毕业设计--基于DSP的电机调速驱动电路的设计

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1、基于基于 DSPDSP 的电机调速驱动电路的设计的电机调速驱动电路的设计 1 1 摘要摘要 介绍了一种基于感应电机数学模型,提出了一种基于 TMS320F240 的全数字化矢 量控制 SVPWM 交流调速系统,在对系统的总体设计方案作了分析的基础上,重点介绍 了电流采样、速度检测、驱动保护以及控制系统软件设计.结果表明,该系统硬件结 构简单、实时性强. 基于DSP交流电动机VVVF控制系统设计方案,采用SVPWM控制策略,具有过调制 功能,当母线电压波动时,能使 PWM 波形输出稳定,实验波形显示该系统具有较好的 性能 关键词： 数字信号处理器;空间矢量 PWM;矢量控制系统;智能功率模块;

2、变频调 速; 交流异步电机 AbstractAbstract Because of the electrical machinery mathematics model of reaction , control SVPWM and exchange the speed of adjusting systematically after putting forward a kind of totally digitilized vector based on TMS320F240, on the basis of the thing that the design plan of totali

3、ty to the system has done analysis , have recommended especially the electric current samples , the speed measure , drive protection and control system software design. The result indicates , hist system hardware is of simple structure, real-time character is strong. Exchange the design plan of the

4、motor VVVF control system because of DSP, adopt SVPWM control strategy, have functions of modulating , when the voltage of bus bar fluctuates , can make PWM wave form export steadily , the experiment wave form shows that should have better performance systematically Key WordKey Word:Digital signal processor; Space vector PWM; Control system of the vector; Intellectual power module; Frequency conversion adjusts the speed; Exchange the asynchronous motor 基于基于 DSPDSP 的电机调速驱动电路的设计的电机调速驱动电路的设计