultrasonic detection 29 4.6 Case 3: Performing differential analysis using melt-pool image features and homogeneity 30 CHAPTER 5 CONCLUSIONS AND FUTURE WORK 33 5.1 Conclusions 33 5.2 Future Work 34 REFERENCE 35

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