Tossingbot: Learning to throw arbitrary objects with residual physics

A Zeng, S Song, J Lee, A Rodriguez… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
We investigate whether a robot arm can learn to pick and throw arbitrary rigid objects into
selected boxes quickly and accurately. Throwing has the potential to increase the physical …

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 …

Augmenting physical simulators with stochastic neural networks: Case study of planar pushing and bouncing

A Ajay, J Wu, N Fazeli, M Bauza… - 2018 IEEE/RSJ …, 2018 - ieeexplore.ieee.org
An efficient, generalizable physical simulator with universal uncertainty estimates has wide
applications in robot state estimation, planning, and control. In this paper, we build such a …

Combining physical simulators and object-based networks for control

A Ajay, M Bauza, J Wu, N Fazeli… - … on Robotics and …, 2019 - ieeexplore.ieee.org
Physics engines play an important role in robot planning and control; however, many real-
world control problems involve complex contact dynamics that cannot be characterized …

Real-time deformable-contact-aware model predictive control for force-modulated manipulation

L Wijayarathne, Z Zhou, Y Zhao… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The force modulation of robotic manipulators has been extensively studied for several
decades. However, it is not yet commonly used in safety-critical applications due to a lack of …

Generalization bounded implicit learning of nearly discontinuous functions

B Bianchini, M Halm, N Matni… - Learning for Dynamics …, 2022 - proceedings.mlr.press
Inspired by recent strides in empirical efficacy of implicit learning in many robotics tasks, we
seek to understand the theoretical benefits of implicit formulations in the face of nearly …

Simultaneous learning of contact and continuous dynamics

B Bianchini, M Halm, M Posa - Conference on Robot …, 2023 - proceedings.mlr.press
Robotic manipulation can greatly benefit from the data efficiency, robustness, and
predictability of model-based methods if robots can quickly generate models of novel objects …

Fundamental limitations in performance and interpretability of common planar rigid-body contact models

N Fazeli, S Zapolsky, E Drumwright… - Robotics Research: The …, 2020 - Springer
The ability to reason about and predict the outcome of contacts is paramount to the
successful execution of many robot tasks. Analytical rigid-body contact models are used …

[图书][B] Learning visual affordances for robotic manipulation

A Zeng - 2019 - search.proquest.com
A human's remarkable ability to manipulate unfamiliar objects with little prior knowledge of
them is a constant inspiration for robotics research. Despite the interest of the research …

Semiparametrical gaussian processes learning of forward dynamical models for navigating in a circular maze

D Romeres, DK Jha, A DallaLibera… - … on Robotics and …, 2019 - ieeexplore.ieee.org
This paper presents a problem of model learning for the purpose of learning how to navigate
a ball to a goal state in a circular maze environment with two degrees of freedom. The …