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Modeling and simulation of piezoelectric cantilever generators
Author(s): 
Pages: 71-75
Year: Issue:  1
Journal: OPTICS AND PRECISION ENGINEERING

Keyword:  压电悬臂梁发电建模;
Abstract: 建立了单、双晶压电梁发电能力的仿真分析模型,研究了结构尺寸、激励方式及材料性能等对其发电能力的影响规律.研究表明,在基板材料及激励条件相同时,存在不同的最佳厚度比使单、双晶压电梁发电能力最大,双晶梁的最大发电量约为单晶梁的2倍.基板材料不同时,最佳厚度比随杨氏模量比增加而减小,铝、钼基板构成的单、双晶压电梁的最佳厚度比分别为(0.7,0.35)和(0.45,0.2).在相同的厚度比及外界激励条件下,杨氏模量比对两种压电梁发电能力的影响不同,杨氏模量比低于3.3时,双晶梁的发电量均大于单晶梁.
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