臺灣博碩士論文加值系統

本論文將設計並實現具頻率追蹤功能之超音波清洗機驅動與控制系統，並以可程式化單晶片系統(System-on-Programmable-Chip, SOPC)架構實現於FPGA開發平台上，以因應超音波驅動設備因各種因素導致工作頻率偏移之問題。透過全橋功率級轉換電路驅動超音波清洗機，並即時檢測裝設在超音波清洗機上的超音波振動子之驅動訊號，針對所檢測的回授訊號進行處理與分析，並利用控制演算法計算出所需補償的工作頻率，使超音波驅控器達到自動追頻之功能。在使用者操控介面，將設計一組顯示操控面板，由操控面板來操作及設定超音波清洗機相關功能與啟動停止，並且將超音波清洗機的相關資訊，即時顯示在繪圖型液晶顯示器上。
在系統製作完成後，將在相同的測試條件下，以鋁箔試驗法對本文所開發之超音波驅控系統，與市售超音波清洗機系統的洗淨效果進行比對。最後證明本論文所設計具追頻功能的超音波清洗機之驅控系統可以順利運作，並達成比市售清洗機更好的清洗效果。

This paper will design and implement the ultrasonic driving system with frequency tracking function for the cleaning machine, and implemented on FPGA development platform with System-on-Programmable-Chip (SOPC) architecture, in order to respond to the problem of operating frequency deviation caused by various factors in ultrasonic driving equipment. Use full-bridge power converter to drive ultrasonic cleaning machine, and detect the actual signal of the ultrasonic transducer installed on the ultrasonic cleaning machine in real time. Process and analyze the detected feedback signal, and use the control algorithm to calculate the working frequency of the required compensation, so that the ultrasonic driver can achieve automatic frequency tracking function. In the human-machine interface, will design a display control panel, it will be used to operate and set the ultrasonic cleaning machine related functions and start/stop, and the relevant information is displayed on the liquid crystal display in real time.
After the system is completed, the cleaning effect of the ultrasonic driving system designed in this paper will be compared with the commercially available ultrasonic cleaning machine system in the same test conditions. Finally, it proves that the driving system of the ultrasonic washing machine with frequency tracking function designed in this paper can operate smoothly and achieve better cleaning effect than the commercially available washing machine.

摘要......i
Abstract......ii
誌謝......iii
目錄......iv
表目錄......vii
圖目錄......viii
符號說明......xi
第一章 緒論......1
1.1 研究動機與目的......1
1.2 研究方法......1
1.3 論文架構......2
第二章 系統原理與技術......3
2.1 超音波振動子......3
2.2 驅動方法......7
2.3 追頻方法......13
2.3.1 電壓訊號檢測方法......18
2.3.2 電流訊號檢測方法......18
2.4 PID控制器......20
第三章 系統架構與設計 21
3.1 系統架構......21
3.2 驅控電路設計......23
3.2.1 全橋功率級驅動板......23
3.2.2 電流訊號檢測板......25
3.2.3 顯示操控面板......28
3.2.4 介面轉接板......30
3.3 數位電路設計......31
3.3.1 SOPC(System on a Programmable Chip)架構......31
3.3.2 相位頻率檢測模組......32
3.3.3 橋式閘極控制模組......33
3.4 人機介面設計......34
3.4.1 固定頻率模式......35
3.4.2 頻率掃描模式......36
3.4.3 頻率追蹤模式......37
3.4.4 參數設定模式......38
3.5 系統流程設計......39
第四章 系統測試與實驗......41
4.1 實驗環境......41
4.2 驅動器測試......42
4.3 鋁箔法試驗......46
第五章 結論與未來展望......50
5.1 結論......50
5.2 未來展望......50
參考文獻......51
附錄一 驅控主機實際裝配圖......54
附錄二 驅控主機實際外觀圖......55
Extended Abstract......56

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