The purpose of this work is to introduce a new parallel actuated exoskeleton architecture that can be used for multiple degree-of-freedom (DoF) biological joints. This is done in an effort to provide a better alternative for the augmentation of these joints than serial actuation. The new design can be described as a type of spherical parallel manipulator (SPM) that utilizes three 4 bar substructures to decouple and control three rotational DoFs. Four variations of the 4 bar spherical parallel manipulator (4B-SPM) are presented in this work. These include a shoulder, hip, wrist, and ankle exoskeleton. Also discussed are three different methods of actuation for the 4B-SPM, which can be implemented depending on dynamic performance requirements. This work could assist in the advancement of a future generation of parallel actuated exoskeletons that are more effective than their contemporary serial actuated counterparts.
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October 2018
Research-Article
A New Parallel Actuated Architecture for Exoskeleton Applications Involving Multiple Degree-of-Freedom Biological Joints
Justin Hunt,
Justin Hunt
School for Engineering of Matter,
Transport, and Energy,
Arizona State University,
Tempe, AZ 85281
e-mail: jphunt3@asu.edu
Transport, and Energy,
Arizona State University,
Tempe, AZ 85281
e-mail: jphunt3@asu.edu
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Hyunglae Lee
Hyunglae Lee
School for Engineering of Matter,
Transport, and Energy,
Arizona State University,
Tempe, AZ 85281
e-mail: Hyunglae.Lee@asu.edu
Transport, and Energy,
Arizona State University,
Tempe, AZ 85281
e-mail: Hyunglae.Lee@asu.edu
Search for other works by this author on:
Justin Hunt
School for Engineering of Matter,
Transport, and Energy,
Arizona State University,
Tempe, AZ 85281
e-mail: jphunt3@asu.edu
Transport, and Energy,
Arizona State University,
Tempe, AZ 85281
e-mail: jphunt3@asu.edu
Hyunglae Lee
School for Engineering of Matter,
Transport, and Energy,
Arizona State University,
Tempe, AZ 85281
e-mail: Hyunglae.Lee@asu.edu
Transport, and Energy,
Arizona State University,
Tempe, AZ 85281
e-mail: Hyunglae.Lee@asu.edu
1Corresponding author.
Contributed by the Mechanisms and Robotics Committee of ASME for publication in the JOURNAL OF MECHANISMS AND ROBOTICS. Manuscript received January 17, 2018; final manuscript received June 25, 2018; published online August 6, 2018. Assoc. Editor: K. H. Low.
J. Mechanisms Robotics. Oct 2018, 10(5): 051017 (10 pages)
Published Online: August 6, 2018
Article history
Received:
January 17, 2018
Revised:
June 25, 2018
Citation
Hunt, J., and Lee, H. (August 6, 2018). "A New Parallel Actuated Architecture for Exoskeleton Applications Involving Multiple Degree-of-Freedom Biological Joints." ASME. J. Mechanisms Robotics. October 2018; 10(5): 051017. https://doi.org/10.1115/1.4040701
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