壓電發電元件自供電同步切換介面電路研究

陳俊忠

doi:10.6342/NTU201602034

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压电发电元件自供电同步切换介面电路研究

Improved circuit design on self-powered synchronized switching techniques for piezoelectric energy harvesting

陈俊忠 , 硕士　　导师：吴文中　　

繁体中文 DOI： 10.6342/NTU201602034

能量撷取；自供电；同步切换介面电路； SSHI ；微机电； Energy harvesting system ； Self-power ； Synchronized switching techniques ； Synchronized Switching Harvesting on an Inductor ； MEMS

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摘要 │ 参考文献 (59) │ 国际计量

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In recent years, the concept of the machine to machine (M2M) and the internet of things (IoT) have drawn the industry’s much attention. In order to monitor different status of the environment, the requirement for sensors are increasing. Due to the advancement of semiconductor fabrication technologies, the power consumption of the sensor was reduced to about ten microwatts. In order to solve the power supply of the sensor, the energy harvesting technology can transform the vibrational energy into electrical energy from the environment. The energy harvesting technology can provide power in scales of tens to hundreds microwatts. Using synchronized switching technology, one can increase the output power of the energy harvesting technology.
This thesis presents a self-powered synchronized switching technique for piezoelectric energy harvesting. The architecture consists of a peak detector, a comparator, and a digital switch. The control signal for the digital switch is generated by the peak detector and the comparator. With the MEMS process, the output power of the piezoelectric element is less than 100 microwatts. Therefore, the complicated design of the interface circuit is inadequate to be driven by the piezoelectric element. Nevertheless, the design of the self-powered synchronized switching techniques is much simple and thus more appropriate the piezoelectric element fabricated by the MEMS process.
This proposed a self-powered synchronized switching interface circuit is fabricated by TSMC 0.25 μm 60V high voltage 1P3M cmos process. The power consumption is 26 μW at the element resonant frequency of 120 Hz. The optimal output power is 43.42 μW under the optimal load of 1.5 MΩ. The self-powered synchronized switching interface circuit can increase the power extraction to 3.36 times comparing to the standard circuit.

参考文献 ( 59 ) 〈TOP〉

[1] Z. M. Fadlullah, M. M. Fouda, N. Kato, A. Takeuchi, N. Iwasaki, and Y. Nozaki, "Toward intelligent machine-to-machine communications in smart grid," IEEE Communications Magazine, vol. 49, pp. 60-65, 2011.
连结：
[2] S. Li, L. D. Xu, and S. Zhao, "The internet of things: a survey," Information Systems Frontiers, vol. 17, pp. 243-259, 2015.
连结：
[3] M. Grätzel, "Solar energy conversion by dye-sensitized photovoltaic cells," Inorganic chemistry, vol. 44, pp. 6841-6851, 2005.
连结：
[5] S. Pogacian, A. Bot, and D. Zotoiu, "Acoustic noise and pneumatic wave vortices energy harvesting on highways," AIP Conference Proceedings, vol. 1425, pp. 77-80, 2012.
连结：
[8] P. D. Mitcheson, E. M. Yeatman, G. K. Rao, A. S. Holmes, and T. C. Green, "Energy Harvesting From Human and Machine Motion for Wireless Electronic Devices," Proceedings of the IEEE, vol. 96, pp. 1457-1486, 2008.
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使用DOI作为永久连结

引用含有DOI的文献

DOI可强化引用精确性、增强学术圈连结，并给予使用者跨平台的良好使用经验，目前在全世界已有超过五千万个对象申请DOI。 如想对DOI的使用与概念有进一步了解，请参考 （ ） 。

DOI可强化引用精确性、增强学术圈连结，并给予使用者跨平台的良好使用经验，目前在全世界已有超过五千万个对象申请DOI。如想对DOI的使用与概念有进一步了解，请参考（）。