摘要
从原理上分析了用于步进电机控制的1种功率斩波放大电路,并对该电路中各参数的调整、选取等问题进行了讨论.通过各参数的调整、选取,最终使控制电流的波形得到了较大改善,接近了理想的矩形波.该电路具有功耗小、效率高等特点,有一定的推广应用价值.
This article analyzes an enlarged circuit of power chopper controlled by stepmotor, and discusses in detail such problems as adjustment and selection of each parameter, which greatly improves controlled current wave form and it is an ideal short form wave. The circuit has characteristics of low consumption and high efficiency, and it has the certain value of application.
出处
《北华大学学报(自然科学版)》
CAS
2003年第3期255-257,共3页
Journal of Beihua University(Natural Science)
关键词
比较器
电流时间常数
原理
Comparator
Current time constant
Theory