Hybrid brain-machine interface driven rehabilitation assistive robot

By combining a dynamic spatiotemporal graph model with multimodal perception and common sense knowledge fusion, the shortcomings of existing rehabilitation robots in terms of interaction reliability, environmental adaptability and operational precision are solved. It realizes intelligent user intent interpretation and environmental cognition, and improves the safety and intelligence of rehabilitation assistive robots.

CN122398595APending Publication Date: 2026-07-17ZHEJIANG NORMAL UNIV
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Patent Information

Application Number
CN202610752258.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-05-28
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing rehabilitation robots have deficiencies in terms of interaction reliability, environmental adaptability, decision-making intelligence, and operational precision. They cannot effectively distinguish between conscious control and unconscious physiological activities, lack environmental contextual understanding, lack a unified state model, lack guidance from physical common sense during operation, and provide crude and unsafe feedback.

Method used

Using a dynamic spatiotemporal graph as a unified cognitive model, the system collects signals through a multimodal perception module, constructs and updates the dynamic spatiotemporal graph, and combines a common sense knowledge fusion module and graph neural network reasoning to achieve intelligent parsing of user intent, robust cognition of the environment, and adaptive and precise execution of operations.

Benefits of technology

It improves the reliability and naturalness of interaction, achieves stable target perception and positioning in complex environments, ensures motion safety, enables safe and stable grasping of diverse objects, and reduces user cognitive load and operational fatigue.

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Abstract

本发明公开了一种混合脑机接口驱动的康复辅助机器人,涉及康复辅助机器人技术领域,多模态感知模块,用于采集用户脑电、眼动、环境视觉及触觉信息;动态时空图谱构建与更新模块,用于构建并增量维护一个以场景实体为节点、多元关系为边的环境图谱,并通过多头注意力机制挖掘节点间潜在关联;常识知识融合模块,用于从外部知识库检索物理属性等知识并融入图谱;图谱推理与决策模块,其核心为图神经网络编码器,用于更新图谱节点嵌入,并基于此进行意图解码、自适应运动规划与精细操作控制;执行模块,用于执行指令;本发明通过图谱认知核心实现了对混合信号的智能解析与环境的深度理解,显著提升了系统的鲁棒性、安全性与操作精细度。
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