英语翻译调压调速是现代飞速发展的电力电子技术和控制理论基础上发展起来的.其思想是改变直流电动机的电枢电流来进行调速,以能

the development of the rev speed adjusting device（carried by adjusting voltage）depends on the rapid development of electronic technology and control theory,its operational principle is to change the DC motor rev by adjusting its working current,
according to the theory of change rev by adjusting voltage and auto-control,this paper shows a design scheme of rev speed adjusting system for housing panee（龙门刨床）,and made detailed introduction about the control circuit and logic principle of speed adjusting system ,and analyzed the functions of its static and dynamic performance,and indicates the debug method of the system,
调压调速；change rev speed by adjusting voltage
直流电动机；DC motor
龙门刨床；housing panee