臺灣博碩士論文加值系統

本論文以複雜型可程式化邏輯晶片(Complex Programmable Logic Device, CPLD)之功能適當的設計應用於壓電陶瓷馬達驅動電路上，電路的實現採用階層式、模組化的設計方式，降低其複雜度，並以電路共用的概念，降低邏輯閘數量，達到最佳化實現的目的。此晶片將可達到高度運算速度，進而提高取樣頻率，減低微處理器計算負擔 ，同時降低高次諧波失真的問題。而由於集中數位元件於一晶片之中，零件老化問題較不 嚴重，且對溫度變化也不敏感，有利於系統長期運轉下維持精密伺服運轉功能，以提昇現階段使用類比式PWM可調變電壓型之驅動器的控制性能與機能；以達到數位化驅動器的目的。

This thesis presents, a digital circuitry is designed based on the use of CPLD for the driver of a piezoelectric ceramic motor. By using the hierarchical and modular realization strategy, the designed circuits can be re-used to reduce the design complexity and the total gate counts for optimum design. This designed chip will calculate at high speed to boost the sampling frequency and reduce the burden of DSP.At the same time, the high speed switching operation will decrease the problem of high harmonic distortion. Meanwhile , the function of this chip will maintain the accurate performance within long time operation to against the temperature variation. Via appropriate design, the driver is able to enhance the PWM control functions.

目錄
摘要…………………………………………………………………….Ⅰ
英文摘要…………………………. ……………………………………Ⅱ
誌謝……………………………………………………………………..Ⅲ
目錄…………………………. …………………………………………Ⅳ
圖目錄…………………………. ………………………….…………..Ⅵ
表目錄…………………………. ……………………………………Ⅷ


第一章 緒論……………………………………….………..…….….1
1.1 前言與研究動機………………………………….…..……….1
1.2 研究目的與本文架構………………….…………….………..3

第二章 壓電陶瓷馬達等效電分析.…………………………………….4
2.1 壓電方程式………..……………………………………………4
2.2 交流電壓下元作之機電轉換..…………………………………8
2.3 壓電陶瓷馬達等效電路…….…………….…………………..11

第三章 驅動器架構之建立……………………………...………….13
3.1 類比電路驅動之架構………………………………………..13
3.2 驅動器之電力電路…………………………………………..15
3.2.1 直流-直流轉換器之控制……………………….…….15
3.2.2 降壓式轉換器…………………………………….……16
3.2.3 輸出電壓漣波…………………………………………24
3.3 換流器電路之設計…………………………………….……..26
3.3.1 串聯共振換流器之工作原理分析……………….…….27
3.3.2 交流共振電路之分析…………………………….……29
3.4 橋式換流器及LC共振電路………………………….……..32

第四章 壓電陶瓷馬達數位驅動電路之設計……………..…………..35
4.1 壓電陶瓷馬達驅動之設計……………………….….……….35
4.2 數位/類比電路之比較與設計……………………..………….38
4.2.1 數位積體電路設計與CPLD介紹……………………..38
4.2.2 可程式邏輯元件與ALTERA FLEX 10K介紹………..39

4.3 數位驅動電路之規劃………………………………….……...40
4.3.1 電壓調變控制法………………………………………..41
4.3.2 脈寬調變產生器……………………..………………...42
4.3.3 分相電路………………………………………………..44
4.3.4 延遲電路………………………………………………..45
4.4 電路設計之流程……………………………………….……...46
4.5 功率元件觸發電路…………………………………….……...47
4.6 換流器之電路………………………………………….……...48

第五章 實驗結果及驅動器控制實例…………………………….…...51
5.1 實驗硬體之架構………………………………………….…...51
5.2 電路實現………………………………………………………53
5.3 驅動器之輸出電壓控制結果分析……………………………55
5.4 PID控制器之設計……………………………………………57
5.5 實驗結果與討論………………………………………………58

第六章 結論與未來展望………………………………………………60
6.1 結論………………………………………….….………….60
6.2 未來發展與規劃………………………………………………61

參考文獻………………………………………………………………..62

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