- 期刊
線性壓電振動輸送機之有限元素分析及設計
Finite Element Modeling and Design of a Piezoelectric Resonator
摘要
本研究使用兩種分析軟件（Comsol, Ansys）來模擬直線式壓電振動輸送機（Linear piezo vibratory conveyor）之模態分析及自然頻率（Natural frequency）分析。直線式壓電式振動送料機主要是由輸送軌、軌道平台、簧片、壓電素子（Piezo-resonator）及基座組合而成，藉由通電促使壓電素子產生逆壓電效應產生振動，作為驅動源驅動料槽實現物料的輸送。本次實驗將會用直線式壓電式振動輸送機做兩組不同分析軟件之分析比較，並且分析在不同厚度、角度的簧片及材料下所影響之自然頻率之差異，最後將與實際測得之自然頻率做誤差之比較。通過將簧片放置在傾斜角度為6度且厚度為4 mm的情況下，自然頻率可增加13.8%。
並列摘要
In this paper, two softwares (Comsol and Ansys) were used to simulate the modal analysis and natural frequency analysis of linear piezoelectric vibration conveyor. Linear piezoelectric vibration conveyor mainly consists of conveying rail, track platform, reed, piezoelectric resonator and base. The inverse piezoelectric effect of the piezoelectric resonator is used to generate vibration for material transportation. This research will first construct a finite element model for the linear piezoelectric vibration conveyor, and then to improve the design based on the model. Specifically, material used and thicknesses and angles of the reed are extensively studied. An increase of 13.8% for the natural frequency can be obtained by placing reed at 6° inclination angle with 4 mm thickness.
延伸閱讀
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- 余帝嶢（2016）。壓電能量擷取振子有限元素模型之實驗驗證與等效參數模擬評估〔碩士論文，國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU201601184
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- Lee, C. H. (2009). Finite Element Analysis of Dielectric and Plasmonic Periodic Structures [master's thesis, National Taiwan University]. Airiti Library. https://doi.org/10.6342/NTU.2009.00196
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