本文選題：永磁同步電動機 + 優(yōu)化設計�。� 參考：《北方工業(yè)大學》2017年碩士論文

【摘要】：永磁同步電動機因為其高效節(jié)能、結構和尺寸靈活多樣等突出優(yōu)點,在航空航天以及工農業(yè)生產(chǎn)中有著廣泛應用。積極開展對永磁同步電動機優(yōu)化設計技術的研究,開發(fā)更加高效和適應于多場合的永磁同步電動機對緩解全球能源問題,節(jié)約資源、保護環(huán)境以及占有電機市場提高國際競爭力具有重要意義。異步起動永磁同步電動機是具有自起動能力的永磁同步電動機,兼具有感應電動機異步起動的能力和永磁同步電動機同步運行能力,該電機轉子中同時存在起動籠和永磁體,因此轉子的設計空間比較緊張,電機的結構設計更加復雜。為解決電機設計中磁路計算復雜和查表工作繁瑣、迭代處理耗時太長以及計算修正參數(shù)過多而導致精確性較差等問題,本文首先利用C++語言對電機的磁路法設計過程進行編程,采用場路結合法,有效提高了電機設計的效率和準確性。電機優(yōu)化設計屬于工程上有約束多變量非線性規(guī)劃問題,遺傳算法作為一種全局優(yōu)化算法因為其簡單高效和全局搜索的特點而廣泛應用于電機優(yōu)化設計中。本文在深入研究基本遺傳算法尋優(yōu)原理的基礎上提出了改進型自適應遺傳算法,提高了收斂速度同時避免了局部最優(yōu)的問題;然后結合異步起動永磁同步電機的實際設計特點建立優(yōu)化設計數(shù)學模型,將基本電磁設計程序與優(yōu)化設計算法相連接,實現(xiàn)兩種算法在電機優(yōu)化設計中的應用,通過對優(yōu)化前后設計方案的有限元仿真分析,驗證了優(yōu)化算法的有效性。最后,本文結合以上電機優(yōu)化設計程序基于Microsoft Visual Studio 2010平臺開發(fā)設計了一款異步起動永磁同步電機的優(yōu)化設計軟件,該軟件能夠實現(xiàn)電機的基本電磁計算、優(yōu)化設計、槽型和工作特性曲線繪制以及數(shù)據(jù)保存等功能,軟件界面友好、操作簡便,能夠快速實現(xiàn)對異步起動永磁同步電動機的優(yōu)化設計,在提高設計電機性能的同時縮短了研發(fā)周期,在電機設計領域具有較好的實用價值。
[Abstract]:Permanent magnet synchronous motor (PMSM) has been widely used in aerospace industry and agriculture because of its advantages such as high efficiency and energy saving flexible structure and various dimensions. Actively carrying out the research on the optimization design technology of permanent magnet synchronous motor and developing more efficient permanent magnet synchronous motor suitable for many occasions to alleviate the global energy problem and save resources, It is of great significance to protect the environment and occupy the motor market to improve the international competitiveness. Asynchronous starting permanent magnet synchronous motor (PMSM) is a permanent magnet synchronous motor (PMSM) with self-starting capability. It has the capability of induction motor's asynchronous starting and permanent magnet's synchronous operation. There are both starting cage and permanent magnet in the rotor of this motor. Therefore, the rotor design space is relatively tight, the structure of the motor design is more complex. In order to solve the problems such as complicated calculation of magnetic circuit and complicated table searching in motor design, too long iterative processing time and too much calculation and correction parameters, the accuracy is poor, and so on. In this paper, the magnetic circuit design process of motor is programmed by C language, and the efficiency and accuracy of motor design are improved effectively by using field circuit method. The optimal design of motor is a constrained multivariable nonlinear programming problem in engineering. As a global optimization algorithm, genetic algorithm (GA) is widely used in motor optimization design because of its simple, high efficiency and global search characteristics. In this paper, an improved adaptive genetic algorithm (AGA) is proposed based on the basic genetic algorithm (GA) optimization principle, which improves the convergence speed and avoids the problem of local optimization. Then combined with the practical design characteristics of asynchronous starting permanent magnet synchronous motor (PMSM), the mathematical model of optimal design is established, and the basic electromagnetic design program is connected with the optimal design algorithm to realize the application of the two algorithms in the optimal design of the motor. The effectiveness of the optimization algorithm is verified by the finite element simulation analysis of the design scheme before and after optimization. Finally, based on the Microsoft Visual Studio 2010 platform, an optimal design software for asynchronous starting permanent magnet synchronous motor (PMSM) is developed, which can realize the basic electromagnetic calculation and optimal design of the motor. With the functions of drawing slot and working characteristic curve and data saving, the software interface is friendly, the operation is simple, the optimum design of asynchronous starting permanent magnet synchronous motor can be realized quickly, and the performance of the design motor is improved and the research and development cycle is shortened. It has good practical value in the field of motor design.
【學位授予單位】：北方工業(yè)大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TM351

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