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“阿凡达”是美国科幻电影中构想出来的一种能利用人的意识控制克隆生物体的脑电系统。为实现此套系统功能,提出了全息脑控阿凡达机器人系统设计方案,由可穿戴脑电设备及人形机器人组成。基于ARM Cortex m3的可穿戴脑电设备集成了μV级别高速高精度脑电采集放大电路,实现脑电信号精确解析。基于STM32的智能人形机器人集成了音视频和温湿度等多种传感器,可实现环境信息的实时采集反馈。两者通过无线通信,实现远程脑控。经实验测试,基于稳态视觉诱发和运动想象两种脑电现象的平均识别准确率分别可达93%和78%,并能正确控制机器人执行相应动作,且各传感器参数能正确反馈。分析可知,本方案合理可行,实现了预期功能,是国内第一个实现的具有完整自主知识产权的全息脑控阿凡达机器人系统。
Avatar is an EEG system conceived in the United States of America science fiction film that uses human consciousness to control cloned organisms. In order to realize this set of system functions, a holographic brain control Avatar robot system design scheme is proposed, which is composed of a wearable EEG device and a humanoid robot. The wearable EEG device based on ARM Cortex m3 integrates a μV-level high-speed and high-precision EEG acquisition and amplification circuit for precise analysis of EEG signals. Based on the STM32 intelligent humanoid robot integrates audio and video and temperature and humidity sensors, enabling real-time environmental information collection and feedback. Both through wireless communication, to achieve remote brain control. The experimental results show that the average recognition accuracy of both EEG images based on steady-state visual evoked and moving images is up to 93% and 78% respectively, and the robots can be properly controlled to perform corresponding actions, and the sensor parameters can be correctly fed back. Analysis shows that this scheme is reasonable and feasible, and realized the expected function. It is the first holographic brainstorming Avatar robot system with complete independent intellectual property rights in China.