循环极化微分口内天线设计验证和表征舌驱动系统的舌驱动系统
Sarita Ahlawat1, Binod Kumar Kanaujia1,2, Karumudi Rambabu3
1School of Computational and Integrative Sciences, Jawaharlal Nehru University, New Delhi, 110067, India.
Scientific reports
|June 19, 2023
概括
为辅助技术开发了一种全新的紧圆极分差口内天线. 这种天线可以使用舌头驱动系统为四肢患者提供无线控制.
科学领域:
- 电气工程 电气工程
- 生物医学工程 生物医学工程
- 天线设计天线设计
背景情况:
- 辅助设备对于四肢和脊髓损伤的人来说至关重要.
- 内口舌驱动系统 (iTDS) 提供一种非侵入性辅助技术 (AT) 解决方案.
- 有效的无线通信对于iTDS的功能至关重要.
研究的目的:
- 为 iTDS.设计和分析一个紧的,循环偏振的差异性口内天线.
- 为了评估天线性能在现实的口腔和头部模型.
- 确保可靠的无线数据传输,用于辅助应用.
主要方法:
- 一个微型差分天线的设计,具有螺旋段和高介电基板.
- 使用异质多层口腔和头部模型分析天线性能.
- 实验验证使用碎猪肉和盐溶液来模拟口腔环境.
- 估计特定吸收率 (SAR) 和数据通信链路分析.
主要成果:
- 设计的天线在ISM频段以2.4GHz的频率运行,具有紧的足迹.
- 测量阻抗带宽为10.39%和9.92%分别在碎猪肉和盐溶液中实现.
- 在各自的模拟环境中记录了 -18.17 dBi 和 -15.47 dBi 的峰值增强值.
- 该天线展示了与iTDS的射频前端直接接口的能力.
结论:
- 拟议的口内天线适用于iTDS.的无线通信.
- 天线的设计解决了用于口腔应用的小型化和性能要求.
- 这项技术有望提高身体残疾人的独立性.
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