基于可拆卸柔性梳状海绵电极的高集成脑机接口防护头盔研发

doi:10.3969/j.issn.0258-8021.2026.04.006

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Abstract Aiming to solve core problems faced in the integration of brain-computer interface (BCI) and protective helmets, such as portable electrode replacement, small hardware anti-interference, stable signal transmission and wearing comfort, this paper proposed an innovative solution of "integration of detachable flexible comb-shaped sponge electrodes and highly integrated amplifiers". The electrode used an elastic sponge-flexible silicone substrate, flexible metal wires, and a comb-shaped distributed layout, improving comfort while ensuring signal quality. The amplifier, with high-integration components and a simplified circuit, achieved a volume of 6.6 cm×5.2 cm×1.2 cm, a common-mode rejection ratio exceeding 110 dB, a system battery life of 29.3 hours, and a 0.1%~0.2% packet loss rate. Wearing comfort evaluation and preparation time tests on 10 subjects showed an average preparation time of (2.28±0.48)minutes, demonstrating good usability and applicability. The unmanned aerial vehicle (UAV) control experiment based on steady-state visual evoked potential (SSVEP) verified that the average control accuracy for the 10 subjects reached 90.88%±2.61%. The system was able to operate stably and reliably, providing an effective technical path for the deep integration of BCI and protective equipment.

Key words： brain-computer interface detachable flexible comb-shaped sponge electrode high-integration high-performance amplifier

Received: 20 December 2025

PACS:

R318

Corresponding Authors: ^*E-mail: xmp52637@tju.edu.cn

About author:: ^#Member,Chinese Society of Biomedical Engineering

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	Articles by authors
	Yuan Xuezhi
	Li Hui
	Tang Qi
	Chen Jie
	Wang Kun
	Xiao Xiaolin
	Xu Minpeng
	Fan Yi
	Bai Ru
	Wang Junlei

Cite this article:

Yuan Xuezhi,Li Hui,Tang Qi, et al. Development of a Highly Integrated Brain-Computer Interface Protective Helmet Based onDetachable Flexible Comb-Shaped Sponge Electrodes[J]. Chinese Journal of Biomedical Engineering, 2026, 45(4): 457-468.

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http://cjbme.csbme.org/EN/10.3969/j.issn.0258-8021.2026.04.006 OR http://cjbme.csbme.org/EN/Y2026/V45/I4/457

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