基于STM32的振动故障监测系统设计  

Design of Vibration Fault Monitoring System Based on STM32

作　　者：汤春球[1] 陈琳[1] 刘天福 TANG Chun-qiu;CHEN Lin;LIU Tian-fu(School of Mechanical and Electrical Engineering,Wuhan University of Technology,Wuhan 430070,China)

机构地区：[1]武汉理工大学机电工程学院,武汉430070

出　　处：《自动化与仪表》2022年第5期59-62,79,共5页Automation & Instrumentation

摘　　要：该文介绍了一种利用余弦相似度算法对旋转机械主轴振动故障监测系统的设计方法,从硬件和软件两方面阐述了该系统的设计思想,并通过Matlab验证了余弦相似度算法在该系统的适用性。该系统运用加速度传感器采集旋转机械主轴的振动数据,经过STM32单片机的ADC模块采样之后进行数据处理,建立正常状态下的振动数据模型,利用余弦相似度算法实现实时状态与正常状态的相似度分析。This paper introduces a design method of monitoring system of rotating machinery spindle vibration fault by using cosine similarity algorithm,expounds the design idea of the system from hardware and software,and verifies the applicability of cosine similarity algorithm in the system through Matlab.The system uses acceleration sensor to collect vibration data of rotating machinery spindle.After sampling by ADC module of STM32 microcontroller,the data is processed,and the vibration data model under normal state is established.Cosine similarity algorithm is used to realize the similarity analysis between real-time state and normal state.

关 键 词：余弦相似度 STM32 特征状态矩阵 FFT 

分 类 号：X839.1[环境科学与工程—环境工程]