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车体耦合振动影响行车安全,因而研究车体振动加速度信号可以有效地测试火车的安全运行情况,为进一步改进车体结构,保障行车安全,采用加速度传感器对车体振动进行了在线检测。利用LabVIEW软件开发平台,采用滤波方法进行粗略地提取,实现车体振动加速度信号的显示和处理。实际表明,该系统结构简单,运行速度快,抗干扰性强,具有较高的可靠度。
Vehicle body coupled vibration affects traffic safety. Therefore, studying the vehicle body vibration acceleration signal can effectively test the safe operation of the train. In order to further improve the vehicle body structure and ensure traffic safety, an acceleration sensor is used to detect the vehicle body vibration on-line. Using LabVIEW software development platform, using filtering method for rough extraction, to achieve the body vibration acceleration signal display and processing. The actual shows that the system is simple, fast, anti-interference, with high reliability.