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Energy-Efficient Design and Control of a Vibro-Driven Robot

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Author
Liu, Pengcheng
Neumann, Gerhard
Fu, Qinbing
Pearson, Simon
Yu, Hongnian
Date
2019-01-07
Acceptance date
2018
Type
Conference paper
Publisher
IEEE
Metadata
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Abstract
Vibro-driven robotic (VDR) systems use stick-slip motions for locomotion. Due to the underactuated nature of the system, efficient design and control are still open problems. We present a new energy preserving design based on a spring-augmented pendulum. We indirectly control the friction-induced stick-slip motions by exploiting the passive dynamics in order to achieve an improvement in overall travelling distance and energy efficacy. Both collocated and non-collocated constraint conditions are elaborately analysed and considered to obtain a desired trajectory generation profile. For tracking control, we develop a partial feedback controller which for the pendulum which counteracts the dynamic contributions from the platform. Comparative simulation studies show the effectiveness and intriguing performance of the proposed approach, while its feasibility is experimentally verified through a physical robot. Our robot is to the best of our knowledge the first nonlinear-motion prototype in literature towards the VDR systems.
Journal/conference proceeding
2018 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS);
Citation
Liu, P., Neumann, G., Fu, Q., Pearson, S. and Yu, H. (2018) 'Energy-Efficient Design and Control of a Vibro-Driven Robot', In 2018 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) Madrid, Spain. (pp. 1464-1469). IEEE.
URI
http://hdl.handle.net/10369/10228
DOI
https://doi.org/10.1109/IROS.2018.8594322
Description
Paper published in 2018 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), available at https://doi.org/10.1109/IROS.2018.8594322
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  • School of Technologies Research [166]

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