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Based on the mechanical model of the sensor\u2019s structure, the expressions for sensitivity and resonant frequency of the sensor are derived. The structural parameters of the sensor are optimized, and a simulation analysis is conducted using ANSYS 19.2 software. According to the results of simulation analysis and size optimization, the sensor prototype is constructed. Subsequently, its amplitude-frequency response, sensitivity, and temperature characteristics are investigated through vibration experiments. The experimental results show that the resonant frequency of the sensor is 73 Hz, the operating frequency range is 0~60 Hz, and the sensitivity measures 24.24 pm\/g. This design meets the requirements for measuring vibration signals at low frequencies.<\/jats:p>","DOI":"10.3390\/s24102990","type":"journal-article","created":{"date-parts":[[2024,5,8]],"date-time":"2024-05-08T12:27:11Z","timestamp":1715171231000},"page":"2990","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["A Low-Frequency Fiber Bragg Grating Acceleration Sensor Based on Spring Support and Symmetric Compensation Structure with Flexible Hinges"],"prefix":"10.3390","volume":"24","author":[{"given":"Lijun","family":"Meng","sequence":"first","affiliation":[{"name":"State Key Laboratory of Precision Blasting, Jianghan University, Delta Lake Road, No. 8, Wuhan 430056, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Panpan","family":"Zhu","sequence":"additional","affiliation":[{"name":"Intelligent Manufacturing College, Jianghan University, Delta Lake Road, No. 8, Wuhan 430056, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xin","family":"Tan","sequence":"additional","affiliation":[{"name":"Intelligent Manufacturing College, Jianghan University, Delta Lake Road, No. 8, Wuhan 430056, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiao","family":"Huang","sequence":"additional","affiliation":[{"name":"College of Information Engineering, Wuhan Business University, No. 816 Dongfeng Boulevard, Wuhan 430056, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,5,8]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Tiboni, M., Remino, C., Bussola, R., and Amici, C. 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