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基于永磁振动发电的微功耗电能处理电路

, PP. 39-43

Keywords: 永磁振动发电机,随机振动,电能处理,微功耗

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Abstract:

永磁振动发电机的输出功率较小,且输出特性受振动环境影响明显,因此开发了一种低功耗电能处理电路,提高供电效率。在人体甩臂运动时,对永磁振动发电机输出的电动势进行测量,计算功率谱密度,确定振动发电机的能量输出集中的频段。以此为基础,计算永磁振动发电机的输出阻抗并设计整体电路,包括与发电机阻抗匹配的整流滤波电路、储能电路、升压供电电路。仿真和实验研究,证明电路的工作损耗低于30μW。

References

[1]  Giuseppe A, Marco C, Mario D F, et al. Energy conservation in wireless sensor networks: a survey[J]. Ad Hoc Networks, 2009(7): 537-568.
[2]  Steinhausen R, Kern S, Pientschke C, et al. A new measurement method of piezoelectric properties of single ceramic fibers[J]. Journal of the European Ceramic Society, 2010, 30(2): 205-209.
[3]  Afshin B, Alagan A, Bobby M. Prolonging net-work lifetime via nodal energy balancing in hetero-geneous wireless sensor networks communications[C]. New York(NY): IEEE International Conference on Com- munications(ICC), 2011: 1-5.
[4]  朱达荣,张建辉,申兴发,等. 无线传感器自然能量供电设计及实验分析[J]. 电子科技大学学报,2011, 40(5): 777-782. Zhu Darong, Zhang Jianhui, Shen Xingfa, et al. Design and experimental analysis of environmentally powered wireless sensor[J]. Journal of University of Electronic Science and Technology of China, 2011, 40(5): 777-782.
[5]  Cian O M,Terence O D,Rafael V M,et al. Energy scavenging for long-term deployable wireless sensornet- works[J]. Talanta, 2008, 75(3): 613-623.
[6]  Gonzalo M, Minbaek L, Chen X, et al. Hybrid- resonant energy harvester integrating ZnO NWs with MEMS for enabling zero-power wireless sensor nodes[J]. Nano Communication Networks,2011, 2 (4): 235-241.
[7]  Roundy S, Wright P K, Rabaey J. A study of low level vibrations as a power source for wireless sensor nodes[J]. Computer Communications, 2003, 26: 1131- 1144.
[8]  Saadon S, Sidek O. Ambient vibration-based MEMS piezoelectric harvester for green energy source[C]. Proceedings of the 4th International Conference on Modeling, Simulation and Applied Optimization, Kuala Lumpur, 2011: 1-6.
[9]  Sidek O, Khalid M A, Ishak M Z, et al. Design and simulation of soi-mems electrostatic vibration energy harvester for micro power generator[C]. Proceedings of the 1st International Conference on Electrical, Control and Computer Engineering, Kuantan, Pahang, 2011: 207-212.
[10]  Bouendeu E, Greiner A, Smith P J, et al. A low-cost electromagnetic generator for vibration energy harves- ting[J]. IEEE Sensors Journal, 2010, 11(1): 107-113.

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