The problems of hybrid input of mechanical press are studied in this paper, with differential gear train as transmission......

介绍无刷双馈电机调速原理和稳态特性 ,分析了无刷双馈电机在现代交流调速传动领域的应用优势 ,指出双馈电机调速传动系统是一种很......

介绍了一种以89C51单片机为主控芯片，选用可编程定时／计数器NEC8253控制步进电机的脉冲频率，实现其无级调速，从而控制悬挂物体运动的设......