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题名: Hierarchical projection regression for online estimation of elbow joint angle using EMG signals
作者: Chen Y(陈洋) ; Zhao XG(赵新刚) ; Han JD(韩建达)
作者部门: 机器人学研究室
关键词: Algorithms ; Handicapped persons ; Regression analysis
刊名: Neural Computing and Applications
ISSN号: 0941-0643
出版日期: 2013
卷号: 23, 期号:3-4, 页码:1129-1138
收录类别: EI
产权排序: 2
摘要: Exoskeletons offer great facilities to the elderly and disabled people with respect to extending their moving ranges and reacting to certain physical activities. Electromyogram (EMG) signals, which are derived from the neuromuscular system, provide an important access to the human-robot interface. On one hand, EMG signals can be used for real-time estimation of the motion intention of human body, e.g., the current joint angle status. On the other hand, however, the process of the mass EMG data, which are captured instantaneously from skin surface, challenges the state-of-the-art technology. Because its non-stationary and randomness, it is difficult to extract the valuable and stable features from the raw EMG signals. This paper investigates into the learning process of high dimensional EMG signals with a hierarchical mechanism that projects the original data into a lower feature space to achieve a local refined mapping from the EMG signals to the motion states of the human body. This hierarchically projected regression algorithm constructs incrementally a tree-based knowledge library, whose components represent local regression models. The components will be retrieved online efficiently and contribute to the estimation of the motion states. A great number of experiments are carried out to evaluate the accuracy of this novel algorithm. © 2012 Springer-Verlag London Limited.
语种: 英语
WOS记录号: WOS:000324794200057
WOS标题词: Science & Technology ; Technology
类目[WOS]: Computer Science, Artificial Intelligence
关键词[WOS]: EXOSKELETON ROBOT ; MUSCLE FORCES ; MOTION ASSIST ; MOMENTS ; MODEL
研究领域[WOS]: Computer Science
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/14058
Appears in Collections:机器人学研究室_期刊论文

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Recommended Citation:
陈洋; 赵新刚; 韩建达.Hierarchical projection regression for online estimation of elbow joint angle using EMG signals,Neural Computing and Applications,2013,23(3-4):1129-1138
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