Internal control evaluation has been the trend of economic development, and it is of great significance for the improvement of information asymmetry and perfection of internal control system.
内部控制评价对于改善信息不对称状况和促进内部控制系统的建立健全有着十分重要的意义。
2
This paper presents a series hybrid active power filter (SHAPF) based on asymmetry cascade multilevel inverter (ACMI) and its control strategy.
The system adopts MSP430F149 MCU and asymmetry regular-sampling strategy to output high precision SPWM wave, consequently transducer's SPWM control is realized.