用于人体传感器网络中可穿戴传感器和植入物的无线电力传输。
Wireless power delivery for wearable sensors and implants in Body Sensor Networks.
作者信息
Zhang Fei, Hackwoth Steve A, Liu Xiaoyu, Li Chengliu, Sun Mingui
机构信息
Laboratory for Computational Neuroscience, Departments of Neurosurgery and Electrical & Computer Engineering, University of Pittsburgh, PA 15260, USA.
出版信息
Annu Int Conf IEEE Eng Med Biol Soc. 2010;2010:692-5. doi: 10.1109/IEMBS.2010.5626201.
A recent study on witricity (wireless electricity) has demonstrated that wireless energy can be delivered over a moderate distance using strongly coupled magnetic resonance. The objective of this work is to apply the witricity technology to the problem of powering a wireless Body Sensor Network (wBSN). The theory of witricity is investigated using coupled mode theory. Compact witricity resonators are designed, and a working prototype of witricity powered wBSN is built and evaluated. An energy transfer efficiency of about 80 % over a distance of 15 cm is achieved. Besides the high efficiency, it has been observed that a certain misalignment between the transmitter and receiver has little effect on the power transfer. Our experimental results indicate that witricity provides a powerful solution to the energy supply problem of wBSN.
最近一项关于无线电力传输的研究表明，利用强耦合磁共振技术可以在一定距离内实现无线能量传输。这项工作的目标是将无线电力传输技术应用于为无线人体传感器网络（wBSN）供电的问题。利用耦合模理论对无线电力传输理论进行了研究。设计了紧凑型无线电力传输谐振器，并构建并评估了由无线电力传输供电的wBSN工作原型。在15厘米的距离上实现了约80%的能量传输效率。除了高效率之外，还观察到发射器和接收器之间的一定程度的不对准对功率传输影响很小。我们的实验结果表明，无线电力传输为wBSN的能量供应问题提供了一个强有力的解决方案。
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