基于DSP及CPLD的DC600V客车充电机控制系统试验台的研制  

Development of DC600V Charger Control System Testing Platform for Passenger Car Based on DSP and CPLD

作　　者：刘伟志[1] 王永翔[1] 李红[1] 

机构地区：[1]中国铁道科学研究院机车车辆研究所,北京100081

出　　处：《中国铁道科学》2010年第3期138-144,共7页China Railway Science

基　　金：中国铁道科学研究院机车车辆研究所科研基金资助项目(0450JL0404)

摘　　要：针对DC600V客车充电机控制系统调试快速、准确的需求,研制基于数字信号处理器(DSP)及复杂可编程逻辑器件(CPLD)的DC600V客车充电机控制系统试验台。根据充电机的主电路结构、充电机控制系统的作用及测试需求,确定试验台的工作原理。试验台电路主要由DSP核心控制电路、外部显示与控制电路2部分组成。试验台研制的关键技术包括:基于离散采样的脉冲计算;脉冲时间特征值测量和脉冲稳定性的判断及控制。硬件设计包括:采用运算放大器设计脉冲调理电路和可控恒流源电路;采用CPLD设计逻辑控制电路;采用ARM 9芯片设计外部显示电路。测试软件包括DSP测试板程序和显示屏控制板程序。试验台实现了对DC600V客车充电机控制系统的自动测试。In order to satisfy the requirement of the fast debugging and accuracy of DC600V passenger car＇s charger control system,a DC600V charger control system testing platform has been developed based on Digital Signal Processor（DSP） and Complex Programmable Logic Device（CPLD）.After analyzing the main circuit structure of the charger,the function and the test requirement of the charger＇s control system,the working principle of the test platform is presented.The circuit of the test platform mainly consists of central DSP control circuit and external display circuit.The key technology of the test platform includes the pulse measurement based on discrete sampling and the characteristic time value,and the judgment of the pulse stability.The operation amplifier is used to design the pulse modulating circuit and controllable current source circuit.The CPLD is used to design logic control circuit,and the ARM 9 chip is used to design the external display circuit.The test software includes the DSP system software and display system software.The test platform can be used to test the charger＇s control system automatically.

关 键 词：DC600V客车充电机 控制系统 试验台 数字信号处理器 

分 类 号：U270.381[机械工程—车辆工程]