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요약정보
地铁列车节点电压信号采集记录系统设计 / Design of Acquisition and Recording System for Metro Node Voltage Signal
Resource Type
Academic Journal
Authors
朱嘉琪
;
杨永杰
;
ZHU Jiaqi
;
YANG Yongjie
Source
城市轨道交通研究 / Urban Mass Transit
. 22(11):83-87
Subject
地铁列车
采集记录系统设计
节点电路
电压信号
Language
Chinese
ISSN
1007-869X
Online Access
Find it @ DONGA
초록
为获取地铁列车节点电路的电压,记录故障发生前、中、后的电压变化,捕捉故障信号,精准定位故障原因和事故责任划分,设计了地铁列车节点信号电压采集记录系统.该系统具有自动采集节点电压信号、实时显示电压曲线图,以及计算该时段的电压最大值和后台存储电压数据的功能.详细介绍了该系统的硬件电路和软件程序设计.其硬件电路由电源电路、主控单元、电压信号采集单元、接口电路、时钟模块、SD(加密设备)存储单元和复位电路组成.在软件方面,单片机将采集的电压信号转换传输给PC(个人电脑)机,最终在PC机上实现加载电压曲线图和计算最大电压值的功能.
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