Global planning for contact-rich manipulation via local smoothing of quasi-dynamic contact models

T Pang, HJT Suh, L Yang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The empirical success of reinforcement learning (RL) in contact-rich manipulation leaves
much to be understood from a model-based perspective, where the key difficulties are often …

Contactnets: Learning discontinuous contact dynamics with smooth, implicit representations

S Pfrommer, M Halm, M Posa - Conference on Robot …, 2021 - proceedings.mlr.press
Common methods for learning robot dynamics assume motion is continuous, causing
unrealistic model predictions for systems undergoing discontinuous impact and stiction …

Contact mode guided motion planning for quasidynamic dexterous manipulation in 3d

X Cheng, E Huang, Y Hou… - … Conference on Robotics …, 2022 - ieeexplore.ieee.org
This paper presents Contact Mode Guided Manipulation Planning (CMGMP) for 3D
quasistatic and quasi-dynamic rigid body motion planning in dexterous manipulation. The …

Enhancing dexterity in robotic manipulation via hierarchical contact exploration

X Cheng, S Patil, Z Temel, O Kroemer… - IEEE Robotics and …, 2023 - ieeexplore.ieee.org
Planning robot dexterity is challenging due to the non-smoothness introduced by contacts,
intricate fine motions, and ever-changing scenarios. We present a hierarchical planning …

Manipulation with shared grasping

Y Hou, Z Jia, MT Mason - arXiv preprint arXiv:2006.02996, 2020 - arxiv.org
A shared grasp is a grasp formed by contacts between the manipulated object and both the
robot hand and the environment. By trading off hand contacts for environmental contacts, a …

Autogenerated manipulation primitives

E Huang, X Cheng, Y Mao, A Gupta… - … Journal of Robotics …, 2023 - journals.sagepub.com
The central theme in robotic manipulation is that of the robot interacting with the world
through physical contact. We tend to describe that physical contact using specific words that …

[图书][B] Grasp stability analysis with passive reactions

M Haas-Heger - 2021 - search.proquest.com
Despite decades of research robotic manipulation systems outside of highly structured
industrial applications are still far from ubiquitous. Perhaps particularly curious is the fact that …

Simultaneous trajectory optimization and contact selection for multi-modal manipulation planning

M Zhang, DK Jha, AU Raghunathan… - arXiv preprint arXiv …, 2023 - arxiv.org
Complex dexterous manipulations require switching between prehensile and non-
prehensile grasps, and sliding and pivoting the object against the environment. This paper …

Differentiable Compliant Contact Primitives for Estimation and Model Predictive Control

K Haninger, K Samuel, F Rozzi, S Oh… - arXiv preprint arXiv …, 2023 - arxiv.org
Control techniques like MPC can realize contact-rich manipulation which exploits dynamic
information, maintaining friction limits and safety constraints. However, contact geometry and …

[PDF][PDF] Contact mode guided motion planning for dexterous manipulation

X Cheng, E Huang, Y Hou, MT Mason - arXiv preprint arXiv …, 2021 - academia.edu
Within the field of robotic manipulation, a central goal is to replicate the human ability to
manipulate any object in any situation using a sequence of manipulation primitives such as …