Then , this paper presents an improved t measuring speed method basing on t measuring speed method , and simultaneously realizes speed and angle measuring with two quadrature encoder pulse circuits of tms320lf2407a . the measuring speed formula is amended based on measuring speed error analysis 其次,在t法测速的基础上提出了一种改进的t法测速法,并利用tms320lf2407a的两组正交编码电路同时实现速度与角度测量,在分析测速误差的基础上,对测速公式进行修正。
These results prove that the charging action of the power supply is right . the simulation method is applied with other power supply system . at the same time , the hardware system of 2qkv - 60kw high - voltage capacitor direct current charging power supply is described in this paper , and discuss why designed a full digital phase - shifting pulse circuit 同时,本文叙述了20kv ? 60kw高压电容直流充电电源的硬件电路的设计,其中讨论了为什么不采用已有的uc3875 、 uc3879等芯片来产生zvspwmdc dc变换器的移相脉冲,设计了全数字式移相脉冲产生电路。