Chinese Journal of Tissue Engineering Research ›› 2011, Vol. 15 ›› Issue (26): 4837-4840.doi: 10.3969/j.issn.1673-8225.2011.26.022

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Application of shifted band-limited multiple fourier linear combiner in pre-estimation and filtering of human tremor

Zhao Jie, Yang Bo, Li Jun-qiang, Yan Ji-hong, Zhu Yan-he   

  1. State Key Laboratory of Robotics and System (HIT), Harbin Institute of Technology, Harbin  150080, Heilongjiang Province, China
  • Received:2010-12-01 Revised:2011-03-30 Online:2011-06-25 Published:2011-06-25
  • Contact: Yang Bo, Master, State Key Laboratory of Robotics and System (HIT), Harbin Institute of Technology, Harbin 150080, Heilongjiang Province, China wind1896@163.com
  • About author:Zhao Jie☆, Doctor, Professor, Doctoral supervisor, State Key Laboratory of Robotics and System (HIT), Harbin Institute of Technology, Harbin 150080, Heilongjiang Province, China jzhao@hit.edu.cn
  • Supported by:

    the National Natural Science Foundation of China, No. 60975067*; Doctor Program Foundation, Ministry of Education, No. 20070213086*

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Abstract:

BACKGROUND: To suppress the human tremor, researchers all over the world devote themselves to develop a wearable tremor-suppression orthosis.
OBJECTIVE: To introduce and modify commonly used Fourier linear combiner and a series of derived algorithms.
METHODS: The weighted Fourier linear combiner was introduced into a new algorithm, shifted bandlimited multiple Fourier linear combiner. Iterative process could change as the object changed. A certain bandwidth constraint was set to ensure the filtering properties of the algorithm, limiting the bandwidth range.
RESULTS AND CONCLUSION: The shifted bandlimited multiple Fourier linear combiner is more adaptive and accurate for the tremor filtering and estimation.

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