基于FPGA的振动采集监控系统

Vibration acquisition and monitoring system based on FPGA

为了保证工业机械设备运行安全,避免振动损害,实现对机械设备振动信号实时监测,提高振动监测实时性,设计了一款以Altera公司EP4E10F17C8N型号的FPGA为数字控制单元,通过以太网UDP协议进行数据传输的振动采集监控系统。该系统采用多点式振动信号采集,采集到的信号经过信号预处理存储到外部SDRAM,再把存储数据封装成UDP数据包格式通过网线上传到电脑端,最后使用LabVIEW将下位机系统上传数据滤波处理并显示机械设备振动波形。以太网通信技术减少了振动数据在远距离传输的延时损耗等问题,对于处于振动运行状态的机械设备该系统可以实现振动信号数据高速传输、实时监测,实现远程在线式振动信号监控,可以辅助工作人员对机械设备振动状态进行远程实时监测,适用于采集不便、环境复杂的工况环境。

In order to ensure the operation safety of industrial machinery and equipment,avoid vibration damage,realize the real-time monitoring of mechanical equipment vibration signals,and improve the real-time performance of vibration monitoring,a vibration acquisition and monitoring system was designed,which took the FPGA of Altera EP4 E115 F29 C7 N as the digital control unit,and carried out data transmission through Ethernet UDP protocol.The system adopts multi-point vibration signal acquisition,the collected signal is pre-processed and stored to external SDRAM,and then the stored data is packaged into UDP data packet format and uploaded to the computer through the network cable.Finally,LabVIEW is used to upload data filtering to the lower computer system and display the vibration waveform of mechanical equipment.Ethernet communication technology to reduce the vibration data in long distance transmission delay loss,in the vibration of mechanical equipment in the running state of the system can realize high speed data transmission,real-time monitoring,vibration signal to realize the remote on-line monitoring vibration signal,will help the staff for the remote real-time monitoring of machinery vibration state,It is suitable for inconvenient collection and complex working conditions.