摘要
介绍了基于L298的直流PWM调速系统的工作原理,给出了系统的软、硬件组成。运行试验表明,系统工作稳定可靠,满足直流电动机的调速要求。
This article briefly analyses the causes of outside wall Leaking of buildings and its tackling measures, so people can understand the outside wall blocking up the leakage butter ,and provide scientific basis.
出处
《潍坊学院学报》
2004年第4期87-88,49,共3页
Journal of Weifang University