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道路压电微能量采集电路开发及应用效果研究

更新时间:2020-09-14 11:51:13 大小:7M 上传用户:xiaohei1810查看TA发布的资源 标签:能量采集电路 下载积分:2分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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分析了现有电路用于道路压电能量采集存在的技术缺陷,基于标准能量采集电路提出2种改进方案,借助仿真软件系统研究了改进电路在不同电源激励下的能量采集功效,测试并评价了改进电路的实际应用效果,表明道路压电微能量的高电压、低电流、不连续瞬时、峰值电压不一致和低频等特性决定了现有采集电路难以实现对道路压电微能量的高效采集。仿真结果表明,标准能量改进电路可稳定输出5V直流电压,且持续充电270s即可实现稳定的2.2V直流输出。

Technical defects of existing circuit for road piezoelectric energy harvesting wre analyzed .Two improved schemes based on standard energy acquisition circuit were proposed .Energy harvesting efficiency of improved circuits with different power sup-ply was studied by using simulation software .The practical application effect was tested and evaluated .It is difficult for the exist-ing piezoelectric energy acquisition circuit to monitor the road piezoelectric micro energy efficiently ,because of its features such as high voltage ,low current ,discontinuous instantaneous ,peak voltage in conformity and low frequency .Simulation results show that improved energy harvesting circuit can export 5 V DC stably ,and export 2 .2 V DC stably...

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道路压电微能量采集电路开发及应用效果研究.pdf 7M

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