Dr Aghil Jafari Aghil.Jafari@uwe.ac.uk
Senior Lecturer in Robotics
Hybrid force-motion control of coordinated robots interacting with unknown environments
Jafari, Aghil; Ryu, Jee Hwan
Authors
Jee Hwan Ryu
Abstract
© 2014 Institute of Control, Robotics and Systems (ICROS). This paper presents a unified framework for system design and control in cooperative robotic systems. It introduces a highly general cooperative system configuration involving any number of manipulators grasping a rigid object in contact with a deformable working surface whose real physical parameters are unknown. Dynamics of the closed chain mechanism is expressed based on the object's center of mass, and different robust controllers are designed for position and force control subspaces. The position controller is composed of a sliding mode control term, and involves the position and velocity feedback of end-effector, while the force control is developed based on the highest derivative in feedback methodology. The force controller does not use any derivation of the force signal as well as the internal force controller induced in the system, and it appears to be very practical. Simulation results for two three joint arms moving a rigid object are presented to validate the theoretical results.
Citation
Jafari, A., & Ryu, J. H. (2014). Hybrid force-motion control of coordinated robots interacting with unknown environments. https://doi.org/10.1109/ICCAS.2014.6987966
Journal Article Type | Conference Paper |
---|---|
Conference Name | Control, Automation and Systems (ICCAS), 2014 14th International Conference on |
Acceptance Date | Oct 22, 2014 |
Online Publication Date | Dec 18, 2014 |
Publication Date | Jan 1, 2014 |
Deposit Date | Sep 1, 2017 |
Journal | International Conference on Control, Automation and Systems |
Print ISSN | 2093-7121 |
Peer Reviewed | Peer Reviewed |
Pages | 99-104 |
DOI | https://doi.org/10.1109/ICCAS.2014.6987966 |
Keywords | hybrid, force-motion, control, coordinated robots, interacting, unknown environments |
Public URL | https://uwe-repository.worktribe.com/output/810271 |
Publisher URL | http://dx.doi.org/10.1109/ICCAS.2014.6987966 |
Additional Information | Title of Conference or Conference Proceedings : 2014 14th International Conference on Control, Automation and Systems (ICCAS) |
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