研究目的
To design and verify a vibration monitoring system based on fiber Bragg grating (FBG) for electromechanical equipment, capable of reducing temperature interference and lateral disturbance while detecting vibration in three directions simultaneously.
研究成果
The designed vibration monitoring system based on FBG effectively monitors and analyzes vibration states in electromechanical equipment, demonstrating reduced temperature interference and lateral disturbance while capable of detecting vibrations in three directions simultaneously. Future work will involve applying the system in engine running state monitoring experiments.
研究不足
The study primarily focuses on the feasibility of the vibration monitoring system and does not extensively cover its application in real-world electromechanical equipment under varying operational conditions.
1：Experimental Design and Method Selection:
The study involves designing a vibration monitoring system using FBG sensors, optimizing the sensor's structure through finite element analysis, and developing vibration monitoring analysis software using LabVIEW.
2：Sample Selection and Data Sources:
The system is tested using pulse and continuous signal dynamic experiments to simulate electromechanical equipment vibrations.
3：List of Experimental Equipment and Materials:
Includes FBG sensors, a photoelectric converter, a digital acquisition card, and a host computer for data analysis.
4：Experimental Procedures and Operational Workflow:
The sensor's performance is tested by simulating vibrations through hammer knocks on an experiment table, with data collected and analyzed in real-time.
5：Data Analysis Methods:
The collected data is analyzed for vibration frequency and amplitude, with results displayed in both time-domain and frequency-domain waveforms.
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