基于DSP的规则采样法SPWM逆变器研究  

Research on SPWM Inverter of the Rule Sampling Method Based on DSP

作　　者：吴先阳 鲍远慧[1] 

机构地区：[1]合肥工业大学电气与自动化工程学院,安徽合肥230009

出　　处：《测控技术》2015年第2期151-153,共3页Measurement & Control Technology

摘　　要：首先论述了采用规则采样法实现SPWM波形的原理,然后重点介绍了基于TI公司的数字信号处理器TMS320F2812来实现具体算法的步骤,详细分析了TMS320F2812的事件管理器的寄存器配置情况以及具体的软件设计流程。其次,分析了在驱动电路和主电路设计时应该注意的问题,强调了电位隔离和悬浮电压的重要性。最后,试制了样机,给出了样机运行时的波形图,验证了该方法的可行性。First,how to realize SPWM waveform with rule sampling method is discussed,then the steps of the specific algorithm based on TI＇s digital signal processor TMS320F2812 are introdued,and the configuration of the TMS320F2812 event manager registers and the design process of the software are analyzed in detail.Second,the problems are analyzed,which should be paid attention when designing the driving circuit and themain circuit,and the importance of potential isolation and suspension voltage is emphasized.Finally,a prototype is developed,the running waveform of the prototype is given,the feasibility of the method is verified.

关 键 词：DSP 规则采样法 SPWM 逆变器 

分 类 号：TP273.5[自动化与计算机技术—检测技术与自动化装置]