相关实验视频
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一个14位,12V至100V电压合规的电刺激器,具有冗余数字校准
Kangyu Su1,2, Zhang Qiu1,2, Jian Xu2,3,4
1College of Information and Electronics Engineering, Zhejiang University, Hangzhou 310027, China.
Micromachines
|November 25, 2023
概括
这项研究介绍了一种先进的电刺激器原型. 它具有自适应性节能,精确的电流校准和灵活的波形生成,用于改进可穿戴设备中的神经系统调制.
科学领域:
- 生物医学工程 生物医学工程
- 神经科学是一个神经科学.
- 电气工程 电气工程
背景情况:
- 电刺激对于调节神经系统功能至关重要.
- 现有的电刺激器面临着特定领域的挑战.
- 需要更具竞争力和适应性的刺激器原型.
研究的目的:
- 开发一个新的电刺激器原型.
- 为了解决当前电刺激技术的局限性.
- 为了提高神经调制的精度,安全性和灵活性.
主要方法:
- 实现过电压检测,以节省负载适应功率.
- 利用冗余数字校准 (RDC) 来提高当前的准确性和安全性.
- 设计了一种灵活的波形发生器,用于任意的刺激生成.
主要成果:
- 刺激器自动调整电源电压从12V到100V.
- 在刺激电流 (6.5mA范围) 中实现了14位的有效分辨率.
- 在没有电荷平衡的双相脉冲中,证明了低平均不匹配率 (0.0427%).
结论:
- 开发的电刺激器在可植入和可穿戴应用中具有高度竞争力.
- 综合技术提高了性能,安全性和多功能性.
- 这种原型可以精确控制神经调制参数.
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