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When humans perform contact-rich manipulation tasks, customized tools are often necessary to simplify the task. For instance, we use various utensils for handling food, such as knives, forks and spoons. Similarly, robots may benefit from…

机器人学 · 计算机科学 2023-02-28 Mengxi Li , Rika Antonova , Dorsa Sadigh , Jeannette Bohg

Enabling autonomous robots to interact in unstructured environments with dynamic objects requires manipulation capabilities that can deal with clutter, changes, and objects' variability. This paper presents a comparison of different…

机器人学 · 计算机科学 2019-02-01 Michel Breyer , Fadri Furrer , Tonci Novkovic , Roland Siegwart , Juan Nieto

Manipulation of deformable Linear objects (DLOs), including iron wire, rubber, silk, and nylon rope, is ubiquitous in daily life. These objects exhibit diverse physical properties, such as Young$'$s modulus and bending stiffness.Such…

机器人学 · 计算机科学 2024-11-01 Mingen Li , Changhyun Choi

This paper proposes a new control framework for manipulating soft objects. A Deep Reinforcement Learning (DRL) approach is used to make the shape of a deformable object reach a set of desired points by controlling a robotic arm which…

Modular reconfigurable manipulators enable quick adaptation and versatility to address different application environments and tailor to the specific requirements of the tasks. Task performance significantly depends on the manipulator's…

机器人学 · 计算机科学 2024-12-17 Maolin Lei , Edoardo Romiti , Arturo Laurenz , Nikos G. Tsagarakis

Deformable Object Manipulation (DOM) is an important field of research as it contributes to practical tasks such as automatic cloth handling, cable routing, surgical operation, etc. Perception is considered one of the major challenges in…

机器人学 · 计算机科学 2023-10-27 Yulei Qiu , Jihong Zhu , Cosimo Della Santina , Michael Gienger , Jens Kober

Accurate deformable object manipulation (DOM) is essential for achieving autonomy in robotic surgery, where soft tissues are being displaced, stretched, and dissected. Many DOM methods can be powered by simulation, which ensures realistic…

机器人学 · 计算机科学 2024-05-31 Xiao Liang , Fei Liu , Yutong Zhang , Yuelei Li , Shan Lin , Michael Yip

Joint space trajectory optimization under end-effector task constraints leads to a challenging non-convex problem. Thus, a real-time adaptation of prior computed trajectories to perturbation in task constraints often becomes intractable.…

Parameterizing finger rolling and finger-object contacts in a differentiable manner is important for formulating dexterous manipulation as a trajectory optimization problem. In contrast to previous methods which often assume simplified…

机器人学 · 计算机科学 2024-12-11 Fan Yang , Thomas Power , Sergio Aguilera Marinovic , Soshi Iba , Rana Soltani Zarrin , Dmitry Berenson

Deformable Object Manipulation (DOM) is of significant importance to both daily and industrial applications. Recent successes in differentiable physics simulators allow learning algorithms to train a policy with analytic gradients through…

机器人学 · 计算机科学 2023-03-13 Siwei Chen , Yiqing Xu , Cunjun Yu , Linfeng Li , Xiao Ma , Zhongwen Xu , David Hsu

Combining a vision module inside a closed-loop control system for a \emph{seamless movement} of a robot in a manipulation task is challenging due to the inconsistent update rates between utilized modules. This task is even more difficult in…

机器人学 · 计算机科学 2024-06-21 Huy Hoang Nguyen , Minh Nhat Vu , Florian Beck , Gerald Ebmer , Anh Nguyen , Andreas Kugi

Multi-task learning of deformable object manipulation is a challenging problem in robot manipulation. Most previous works address this problem in a goal-conditioned way and adapt goal images to specify different tasks, which limits the…

机器人学 · 计算机科学 2024-01-30 Yuhong Deng , Kai Mo , Chongkun Xia , Xueqian Wang

Deformable object manipulation presents a unique set of challenges in robotic manipulation by exhibiting high degrees of freedom and severe self-occlusion. State representation for materials that exhibit plastic behavior, like modeling clay…

机器人学 · 计算机科学 2023-09-19 Alison Bartsch , Charlotte Avra , Amir Barati Farimani

Deformable object manipulation (DOM) represents a critical challenge in robotics, with applications spanning healthcare, manufacturing, food processing, and beyond. Unlike rigid objects, deformable objects exhibit infinite dimensionality,…

机器人学 · 计算机科学 2026-02-27 Ryan Paul McKennaa , John Oyekan

We propose a model-based approach to design feedback policies for dexterous robotic manipulation. The manipulation problem is formulated as reaching the target region from an initial state for some non-smooth nonlinear system. First, we use…

机器人学 · 计算机科学 2020-05-22 Weiqiao Han , Russ Tedrake

Moving a module in a modular robot is a very complex and error-prone process. Unlike in swarm, in the modular robots we are targeting, the moving module must keep the connection to, at least, one other module. In order to miniaturize each…

机器人学 · 计算机科学 2020-05-08 Benoit Piranda , Julien Bourgeois

Human-robot cooperation is essential in environments such as warehouses and retail stores, where workers frequently handle deformable objects like paper, bags, and fabrics. Coordinating robotic actions with human assistance remains…

机器人学 · 计算机科学 2025-11-06 Rewida Ali , Cristian C. Beltran-Hernandez , Weiwei Wan , Kensuke Harada

Motion planning and control are two core components of the robotic systems autonomy stack. The standard approach to combine these methodologies comprises an offline/open-loop stage, planning, that designs a feasible and safe trajectory to…

系统与控制 · 电气工程与系统科学 2023-10-23 Tianqi Zheng , John W. Simpson-Porco , Enrique Mallada

In this paper we present a Deep Reinforcement Learning approach to solve dynamic cloth manipulation tasks. Differing from the case of rigid objects, we stress that the followed trajectory (including speed and acceleration) has a decisive…

机器人学 · 计算机科学 2020-03-06 Rishabh Jangir , Guillem Alenya , Carme Torras

We present a planning and control framework for physics-based manipulation under uncertainty. The key idea is to interleave robust open-loop execution with closed-loop control. We derive robustness metrics through contraction theory. We use…

机器人学 · 计算机科学 2021-06-24 Wisdom C. Agboh , Mehmet R. Dogar