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研究了测速定位系统的软件实现,主要应用于磁悬浮列车的实时检测。通过基于DSP(数字信号处理器)芯片的测速定位系统,对安装在车辆上的测速传感器的模拟信号进行处理以获得列车运行的实时速度、位移和时间。选择合理的实现方案和编程思路对测速定位系统进行软件设计,以实现A/D转换、速度和位移的计算和显示。介绍了系统软件设计主流程和主要模块设计思路以及测速定位系统工作原理和涉及的DSP芯片TMS320VC33等硬件结构。
The software implementation of speed positioning system is researched, which is mainly used in the real-time detection of maglev train. The analog signal of the speed sensor mounted on the vehicle is processed by a DSP (Digital Signal Processor) chip based speed positioning system to obtain the real-time speed, displacement and time of the train operation. Choose a reasonable program of implementation and programming ideas for software design of speed positioning system to achieve A / D conversion, speed and displacement of the calculation and display. Introduced the system software design main process and the main module design ideas as well as the working principle of the speed positioning system and the hardware structure of the DSP chip TMS320VC33.