本文選題：無刷直流電機 + ADuC7026��； 參考：《哈爾濱工業(yè)大學》2017年碩士論文

【摘要】：本文以XXD型無刷直流電機作為驅(qū)動機,研究轉(zhuǎn)矩與轉(zhuǎn)速之間的關系,制定轉(zhuǎn)矩與轉(zhuǎn)速協(xié)調(diào)控制方案。首先,分析和建立無刷直流電機數(shù)學模型。針對電機控制問題,采用三段式起動方法起動電機,并且將反電動勢法和降階轉(zhuǎn)子磁鏈觀測器法結合估計轉(zhuǎn)子位置。根據(jù)充電電鉆實際工況提出無刷直流電機轉(zhuǎn)矩與轉(zhuǎn)速協(xié)調(diào)控制方案。在硬件電路方面,提出了以ADuC7026處理器為核心的無刷直流電機轉(zhuǎn)矩與轉(zhuǎn)速協(xié)調(diào)控制系統(tǒng)的設計方案。此外,分別設計了單片機最小系統(tǒng)、三相橋式電路、分流器電樞電流采樣電路、基準電壓電路、偏置電路模塊、電源電路、反電動勢檢測電路等,并且完成各個電路的搭建和測試。在軟件設計方面,基于嵌入式實時操作系統(tǒng)μC/OS-Ⅲ設計了不同優(yōu)先級的任務,分別編寫了系統(tǒng)控制程序和測試程序�？刂瞥绦虬ㄍ馔娇刂瞥绦颉⒆酝娇刂瞥绦�、恒轉(zhuǎn)矩控制程序和雙閉環(huán)轉(zhuǎn)速控制程序等;測試程序用來檢查硬件故障,獲得實驗測試結果。最后,通過MATLAB仿真證明了無刷直流電機轉(zhuǎn)矩與轉(zhuǎn)速協(xié)調(diào)控制技術的可行性。在完成軟硬件設計的基礎上,搭建實驗平臺。實驗證明,雙閉環(huán)轉(zhuǎn)速控制方法提高了系統(tǒng)的穩(wěn)定性,改善了系統(tǒng)的動態(tài)性能,并且驗證了無刷直流電機轉(zhuǎn)矩和轉(zhuǎn)速協(xié)調(diào)控制技術的正確性。
[Abstract]:In this paper, the XXD brushless DC motor is used as the driving machine to study the relationship between torque and speed, and the coordinated control scheme of torque and speed is established. Firstly, the mathematical model of brushless DC motor is analyzed and established. To solve the problem of motor control, the three-stage starting method is used to start the motor, and the back-EMF method and the reduced-order rotor flux observer method are combined to estimate the rotor position. The coordinated control scheme of torque and speed of brushless DC motor is put forward according to the actual working condition of charging electric drill. In the aspect of hardware circuit, the design scheme of the coordinated control system of torque and speed of brushless DC motor based on ADuC7026 processor is put forward. In addition, the minimum system of single-chip microcomputer, three-phase bridge circuit, armature current sampling circuit of shunt, reference voltage circuit, bias circuit module, power supply circuit, anti-EMF detection circuit and so on are designed respectively. And complete the construction and testing of each circuit. In software design, different priority tasks are designed based on embedded real-time operating system 渭 C / OS- 鈪，

本文編號：1867845