Diff-lfd: Contact-aware model-based learning from visual demonstration for robotic manipulation via differentiable physics-based simulation and rendering

X Zhu, JH Ke, Z Xu, Z Sun, B Bai, J Lv… - … on Robot Learning, 2023 - proceedings.mlr.press
Abstract Learning from Demonstration (LfD) is an efficient technique for robots to acquire
new skills through expert observation, significantly mitigating the need for laborious manual …

Learning to grasp the ungraspable with emergent extrinsic dexterity

W Zhou, D Held - Conference on Robot Learning, 2023 - proceedings.mlr.press
A simple gripper can solve more complex manipulation tasks if it can utilize the external
environment such as pushing the object against the table or a vertical wall, known as" …

Learning reusable manipulation strategies

J Mao, T Lozano-Pérez… - … on Robot Learning, 2023 - proceedings.mlr.press
Humans demonstrate an impressive ability to acquire and generalize manipulation “tricks.”
Even from a single demonstration, such as using soup ladles to reach for distant objects, we …

Generalized Procedure for Determining the Collision-Free Trajectory for a Robotic Arm

YM Al-Sharo, AT Abu-Jassar, S Sotnik… - Tikrit Journal of …, 2023 - tj-es.com
Robotic systems play an important role in the development and modernization processes of
production, facilitation of labor, and human life. The robotic manipulators are outstanding …

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 …

Towards tight convex relaxations for contact-rich manipulation

BP Graesdal, SYC Chia, T Marcucci, S Morozov… - arXiv preprint arXiv …, 2024 - arxiv.org
We present a method for global motion planning of robotic systems that interact with the
environment through contacts. Our method directly handles the hybrid nature of such tasks …

Learning preconditions of hybrid force-velocity controllers for contact-rich manipulation

J Liang, X Cheng, O Kroemer - arXiv preprint arXiv:2206.12728, 2022 - arxiv.org
Robots need to manipulate objects in constrained environments like shelves and cabinets
when assisting humans in everyday settings like homes and offices. These constraints make …

Quasi-static soft fixture analysis of rigid and deformable objects

Y Dong, FT Pokorny - 2024 IEEE International Conference on …, 2024 - ieeexplore.ieee.org
We present a sampling-based approach to reasoning about the caging-based manipulation
of rigid and a simplified class of deformable 3D objects subject to energy constraints …

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 …