以單晶片DSPIC30F4011為核心之直流無刷馬達無衝擊轉換速度控制之研究

The Bumpless Transfer Speed Control of Brushless DC Motor Based on Single-Chip DSPIC30F4011

方永福(Yung-Fu Fang)

指導教授 ： 謝聰烈

崑山科技大學/工程學院/電機工程研究所/碩士(2007年)

摘要

本論文以單晶片DSPIC30F4011為核心建構一套直流無刷馬達無衝擊轉換速度之控制系統。在工業應用上，直流無刷馬達於低速運轉中所需的轉矩較高速運轉時大，因此，工程師常常會以雙系統去設計高速運轉與低速運轉。但在低速與高速的切換之間，系統卻常常因發生衝擊而使系統響應變差。為了使馬達在負載干擾情形下與系統因切換而造成衝擊時能獲得較佳的速度響應與負載干擾消除能力，本論文提出積分比例控制法則與無衝擊轉換技術以進行直流無刷馬達的速度控制，藉此能降低系統響應的超越量及減少上升時間，使驅動系統能獲得更佳的暫態響應。此外，本論文再搭配Visual Basic(VB)軟體建構擬人化的人機介面，使用者可透過監控視窗監控馬達的運轉狀況。本論文以一部實驗室直流無刷馬達進行測試，以驗證所提出方法的正確性及可行性。

關鍵字

無衝擊轉換速度控制 ； 單晶片 ； 直流無刷馬達

並列摘要

This thesis proposes a bumpless transfer technique for brushless DC motor based on single-chip DSPIC30F4011. In industry application, the torque of brushless DC motor needed for low speed is higher than the torque needed for high speed. Therefore, the engineers often design both high-speed and low-speed operation with one pair of systems. But during switching between low and high speed, the brunt taken place frequently in systems often result in the decrease of performance in system response. To obtain better speed response and good load-rejection capability under suffering from load disturbance and brunt caused by switching, this thesis proposes integral-proportional (IP) control method and bumpless transfer technique to control the speed of brushless DC motor that can decrease the system overshot and rise time, and the transient response of the drive system can then be improved. In addition, this thesis also employs Visual Basic (VB) software to construct the man-machine interface. Through the monitor windows, the user can monitor the operation of motor. To verify the validity and feasibility of the proposed method, tests are made by an experimental brushless DC motor.

並列關鍵字

Brushless DC motor ； Bumpless transfer speed control ； Single-chip

參考文獻

[8]洪振傑，“切換式磁阻馬達驅動系統之強健速度控制設計與實現”，崑山科技大學電機工程系，碩士論文，92年6月。

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