Contactopt: Optimizing contact to improve grasps

P Grady, C Tang, CD Twigg, M Vo… - Proceedings of the …, 2021 - openaccess.thecvf.com
Physical contact between hands and objects plays a critical role in human grasps. We show
that optimizing the pose of a hand to achieve expected contact with an object can improve …

Bioinspired high-degrees of freedom soft robotic glove for restoring versatile and comfortable manipulation

DH Kim, Y Lee, HS Park - Soft robotics, 2022 - liebertpub.com
The human hand is one of the most complex and compact grippers that has arisen as a
product of natural genetic engineering; it is highly versatile, as it handles power and …

Soft grasping mechanism of human fingers for tomato-picking bionic robots

Z Hou, Z Li, T Fadiji, J Fu - Computers and Electronics in Agriculture, 2021 - Elsevier
Soft grasping is a great challenge for picking robots and its bionic inspiration originates from
human fingers. In this study, the hand was scanned to obtain the internal structure of fingers …

PressureVision: estimating hand pressure from a single RGB image

P Grady, C Tang, S Brahmbhatt, CD Twigg… - … on Computer Vision, 2022 - Springer
People often interact with their surroundings by applying pressure with their hands. While
hand pressure can be measured by placing pressure sensors between the hand and the …

Dexterous robotic grasping of delicate fruits aided with a multi-sensory e-glove and manual grasping analysis for damage-free manipulation

W Zheng, Y Xie, B Zhang, J Zhou, J Zhang - Computers and Electronics in …, 2021 - Elsevier
Gripping control of the manipulator is still a technical problem in its research field. Accurate,
efficient, and lossless crawling remains a challenge due to the difficulty of controlling grip …

System for the experimental evaluation of anthropomorphic hands. Application to a new 3D-printed prosthetic hand prototype

I Llop-Harillo, A Pérez-González - International Biomechanics, 2017 - Taylor & Francis
In the present study, we propose a new actuation device and protocol for testing the
grasping performance of low-cost 3D-printed hand prototypes. The actuation device is …

A preliminary survey on hand grip and hand-tool morphometrics in three different stone tools

M Silva-Gago, A Fedato, J Rios-Garaizar… - Journal of Archaeological …, 2019 - Elsevier
Humans have evolved a distinctive relationship with “objects”(tools and technology), which
has strongly influenced their anatomical and cognitive capacities. The human hand is …

Analysis of subject specific grasping patterns

Y Herbst, L Zelnik-Manor, A Wolf - Plos one, 2020 - journals.plos.org
Existing haptic feedback devices are limited in their capabilities and are often cumbersome
and heavy. In addition, these devices are generic and do not adapt to the users' grasping …

Variations in the Biomechanics of 16 Palmar Hand Regions Related to Tomato Picking

X An, Z Li, J Fu, T Fadiji, S Zhang - Journal of Bionic Engineering, 2023 - Springer
The aim of this study is to systematically reveal the differences in the biomechanics of 16
hand regions related to bionic picking of tomatoes. The biomechanical properties (peak …

Simulating finger-tip force using two common contact models: Hunt-Crossley and elastic foundation

KA Hao, JA Nichols - Journal of biomechanics, 2021 - Elsevier
Musculoskeletal models of the hand rarely include fingerpad contact mechanics, thereby
limiting our ability to simulate and examine hand-object interactions. The objective of this …