Title
A high performance 2-dof over-actuated parallel mechanism for ankle rehabilitation
Abstract
This paper presents the mechanical design of an ankle rehabilitation robotic device based on a 2-dof, redundantly actuated parallel mechanism. The parallel mechanism introduced in this paper has the advantage of mechanical and kinematic simplicity when compared to existing platforms while at the same time it is fully capable of carrying out all the exercises required by ankle rehabilitation protocols. The proposed device makes use of actuation redundancy to eliminate singularity and greatly improve the workspace dexterity. In addition, the requirements for high torque capacity and back-drivability are satisfied with the employment of a custom made cable driven linear electric actuator that combines the high force capacity with excellent back-drivability. The analysis undergoes the optimal design towards the maximization of manipulator workspace, dexterity, torque output and compactness of the device. Finally, the performance of the custom linear actuator and the prototype of the rehabilitation device are shown.
Year
DOI
Venue
2009
10.1109/ROBOT.2009.5152604
Kobe
Keywords
Field
DocType
control system synthesis,dexterous manipulators,electric actuators,linear systems,medical robotics,optimal control,optimisation,patient care,patient rehabilitation,redundant manipulators,torque control,ankle rehabilitation robotic device,back-drivability,high performance 2-dof over-redundantly actuated parallel mechanism,kinematic simplicity,linear electric actuator,manipulator workspace maximization,mechanical design,optimal design,patient care,torque capacity,workspace dexterity
Linear actuator,Torque,Kinematics,Valve actuator,Control theory,Workspace,Simulation,Control engineering,DC motor,Redundancy (engineering),Engineering,Actuator
Conference
Volume
Issue
ISSN
2009
1
1050-4729 E-ISBN : 978-1-4244-2789-5
ISBN
Citations 
PageRank 
978-1-4244-2789-5
15
1.15
References 
Authors
3
4
Name
Order
Citations
PageRank
Jody A. Saglia1151.15
NG Tsagarakis21492159.09
Jian S. Dai317830.53
Darwin G. Caldwell42900319.72