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A posture planning method in clustered synergy subspace for HIT/DLR hand II

  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this paper, a dexterous hand posture planning method in clustered synergy subspace is proposed, and the HIT/DLR Hand II is used as verification platform. Firstly, posture dataset of the hand is obtained by recording the hand’s motion while human teleoperating it. Secondly, the synergy subspace of the hand is created by applying Gaussian process latent variable model on posture data. Thirdly, the data in synergy subspace is further clustered by K-means, because similarities between different postures can be predicted from their inter-distance in synergy subspace. Finally, posture of the dexterous hand is generated from the synergy-level data in specific cluster instead of the whole subspace. To evaluate the method proposed in this paper, comparation of posture reconstruction error between this method and directly posture planning in synergy space is shown. The results show that method proposed in this paper is more accurate and anthropomorphic, and the control paraments of the hand have been considerable reduced.

Original languageEnglish
Title of host publicationIntelligent Robotics and Applications - 12th International Conference, ICIRA 2019, Proceedings
EditorsHaibin Yu, Jinguo Liu, Lianqing Liu, Yuwang Liu, Zhaojie Ju, Dalin Zhou
PublisherSpringer Verlag
Pages134-145
Number of pages12
ISBN (Print)9783030275280
DOIs
StatePublished - 2019
Event12th International Conference on Intelligent Robotics and Applications, ICIRA 2019 - Shenyang, China
Duration: 8 Aug 201911 Aug 2019

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume11745 LNAI
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference12th International Conference on Intelligent Robotics and Applications, ICIRA 2019
Country/TerritoryChina
CityShenyang
Period8/08/1911/08/19

Keywords

  • Dexterous hands
  • Dimensional reduction
  • Posture planning

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