基于STM32和PWM的锂离子电池检测系统设计和研究Design and research of lithium-ion battery detection system based on STM32 and PWM
杨保亮,杨守良
摘要(Abstract):
随着电子产品的普及和锂电池应用的增多,对锂离子电池的检测系统提出了更高的要求。文中提出一种基于STM32和PWM的锂离子电池检测系统,其采用双层分布式结构,即工控机与微处理器分别作为上位机与下位机。充放电技术为脉冲宽度调制,控制策略为闭环负反馈,底层为可扩展的模块化检测平台,从而根据要求设定程序以完成多种工步的检测。文中对检测系统的总体设计方案进行介绍,并设计了锂电池的充放电、信号采集等控制模块,最后运用实验对所设计的系统进行了验证。结果表明,该系统具有可靠性与精度高、响应速度快、操作方便的优点,能满足锂电池检测系统的程序设定与多工步检测。
关键词(KeyWords): STM32单片机;PWM;锂离子电池;脉冲宽度调制;分布式控制;闭环负反馈
基金项目(Foundation): 国家自然科学基金(61604026);; 重庆市教委科研项目(KJ1711274);; 重庆文理学院校级科研项目(Z2015DQ10&XSKY2016090)~~
作者(Author): 杨保亮,杨守良
DOI: 10.16652/j.issn.1004-373x.2018.12.030
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