永磁同步电机性能研究

发布时间：2018-06-20 01:47

本文选题：永磁同步电机 + 等价输入干扰算法　；参考：《安徽师范大学》2017年硕士论文

【摘要】：随着能源缺乏、生态恶化、环境污染等问题的日益突出,新能源产业在全球范围内得到了大力发展。电动汽车作为低碳、低能耗的新能源产业,得到了飞速的发展。永磁同步电机以其高效率、体积小、易控制等优点,被广泛应用于新能源电动汽车的动力驱动系统中。首先通过分析永磁同步电机的结构组成与工作原理,建立永磁同步电机数学模型。接着研究了电压空间矢量控制算法以及全局优化算法,分析了逆变器的工作原理以及永磁同步电机启动、制动阶段产生大电流的机理,研究了等价输入干扰算法控制器、状态反馈解耦控制器以及大电流抑制控制器。最后基于id=0矢量控制策略,搭建永磁同步电机双闭环仿真控制系统。仿真结果表明:基于等价输入干扰算法设计的控制器,能有效抑制永磁同步电机负载扰动下转速的波动、转矩的脉动;设计的状态反馈解耦控制器能够实现永磁同步电机的动态解耦;全局优化算法实现控制系统的全局最优,避免局部最小;积分分离PI控制器有效抑制了启动、制动过程产生的大电流。本文通过对永磁同步电机的研究,优化和改善电动汽车的性能,提高电动汽车的舒适度、稳定性和安全性。
[Abstract]:With the lack of energy, ecological deterioration, environmental pollution and other problems, the new energy industry has been developed worldwide. As a new energy industry with low carbon and low energy consumption, electric vehicles have been developed rapidly. The permanent magnet synchronous motor has been widely used in new energy for its advantages such as high efficiency, small size and easy control. By analyzing the structure and working principle of the permanent magnet synchronous motor, the mathematical model of the permanent magnet synchronous motor is established. Then the voltage space vector control algorithm and the global optimization algorithm are studied. The working principle of the inverter and the starting of the permanent magnet synchronous motor and the large current in the braking phase are analyzed. The mechanism is to study the equivalent input interference algorithm controller, the state feedback decoupling controller and the large current suppression controller. Finally, based on the id=0 vector control strategy, a double closed loop simulation control system for permanent magnet synchronous motor is built. The simulation results show that the controller based on the equivalent input interference algorithm can effectively suppress the negative permanent magnet synchronous motor. The fluctuation of speed and torque ripple under the load disturbance; the design of the state feedback decoupling controller can realize the dynamic decoupling of the permanent magnet synchronous motor; the global optimization algorithm realizes the global optimum of the control system, avoids the local minimum; the integral separation PI controller effectively inhibits the starting and the large current produced by the braking process. This paper passes the permanent magnet same to the permanent magnet. The study of stepping motor can optimize and improve the performance of electric vehicles, improve the comfort, stability and safety of electric vehicles.
【学位授予单位】：安徽师范大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TP273;TM341

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