Compact electrotactile stimulation and EMG acquisition system with embedded blanking of stimulation artifacts

Matija Strbac; Milica Isakovic; Jovana Malesevic; Thiery Keller; Vojin Ilic; Nikola Jorgovanovic; Strahinja Dosen

doi:10.1109/ICECS46596.2019.8965115

Compact electrotactile stimulation and EMG acquisition system with embedded blanking of stimulation artifacts

Matija Strbac, Milica Isakovic, Jovana Malesevic, Thiery Keller, Vojin Ilic, Nikola Jorgovanovic, Strahinja Dosen

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

3 Citations (Scopus)

Abstract

We present a miniaturized closed-loop system for myoelectric control and electrotactile feedback in upper limb prostheses. The system integrates an electrotactile stimulator, which allows synchronous and asynchronous distribution of stimulation pulses, and an acquisition system for the simultaneous recording of multichannel EMG. The stimulator generates biphasic, current controlled pulses (amplitude: 0-5 mA; duration: 50-500 us; frequency: 1-100 Hz), which are routed by a demultiplexing circuitry to any of the 16 output channels. The acquisition system can be configured to record 8 bipolar or 16 monopolar EMG channels with a sampling frequency in the range from 500 Hz to 2 kHz. Embedded firmware incorporates direct calculation of ARV or RMS in the defined time window, as well as direct blanking of recording channels for the duration of the stimulation pulse artifact. Based on initial tests in a simple experimental setup we can determine that the developed system and proposed blanking algorithm can be used to record EMG signals during simultaneous delivery of electrical stimulation in challenging conditions (e.g., close electrode placement, high stimulation intensity).

Original language	English
Title of host publication	2019 26th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2019
Number of pages	4
Publisher	IEEE
Publication date	Nov 2019
Pages	863-866
Article number	8965115
ISBN (Electronic)	9781728109961
DOIs	https://doi.org/10.1109/ICECS46596.2019.8965115
Publication status	Published - Nov 2019
Event	26th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2019 - Genoa, Italy Duration: 27 Nov 2019 → 29 Nov 2019

Conference

Conference	26th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2019
Country/Territory	Italy
City	Genoa
Period	27/11/2019 → 29/11/2019

Bibliographical note

Publisher Copyright:
© 2019 IEEE.

Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.

Keywords

Blanking
Closed-loop control
Electrical stimulation
EMG
Feedback

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Strbac, M., Isakovic, M., Malesevic, J., Keller, T., Ilic, V., Jorgovanovic, N., & Dosen, S. (2019). Compact electrotactile stimulation and EMG acquisition system with embedded blanking of stimulation artifacts. In 2019 26th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2019 (pp. 863-866). Article 8965115 IEEE. https://doi.org/10.1109/ICECS46596.2019.8965115

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title = "Compact electrotactile stimulation and EMG acquisition system with embedded blanking of stimulation artifacts",

abstract = "We present a miniaturized closed-loop system for myoelectric control and electrotactile feedback in upper limb prostheses. The system integrates an electrotactile stimulator, which allows synchronous and asynchronous distribution of stimulation pulses, and an acquisition system for the simultaneous recording of multichannel EMG. The stimulator generates biphasic, current controlled pulses (amplitude: 0-5 mA; duration: 50-500 us; frequency: 1-100 Hz), which are routed by a demultiplexing circuitry to any of the 16 output channels. The acquisition system can be configured to record 8 bipolar or 16 monopolar EMG channels with a sampling frequency in the range from 500 Hz to 2 kHz. Embedded firmware incorporates direct calculation of ARV or RMS in the defined time window, as well as direct blanking of recording channels for the duration of the stimulation pulse artifact. Based on initial tests in a simple experimental setup we can determine that the developed system and proposed blanking algorithm can be used to record EMG signals during simultaneous delivery of electrical stimulation in challenging conditions (e.g., close electrode placement, high stimulation intensity).",

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author = "Matija Strbac and Milica Isakovic and Jovana Malesevic and Thiery Keller and Vojin Ilic and Nikola Jorgovanovic and Strahinja Dosen",

note = "Publisher Copyright: {\textcopyright} 2019 IEEE. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.; 26th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2019 ; Conference date: 27-11-2019 Through 29-11-2019",

year = "2019",

month = nov,

doi = "10.1109/ICECS46596.2019.8965115",

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Strbac, M, Isakovic, M, Malesevic, J, Keller, T, Ilic, V, Jorgovanovic, N & Dosen, S 2019, Compact electrotactile stimulation and EMG acquisition system with embedded blanking of stimulation artifacts. in 2019 26th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2019., 8965115, IEEE, pp. 863-866, 26th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2019, Genoa, Italy, 27/11/2019. https://doi.org/10.1109/ICECS46596.2019.8965115

Compact electrotactile stimulation and EMG acquisition system with embedded blanking of stimulation artifacts. / Strbac, Matija; Isakovic, Milica; Malesevic, Jovana et al.
2019 26th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2019. IEEE, 2019. p. 863-866 8965115.

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

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AB - We present a miniaturized closed-loop system for myoelectric control and electrotactile feedback in upper limb prostheses. The system integrates an electrotactile stimulator, which allows synchronous and asynchronous distribution of stimulation pulses, and an acquisition system for the simultaneous recording of multichannel EMG. The stimulator generates biphasic, current controlled pulses (amplitude: 0-5 mA; duration: 50-500 us; frequency: 1-100 Hz), which are routed by a demultiplexing circuitry to any of the 16 output channels. The acquisition system can be configured to record 8 bipolar or 16 monopolar EMG channels with a sampling frequency in the range from 500 Hz to 2 kHz. Embedded firmware incorporates direct calculation of ARV or RMS in the defined time window, as well as direct blanking of recording channels for the duration of the stimulation pulse artifact. Based on initial tests in a simple experimental setup we can determine that the developed system and proposed blanking algorithm can be used to record EMG signals during simultaneous delivery of electrical stimulation in challenging conditions (e.g., close electrode placement, high stimulation intensity).

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ER -

Compact electrotactile stimulation and EMG acquisition system with embedded blanking of stimulation artifacts

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