基于Q-V循环的Bennet倍压器型静电能量采集器的理论分析
Theoretical analysis of electrostatic energy harvester configured as Bennet's doubler based on Q-V cycles
摘要：
本文介绍了理论分析的MEMS静电能量采集器配置为Bennet的倍压器。倍压器电路的稳态操作可以通过直角梯形Q-V周期来近似。电压倍压器和基于连续性的电荷泵电路之间的相似性被强调。通过考虑机电耦合，饱和电压的解析解是第一次推导，提供了一个更好的理解系统的性能和多参数的影响。两种情况下的数学理想化二极管和肖特基二极管的电路模拟结果验证了理论方法。进一步提高饱和电压的倍/乘电路的发展进行了研究。
英文摘要：
This paper presents theoretical analysis of a MEMS electrostatic energy harvester configured as the Bennet's doubler. Steady-state operation of the doubler circuit can be approximated by a right-angled trapezoid Q-V cycle. A similarity between voltage doubler and resistive-based charge-pump circuit is highlighted. By taking electromechanical coupling into account, the analytical solution of the saturation voltage is the first time derived, providing a greater comprehension of the system performance and multi-parameter effects. The theoretical approach is verified by results of circuit simulation for two cases of mathematically idealized diode and of Schottky diode. Development of the doubler/multiplier circuits that can further increase the saturation voltage is investigated.
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