基于改进禁忌搜索算法的两相电机设计及变频电源的研制
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摘要
本文研究的是一种全局智能优化算法—禁忌搜索优化算法,并用于两相永磁同步电动机,同时还设计了一台性能优良、可靠的两相变频电源,在此基础上进行了实验。此外还对电机的动态性能进行了仿真。本课题是来源于德国埃斯林根工业大学的项目,同时又是辽宁省教委资助项目。研究内容主要包括以下三部分:
     首先:重点研究了适于解决工程实际优化问题的全局智能禁忌搜索算法及其在两相永磁同步电动机的应用。对算法的收敛性和收敛速度的参数进行了研究,并对算法进行了改进,保证了算法的有效可行性,并用实验模型进行了验证。然后将模糊优化与禁忌搜索算法相结合,建立了综合满意度模糊隶属度函数,将模糊优化应用于两相永磁同步电动机。
     其次:设计了一台性能优良、可靠的变频电源。运用了SPWM脉宽调制原理,合理地设计了电路图,并且对波形进行了有效的存储分析,确保了输出波形的精确性和实用性,提出了保证变频电源的有效运行的合理、实用的实施措施。绘制了其电路图,定制出了电路板,并调试了此电路板,实验证明此变频电源性能良好,运行稳定可靠,对提高电动机的运行性能和生产效率起到较好的作用。
     最后:目前计算机数字仿真技术已成为研究永磁同步电动机动态性能的有效方法,因此本文还分析了两相永磁同步电动机的运行原理,建立了两相永磁同步电动机的数学模型,对电机的动态性能进行了仿真。
In this thesis a modern global algorithm, Tabu algorithm, is presented in this thesis. It is an intelligent optimization and extends the local optimization. A Two-Phase permanent magnet synchronous motor is optimized by improved Tabu algorithm. A Two-Phase inverter is researched and manufactured. Then some experiments is done based on this inverter. The performance of the Two-Phase permanent magnet synchronous motor is simulated. It is an subject performed by Esslingen University of Technology in Germany and is supported by the Education Department of Liaoning province. Three parts are included.
    First of all, Tabu algorithm is studied, and then it is improved. In traditional motor optimization variables and object function are certain but sometime they are uncertain and fuzzy. Due to the complication of motor parameters fuzzy optimization is implemented. The combination of Tabu algorithm and fuzzy optimization is successfully applied to the motor optimization and the availability is proved by the optimized result.
    Secondly, a new special inverter that is reliable and well performance is designed to power the motor. SPWM theory is applied and the circuit is well designed. The sin wave is stored in EPROM, which is contributed to good performance of the power. The circuit is debugged well. Its good and reliable performance is supported by experiments.
    Finally, Simulation technology well contributes to designing and optimizing the performance of permanent magnet motor. The operation theory of the motor is well studied and its mathematic model is established. The capability of the motor is validated by simulation technology in this thesis.
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