Huang Yunfei

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The steel industry is an important industry to the people's livelihood. In the collaborative commerce environment, study of collaborative commerce platform for steel supply chain has an important practical significance. In this paper, collaborative commerce and supply chain management theory is studied, and supply chain management of present stage of(More)
This article presents a novel design and development on bioimpedance-based wheelchair control for the disabled people and the elderly. We use three electrodes to measure two channels of bioimpedance from the trapezius muscle. Bioimpedance changes when there is a movement in the segment of trapezius muscle. We can classify six types of motions resulting in(More)
We present a new method, which is based on bioelectrical impedance of the trapezius muscles, to control wheelchair for the disabled people and the elderly. In our application, three electrodes were used for detecting the changes in movements of left and right trapezius muscles. The modified Howland current bridge supplies the 0.5 mA ac current for the(More)
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