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中文摘要：
为了实现永磁同步电机的速度控制，基于数字信号处理器TMS320F2812，设计了一套永磁同步电机调速系统。在由同步旋转坐标系下，建立了永磁同步电机的数学模型，给出了永磁同步电机调速系统的结构，并对永磁同步电机速度控制系统的硬件和软件进行设计，通过以智能功率模块为核心的功率驱动电路实现对电机的实时控制，同时电流检测电路和正交编码电路为系统提供电流及速度反馈，并选取SM060R20830MN型号永磁同步电机作为被控对象进行仿真实验。实验结果表明，电机转速越快，系统的调节时间越短，速度跟随越精确，说明电机转速越高，测得的电机转速越准确。该系统极大的简化了控制系统的硬件设计，具有良好动态性能及稳态性能。
英文摘要：
In order to achieve permanent magnet synchronous motor （PMSM） speed servo system, the dig- ital signal processor TMS320F2812 is adopted to achieve the control of the PMSM speed servo system. The PMSM mathematical model under dq synchronous rotating axis is built. The structure of PMSM speed servo system with the hardware and software is designed. The TMS320F2812 possessing a powerful computing capability and the power driver module based on the intelligent power module （IPM） are used to achieve the control of motor. At the same time, the current and speed feedback are provided by the current detection circuit and orthogonal coding circuit for the system. SM060R20B30MN PMSM is selected as con- trolled object to conduct simulation experiment. The experimental results show that the faster motor speed is, the shorter adjusting time of the system is and the more precise of speed tracking is. This means that the larger speed of motor is, the more precise the motor speed is. The system greatly simplifies the hard- ware design of control system and it has good dynamic and steady state performance.
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