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 …

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 …

Dexterous manipulation for multi-fingered robotic hands with reinforcement learning: A review

C Yu, P Wang - Frontiers in Neurorobotics, 2022 - frontiersin.org
With the increasing demand for the dexterity of robotic operation, dexterous manipulation of
multi-fingered robotic hands with reinforcement learning is an interesting subject in the field …

Visual dexterity: In-hand reorientation of novel and complex object shapes

T Chen, M Tippur, S Wu, V Kumar, E Adelson… - Science Robotics, 2023 - science.org
In-hand object reorientation is necessary for performing many dexterous manipulation tasks,
such as tool use in less structured environments, which remain beyond the reach of current …

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 novel method for global motion planning of robotic systems that interact with
the environment through contacts. Our method directly handles the hybrid nature of such …

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 …

Task-Oriented Tool Manipulation With Robotic Dexterous Hands: A Knowledge Graph Approach From Fingers to Functionality

F Yang, W Chen, H Lin, S Wu, X Li… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
A primary challenge in robotic tool use is achieving precise manipulation with dexterous
robotic hands to mimic human actions. It requires understanding human tool use and …

Tailored presolve techniques in branch‐and‐bound method for fast mixed‐integer optimal control applications

R Quirynen, S Di Cairano - Optimal Control Applications and …, 2023 - Wiley Online Library
Mixed‐integer model predictive control (MI‐MPC) can be a powerful tool for controlling
hybrid systems. In case of a linear‐quadratic objective in combination with linear or …

Torque-limited manipulation planning through contact by interleaving graph search and trajectory optimization

R Natarajan, GLH Johnston, N Simaan… - … on Robotics and …, 2023 - ieeexplore.ieee.org
Robots often have to perform manipulation tasks in close proximity to people (Fig 1). As
such, it is desirable to use a robot arm that has limited joint torques so as to not injure the …