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研究生:楊斌襁
研究生(外文):Bin-Chiang Yang
論文名稱:多用途數位位置轉換器之設計與實作
論文名稱(外文):A Multipurpose Digital Position Converter Using CPLD
指導教授:陳建祥
指導教授(外文):Jian-Shiang Chen
學位類別:碩士
校院名稱:國立清華大學
系所名稱:動力機械工程學系
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:2002
畢業學年度:90
語文別:英文
論文頁數:61
中文關鍵詞:位置轉換器分解式位置感測器光學尺霍爾效應位置感測器解角數位轉換器
外文關鍵詞:Position ConverterResolverInductosynHall-effect Position SensorSine/Cosine Opitcal EncoderResolver-to-Digital Converter
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本文以可程式邏輯元件(Complex Programmable Logic Device, CPLD)來設計與實作一多用途數位位置轉換器,僅需少許類比電路,此數位化的解碼電路即可用來處理分解式位置感測器、光學尺或霍爾效應感測器的位置訊號,並且可以很方便地與其它數位系統整合,廣泛地應用於精密機械之定位、CNC工具機與電腦週邊如掃描器、印表機、傳真機。
於實驗驗證部分,使用這三種不同的位置感測器來實際量測機械裝置的位移,藉以驗證此多用途數位位置轉換器的可行性及可達到的性能,經實驗結果證明,此數位電路可成功的應用在這三種不同的位置感測器,並大幅提高原位置感測器的解析度。

In this thesis, the realization and verification of the multipurpose digital position converter using CPLD is presented. It represents an integrated solution in measuring the position by means of resolvers, sine/cosine optical encoders and Hall-effect sensors. The superiority of this converter is that it produces both position and velocity in digital form and the digital circuits can be easily applied to many modern applications. The external hardware required to interface between the sensors and the CPLD is limited to two A/D converters and some analog circuits. The feasibility and effectiveness of these position sensors in measuring the mechanical displacement data using the proposed digital position converter is further validated by experiments.

摘 要 I
ABSTRACT II
誌 謝 辭 III
TABLE OF CONTENTS IV
LIST OF FIGURES VI
CHAPTER 1 INTRODUCTION 1
1.1 BACKGROUND 1
1.2 LITERATURE SURVEY 2
1.3 MOTIVATIONS 3
1.4 ORGANIZATIONS OF THIS THESIS 4
CHAPTER 2 DIGITAL POSITION CONVERTERS 5
2.1 AN OVERVIEW OF POSITION SENSORS 5
2.1.1 PRINCIPLES OF RESOLVER SENSORS 5
2.1.2 PRINCIPLES OF SINE/COSINE ENCODERS SENSORS 7
2.1.3 PRINCIPLES OF HALL-EFFECT POSITION SENSORS 9
2.2 PRINCIPLES OF POSITION CONVERTERS 10
2.2.1 THE RESOLVER-TO-DIGITAL CONVERTERS 10
2.2.2 THE MULTIPURPOSE DIGITAL POSITION CONVERTER 17
CHAPTER 3 REALIZATION OF A MULTIPURPOSE DIGITAL POSITION CONVERTER 26
3.1 THE TEST BENCH 26
3.2 THE ARCHITECTURE OF A MULTIPURPOSE DIGITAL POSITION CONVERTER 27
3.3 IMPLEMENTATION OF ANALOG CIRCUITS 29
3.4 THE CPLD MODULES 33
CHAPTER 4 EXPERIMENTAL RESULTS 45
4.1 VERIFICATION OF THE DIGITAL POSITION CONVERTER 45
4.1.1 VERIFICATION OF THE CONVERSION ALGORITHM 45
4.1.2 VERIFICATION OF THE COMPENSATION TECHNIQUES 48
4.2 VERIFICATION RESULTS IN MECHANICAL MEASUREMENTS 51
4.3 DISCUSSIONS OF RESULTS 56
CHAPTER 5 CONCLUSIONS AND RECOMMENDATIONS 58
5.1 CONCLUSIONS 58
5.2 RECOMMENDATIONS 59
REFERENCE 60

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[2] M. Taniguchi, T. Inoue, “Encoder Interpolation Circuit which Corrects an Interpolation Angle between a Received Sine-wave Encoder Signal and a Cosine-wave Encoder Signal,” U.S. Patent No. US6,188,341, Feb. 13, 2001.
[3] G. Boyes, Ed., Synchro and Resolver Conversion, Analog Devices Inc., 1980.
[4] Infinite Resolution Optical Encoders, Hathaway Motion Control Inc, 1996.
[5] Sine/Cosine Encoder Interface Device, ILC Data Device Corporation, 2001.
[6] G. V. Kondraske, “A Microprocessor-Based System for Adaptable Calibration and Linearization of Hall-Effect Position Sensors,” IEEE Transactions on Instrumentation and Measurement, pp.338-343, Vol. IM-35, No. 3, Sep. 1986.
[7] Synchro Conversion Handbook, ILC Data Device Corporation, 1994.
[8] B. A. Murray, W. D. Li, “Digital tracking R/D converter with hardware error calculation using TMS320C14,” Control in Power Electronic IEE Conference Publication, pp. 472-477, v 4. n 377. 1993.
[9] G. S. Sheu, Linear Resolver-to-Digital Converter Using CPLD, Master Thesis, Department of Power Mechanical Engineering, Nation Tsing Hua University, Taiwan (ROC), 2000.
[10] C. Attaianese, G. Tomasso, D. De Bonis, “A Low Cost Resolver-to-Digital Converter,” IEEE International, pp. 917-921, 2001.
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[12] John Syivan. “Resolver-to-Digital IC Makes Move to Monolithic,” Electronic Design, pp. 84-91, Feb 5, 1987.
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[14] D. C. Hanselman, “Resolver Signal Requirements for High Accuracy Resolver-to-Digital Conversion,” IEEE Transactions on Industrial Electronics, pp. 556-561, v.37, n.6, Dec. 1990.
[15] D. C. Hanseman, “Techniques for Improving Resolver-to-Digital Conversion Accuracy, “ IEEE Transactions on Industrial Electronics, pp. 501-504, v.38, n.6, Dec. 1991.
[16] Mark Thomas, “Dynamics Characteristics of Tracking Converters”, Powerconversion & Intelligent Motion. pp. 40-42. v.14, n.8, Aug. 1988.
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[18] R. D. Chang, An Integrated Servo System Design for A Linear Variable Reluctance Motor, Master Thesis, Department of Power Mechanical Engineering, Nation Tsing Hua University, Taiwan (ROC), 2001.

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