永磁同步电机空间矢量控制方法设计实现

针对永磁同步电机结构复杂、模型非线性从而导致难以控制的问题,通过推导建立了其基于矢量控制下的简化的数学模型,仅通过控制电机交轴电流就可对其进行控制.在此基础上,对交轴电流进行调节,将其转换为基于两相静止坐标系下的电压矢量,设计了以两相静止坐标系下的参考电压作为输入变量的空间矢量控制方法,借助于数字信号处理器(DSP)的强大功能对系统进行实现,给出了所设计的硬件结构图及软件流程图,并进行了仿真验证,且效果良好,证明了所建模型的正确性和系统的可行性.

Design and Implement of Space Vector Control of the Permanent Magnet Synchronous Motor

To the problem of complex configuration of the permanent magnet synchronous motor(PMSM)with model nonlinearity and control difficulty,a simple mathematic model of the PMSM based on vector control is deduced,which makes the motor control implement by the across-axes current control. Based on that,the across-axes current is adjusted,and then transformed to voltage vector on two-phase stillness coordinate. A space vector control method is designed with the input variable of reference voltage on two-phase still...