本文關(guān)鍵詞：基于DSP的永磁同步電機控制系統(tǒng)的研究　出處：《浙江大學》2014年碩士論文　論文類型：學位論文

  更多相關(guān)文章： 變頻洗衣機 永磁同步電機 霍爾位置傳感器 DSP

【摘要】：隨著國家節(jié)能減排的要求越來越高,洗衣機作為主要的家用電器之一,對洗衣機的效率和噪聲等指標要求也越來越高。波輪洗衣機是目前國內(nèi)占有率最大的洗衣機類型,其中低效率、噪聲大的單相電容運轉(zhuǎn)感應(yīng)電機的驅(qū)動系統(tǒng)是目前應(yīng)用最廣的驅(qū)動控制方案,而智能化、高效節(jié)能、靜音的全自動變頻洗衣機才是發(fā)展的新方向。永磁同步電機具有功率密度大、效率高、轉(zhuǎn)矩脈動小等優(yōu)點,受眾多家用電器廠商的青睞,被廣泛應(yīng)用于新一代變頻洗衣機驅(qū)動系統(tǒng)中。研究永磁同步電機的低成本運行具有重大的研究意義和實用價值。 本文采用外轉(zhuǎn)子隱極永磁同步電機作為變頻波輪洗衣機的驅(qū)動電機,首先分析了永磁同步電機的特性和數(shù)學模型,采用低分辨率的開關(guān)型霍爾位置傳感器進行轉(zhuǎn)子位置檢測,提出了改進型的引入加速度計算的速度計算和位置預(yù)估方案。 針對洗衣機驅(qū)動電機常用的三種控制方法的原理進行了分析,選取高性能的簡易正弦波控制作為驅(qū)動策略,設(shè)計了簡易正弦波控制和矢量控制兩套方案。對于簡易正弦波控制,分析了起動、制動方法,設(shè)計了魯棒性好的模糊自校正PI控制器,并提出了超前角動態(tài)尋優(yōu)補償?shù)目刂扑惴?從而提高系統(tǒng)效率。并對id=0矢量控制和SVPWM的原理進行了分析。 最后,以TI的DSP芯片TMS320F28027為主控芯片,搭建了低成本的硬件控制系統(tǒng)。實現(xiàn)了電機的簡易正弦波控制和矢量控制兩種高性能正弦驅(qū)動控制方案,并完成與洗衣機上位機控制板的通信協(xié)調(diào)控制,實現(xiàn)洗衣機的洗滌、脫水、模糊稱重、電磁剎車等功能,實驗結(jié)果表明本文所設(shè)計洗衣機電機驅(qū)動系統(tǒng)運行可靠、效率高、噪聲低。
[Abstract]:With the increasing demand of energy saving and emission reduction, washing machine is one of the main household appliances. The efficiency and noise of washing machine are more and more high. The wave wheel washing machine is the largest type of washing machine in China, among which the low efficiency. The drive system of single-phase capacitive operation induction motor with high noise is the most widely used drive and control scheme at present, which is intelligent, efficient and energy saving. Mute automatic frequency conversion washing machine is the new direction of development. PMSM has many advantages such as high power density, high efficiency, low torque ripple and so on, so it is favored by many household appliance manufacturers. It is widely used in the drive system of the new generation frequency conversion washing machine. It is of great significance and practical value to study the low cost operation of permanent magnet synchronous motor (PMSM). In this paper, the external rotor hidden pole permanent magnet synchronous motor (PMSM) is used as the driving motor of the frequency conversion wave wheel washing machine. Firstly, the characteristics and mathematical model of the PMSM are analyzed. The rotor position is detected with a low resolution switch Hall position sensor, and an improved speed calculation and position estimation scheme with acceleration calculation is proposed. The principle of three common control methods for washing machine drive motor is analyzed, and the simple sine wave control with high performance is selected as the driving strategy. The simple sine wave control and vector control are designed. For the simple sine wave control, the starting and braking methods are analyzed, and the fuzzy self-tuning Pi controller with good robustness is designed. In order to improve the efficiency of the system, a control algorithm for dynamic optimization compensation of leading angle is proposed, and the principle of id=0 vector control and SVPWM is analyzed. Finally, TI's DSP chip TMS320F28027 is used as the main control chip. The hardware control system with low cost is set up. Two kinds of high performance sinusoidal drive control schemes, simple sine wave control and vector control, are realized, and the communication and coordination control with the upper machine control board of washing machine are completed. The washing machine washing, dehydration, fuzzy weighing, electromagnetic braking and other functions are realized. The experimental results show that the motor drive system designed in this paper is reliable, efficient and low noise.
【學位授予單位】：浙江大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TM341

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本文編號：1404849