Energy extraction circuit for the piezoelectric energy collector proposed by the domestic and foreign researchers is introduced in detail,and analyzed the realization principle and working process of all kinds of circuits.From the perspective of energy conversion efficiency. Several different energy extraction circuits are compared and analyzed.On this basis,the structure of the new improved energy extraction circuit is introduced. Trend and direction of the energy extraction circuit in the piezoelectric energy collector are summarized.%详细介绍了国内外研究人员针对压电式能量收集器提出的各种能量提取电路,并分析了各种电路的实现原理与工作过程.从能量转换效率的角度,对几种不同的能量提取电路进行了对比分析,在此基础上,介绍了最新改进的能量提取电路结构.总结了压电式能量收集器中能量提取电路的未来发展趋势和方向.
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