用于脊髓修复的15通道30伏神经刺激器
A 15-channel 30-V Neural Stimulator for Spinal Cord Repair.
作者信息
Tao YongHong, Hierlemann Andreas
机构信息
Bio Engineering Laboratory, D-BSSE, ETH Zurich, Mattenstrasse 26, 4058 Basel, Switzerland.
出版信息
IEEE Trans Very Large Scale Integr VLSI Syst. 2018 Oct;26(10):2185-2189. doi: 10.1109/TVLSI.2018.2832051. Epub 2018 May 11.
Abstract
This paper presents a 15-channel, 30-V, implantable current stimulator for restoring locomotion control after spinal cord injuries. The stimulator features performance specifications comparable to those of large desktop instrumentation: high linearity, high precision of the delivered currents, small channel-to-channel mismatches and a fast settling time of 0.3 μs. An ADC-based active charge balancing scheme using a digital PI (proportional-integral) controller was implemented in firmware.
摘要
本文介绍了一种用于脊髓损伤后恢复运动控制的15通道、30V植入式电流刺激器。该刺激器的性能规格可与大型台式仪器相媲美：线性度高、输出电流精度高、通道间失配小且建立时间快，为0.3微秒。固件中实现了一种基于ADC的采用数字PI（比例积分）控制器的有源电荷平衡方案。
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