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Royal Academy of Medicine in Ireland - Section of bioengineering - Proceedings of meeting held in Dundalk, Co. Louth, in February 1998.

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IRISH JOURNAL OF MEDICAL science 1998年第4期167卷 256-276页

作者： [Anonymous] Orthopaedic Research Unit The Queen’s University of Belfast School of Biomedical Sciences The Queen’s University of Belfast Howmedica International Ltd. Raheen Industrial Estate Limerick Department of Mechanical Engineering Trinity College Dublin 2 Mater Hospital Dublin 7 Orthopaedic Research Laboratory Århus University Hospital Denmark University of Limerick Limerick Limerick Regional Hospital Raheen Limerick Boston Scientific Ireland Ltd. Galway Department of Mechanical Engineering University College Dublin Dublin Department of Electrical and Electronic Engineering University College Dublin Dublin Bioengineering Research Centre Department of Mechanical Engineering University College Dublin Dublin Northern Ireland Bio-Engineering Centre (NIBEC) School of Electrical and Mechanical Engineering University of Ulster Newtownabbey Department of Mechanical & Manufacturing Engineering The Ashby Building The Queen’s University of Belfast Johnson and Johnson Professional Orthopaedic Division Queensway England Department of Cardiology and Department of Medical Physics & Bioengineering St. James’s Hospital Dublin 8 Burke House Ellison Street Castlebar Royal College of Surgeons in Ireland Department of Surgery Beaumont Hospital Dublin Department of Electronic and Electrical Engineering Trinity College Dublin 2 Department of Aeronautical Engineering The Queen’s University of Belfast Vascular Unit Belfast City Hospital Department of Medical Physics and Bioengineering St. James’s Hospital Dublin 8 Centre for Biomedical Electronics Department of Electronic and Computer Engineering University of Limerick Limerick Department of Mechanical and Aeronautical Engineering University of Limerick Limerick School of Health Sciences University of Ulster Ireland School of Physiotherapy University of Ulster Newtownabbey Clinical Engineering NI Medical Physics Agency Belfast and Radiology Royal Victoria Hospital Musgrave Park Hospital University of Limerick Biomedical Institute (ULBMI) Uni

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Adaptive Hybrid Control of Manipulators On Uncertain Flexible Objects

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Advanced Robotics 1995年第5期10卷 469-485页

作者： Wu, Jianqing Luo, Zhiwei Yamakita, Masaki Ito, Koji Department of information and Computer Sciences Toyohashi University of Technology Tempaku-cho Toyohashi 441 Japan Bio-Mimetic Control Research Center The Institute of Physical and Chemical Research (RIKEN) Atsuta-ku Nagoya 456 8-31 Rokuban 3-chome Japan Faculty of Engineering Tokyo Institute of Technology Meguro-ku Tokyo 152 2-12-1 Oh-Okavama Japan Interdisciplinary Graduate School of Science and Engineering Tokyo Institute of Technology Yokohama 226 4295. Nagatsuta Midori-ku Japan

This paper presents an adaptive hybrid control approach for a robot manipulator to interact with its flexible object. Because of its flexibility, the object dynamics influence the robot’s control system, and since it is usually a distributed parameter system, the object dynamics as seen from the robot change when the robot moves. The problem becomes further complicated such that it is difficult to decompose the robot’s position and contact force control loops. In this paper, we approximate the object’s distributed parameter model into a lumped ‘position state-varying’ model. Then, by using the well-known nonlinear feedback compensation, we decompose the robot’s control space into a position control subspace and object torque control subspace. We design the optimal state feedback for the position control loop and control the robot’s contact force through controlling the resultant torque of the object. We use the model- reference simple adaptive control strategy to control the torque control loop. We also study the problem on how to select a reasonable reference model for this control loop. Experiments of a PUMA robot interacting with an aluminum beam show the effectiveness of our approach. © 1996, VSP and Robotics Society of Japan.

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