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平稳性指标是衡量铁道车辆运行品质的主要技术参数。根据ARM处理器AT91RM9200的工作原理和性能特点,提出了一种基于ARM嵌入式技术的车辆运行平稳性系统设计方案。系统采用了嵌入Linux操作系统,分析了系统的软硬件功能结构。系统性能可靠,价格低廉,适用于一般振动信号的采集和分析。
The stability index is the main technical parameter to measure the running quality of railway vehicles. According to the operating principle and performance characteristics of ARM processor AT91RM9200, a design scheme of vehicle running stability system based on ARM embedded technology is proposed. The system adopts embedded Linux operating system, analyzes the system’s hardware and software functional structure. System performance is reliable, low price, suitable for general vibration signal acquisition and analysis.