Contact sensing and grasping performance of compliant hands

DSpace/Manakin Repository

Contact sensing and grasping performance of compliant hands

Citable link to this page

 

 
Title: Contact sensing and grasping performance of compliant hands
Author: Dollar, Aaron M.; Jentoft, Leif Patrick; Gao, Jason Hao; Howe, Robert D.

Note: Order does not necessarily reflect citation order of authors.

Citation: Dollar, Aaron M., Leif P. Jentoft, Jason H. Gao, and Robert D. Howe. 2009. “Contact Sensing and Grasping Performance of Compliant Hands.” Auton Robot 28 (1) (August 26): 65–75. doi:10.1007/s10514-009-9144-9.
Full Text & Related Files:
Abstract: Limitations in modern sensing technologies result in large errors in sensed target object geometry and location in unstructured environments. As a result, positioning a robotic end-effector includes inherent error that will often lead to unsuccessful grasps. In previous work, we demonstrated that optimized configuration, compliance, viscosity, and adaptability in the mechanical structure of a robot hand facilitates reliable grasping in unstructured environments, even with purely feedforward control of the hand. In this paper we describe the addition of a simple contact sensor to the fingerpads of the SDM Hand (Shape Deposition Manufactured Hand), which, along with a basic control algorithm, significantly expands the grasp space of the hand and reduces contact forces during the acquisition phase of the grasp. The combination of the passive mechanics of the SDM Hand along with this basic sensor suite enables positioning errors of over 5 cm in any direction. In the context of mobile manipulation, the performance demonstrated here may reduce the need for much of the complex array of sensing currently utilized on mobile platforms, greatly increase reliability, and speed task execution, which can often be prohibitively slow.
Published Version: doi:10.1007/s10514-009-9144-9
Other Sources: http://biorobotics.harvard.edu/pubs/2010/journal/dollar_AR2010.pdf
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:22085976
Downloads of this work:

Show full Dublin Core record

This item appears in the following Collection(s)

 
 

Search DASH


Advanced Search
 
 

Submitters