压电能量收集系统降压-升压转换电路的设计与分析

2016 International Conference on Computer and Communication Engineering (ICCCE) Pub Date : 2016-07-01 DOI:10.1109/ICCCE.2016.53

M. Mostafa, S. Motakabber, M. Ibrahimy

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引用次数: 7

摘要

基于压电的能量收集技术需要改进，因为这种系统是高电容性的，而不是电阻性的，这限制了电阻性负载的电流。从系统中获取能量的有效方法主要取决于其接口电路。为了最大限度地提高输出功率，有必要对接口电路进行表征和优化。对电路参数占空比、开关频率、电感和负载电阻进行了表征和优化，以提高采集系统的效率。采用PSpice (V16.5)电子电路仿真软件对电路进行了仿真。压电换能器电路的输入电压幅值为0.54V AC，得到的额定输出电压为3.3V。结果表明，该负载的最大输出功耗为57mW。

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Design and Analysis of a Buck-Boost Converter Circuit for Piezoelectric Energy Harvesting System

The piezoelectric based energy harvesting technique needs to be improved as this system is highly capacitive rather than resistive which limits the current of a resistive load. The efficient way to harvest the energy from the system mostly depends on its interfacing circuitry. It is necessary to characterize and optimize the interfacing circuit for maximizing the output power. The circuit parameters - duty cycle, switching frequency, inductance and load resistance have been characterized and optimized to improve the efficiency of the harvesting system. The circuit has been simulated using PSpice (V16.5) electronic circuit simulation software. The input voltage of the circuit of the piezoelectric transducer is 0.54V AC in amplitude and the rated output voltage has been obtained as 3.3V. The results show that the maximum output power dissipated in the load is 57mW.

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2016 International Conference on Computer and Communication Engineering (ICCCE)

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