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Review

Wirelessly-Powered Cage Designs for Supporting Long-Term Experiments on Small Freely Behaving Animals in a Large Experimental Arena

by 1 and 2,*
1
Department of Electrical Engineering, Incheon National University, Incheon 22012, Korea
2
Department of Electrical and Computer Engineering, North Carolina State University, 890 Oval Dr, Raleigh, NC 27606, USA
*
Author to whom correspondence should be addressed.
Electronics 2020, 9(12), 1999; https://doi.org/10.3390/electronics9121999
Received: 22 October 2020 / Revised: 14 November 2020 / Accepted: 18 November 2020 / Published: 25 November 2020
(This article belongs to the Special Issue Wireless Power/Data Transfer, Energy Harvesting System Design)
In modern implantable medical devices (IMDs), wireless power transmission (WPT) between inside and outside of the animal body is essential to power the IMD. Unlike conventional WPT, which transmits the wireless power only between fixed Tx and Rx coils, the wirelessly-powered cage system can wirelessly power the IMD implanted in a small animal subject while the animal freely moves inside the cage during the experiment. A few wirelessly-powered cage systems have been developed to either directly power the IMD or recharge batteries during the experiment. Since these systems adapted different power carrier frequencies, coil configurations, subject tracking techniques, and wireless powered area, it is important for designers to select suitable wirelessly-powered cage designs, considering the practical limitations in wirelessly powering the IMD, such as power transfer efficiency (PTE), power delivered to load (PDL), closed-loop power control (CLPC), scalability, spatial/angular misalignment, near-field data telemetry, and safety issues against various perturbations during the longitudinal animal experiment. In this article, we review the trend of state-of-the-art wirelessly-powered cage designs and practical considerations of relevant technologies for various IMD applications. View Full-Text
Keywords: wirelessly-powered cage; inductive power transmission; implantable medical device; animal experiment wirelessly-powered cage; inductive power transmission; implantable medical device; animal experiment
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MDPI and ACS Style

Lee, B.; Jia, Y. Wirelessly-Powered Cage Designs for Supporting Long-Term Experiments on Small Freely Behaving Animals in a Large Experimental Arena. Electronics 2020, 9, 1999. https://doi.org/10.3390/electronics9121999

AMA Style

Lee B, Jia Y. Wirelessly-Powered Cage Designs for Supporting Long-Term Experiments on Small Freely Behaving Animals in a Large Experimental Arena. Electronics. 2020; 9(12):1999. https://doi.org/10.3390/electronics9121999

Chicago/Turabian Style

Lee, Byunghun, and Yaoyao Jia. 2020. "Wirelessly-Powered Cage Designs for Supporting Long-Term Experiments on Small Freely Behaving Animals in a Large Experimental Arena" Electronics 9, no. 12: 1999. https://doi.org/10.3390/electronics9121999

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