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首页> 外文会议>2016 IEEE/ACES International Conference on Wireless Information Technology and Systems and Applied Computational Electromagnetics >Modeling of wireless power transfer link for retinal implant
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Modeling of wireless power transfer link for retinal implant

机译：视网膜植入无线功率传输链路的建模

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摘要

Wireless power transmission (WPT) to retinal implants using traditional near-field resonant inductive coupling does not work well as the eyeball rotates causing coil misalignments. In this paper we present the modelling of a novel wireless power transfer scheme which helps power the retinal implant efficiently even under misaligned conditions. The entire set-up comprising of a physical eye model with tissue losses was simulated using High Frequency Signal Simulator (HFSS) and Advanced Design System (ADS). A Power Transfer Efficiency (PTE) up to 60% for a retinal implant dimension of 1cm2 was achieved and a power of 60mW was able to be transmitted to the implant with good safety margin on the IEEE Specific Absorption Rate (SAR) regulations.
机译：当眼球旋转导致线圈未对准时，使用传统的近场共振感应耦合向视网膜植入物的无线电力传输（WPT）效果不佳。在本文中，我们介绍了一种新型的无线功率传输方案的建模，该方案即使在未对准的条件下也可以有效地为视网膜植入物供电。使用高频信号模拟器（HFSS）和高级设计系统（ADS）对包括具有组织损失的物理眼模型的整个设置进行了仿真。达到1cm2的视网膜植入物尺寸时，功率传输效率（PTE）高达60％，并且能够以IEEE特定吸收率（SAR）法规以良好的安全裕度将60mW的功率传输至植入物。

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