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Related papers: Sampling-based Planning of In-Hand Manipulation wi…

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Manipulation planning and control are relevant building blocks of a robotic system and their tight integration is a key factor to improve robot autonomy and allows robots to perform manipulation tasks of increasing complexity, such as those…

Sampling-based planners are effective in many real-world applications such as robotics manipulation, navigation, and even protein modeling. However, it is often challenging to generate a collision-free path in environments where key areas…

Robotics · Computer Science 2021-11-24 Constantinos Chamzas , Anshumali Shrivastava , Lydia E. Kavraki

Humans excel in grasping objects through diverse and robust policies, many of which are so probabilistically rare that exploration-based learning methods hardly observe and learn. Inspired by the human learning process, we propose a method…

Robotics · Computer Science 2023-04-06 Chao Zhao , Chunli Jiang , Junhao Cai , Hongyu Yu , Michael Yu Wang , Qifeng Chen

Picking diverse objects in the real world is a fundamental robotics skill. However, many objects in such settings are bulky, heavy, or irregularly shaped, making them ungraspable by conventional end effectors like suction grippers and…

Robotics · Computer Science 2024-09-25 Albert Wu , Dan Kruse

This paper proposes a novel robotic hand design for assembly tasks. The idea is to combine two simple grippers -- an inner gripper which is used for precise alignment, and an outer gripper which is used for stable holding. Conventional…

Robotics · Computer Science 2018-09-13 Kaidi Nie , Weiwei Wan , Kensuke Harada

Grasping an object when it is in an ungraspable pose is a challenging task, such as books or other large flat objects placed horizontally on a table. Inspired by human manipulation, we address this problem by pushing the object to the edge…

Robotics · Computer Science 2023-02-28 Hao Zhang , Hongzhuo Liang , Lin Cong , Jianzhi Lyu , Long Zeng , Pingfa Feng , Jianwei Zhang

Grasping an unknown object is difficult for robot hands. When the characteristics of the object are unknown, knowing how to plan the speed at and width to which the fingers are narrowed is difficult. In this paper, we propose a method to…

Robotics · Computer Science 2024-10-23 Shunsuke Tokiwa , Hikaru Arita , Yosuke Suzuki , Kenji Tahara

The human hand has an inherent ability to manipulate and re-orientate objects without external assistance. As a consequence, we are able to operate tools and perform an array of actions using just one hand, without having to continuously…

Robotics · Computer Science 2023-07-26 Thomas Mack , Ketao Zhang , Kaspar Althoefer

Planning with learned dynamics models offers a promising approach toward versatile real-world manipulation, particularly in nonprehensile settings such as pushing or rolling, where accurate analytical models are difficult to obtain.…

Robotics · Computer Science 2026-05-15 Zhuoyun Zhong , Seyedali Golestaneh , Constantinos Chamzas

Planning contact interactions is one of the core challenges of many robotic tasks. Optimizing contact locations while taking dynamics into account is computationally costly and, in environments that are only partially observable, executing…

Robotics · Computer Science 2020-04-20 Alina Kloss , Maria Bauza , Jiajun Wu , Joshua B. Tenenbaum , Alberto Rodriguez , Jeannette Bohg

We consider the problem of reorienting a rigid object with arbitrary known shape on a table using a two-finger pinch gripper. Reorienting problem is challenging because of its non-smoothness and high dimensionality. In this work, we focus…

Robotics · Computer Science 2019-12-06 Yifan Hou , Zhenzhong Jia , Matthew T. Mason

We present an algorithm that produces a plan for relocating obstacles in order to grasp a target in clutter by a robotic manipulator without collisions. We consider configurations where objects are densely populated in a constrained and…

Robotics · Computer Science 2019-02-20 Jinhwi Lee , Younggil Cho , Changjoo Nam , Jonghyeon Park , Changhwan Kim

We present a contact-implicit planning approach that can generate contact-interaction trajectories for non-prehensile manipulation problems without tuning or a tailored initial guess and with high success rates. This is achieved by…

Robotics · Computer Science 2022-10-19 Maozhen Wang , Aykut Ozgun Onol , Philip Long , Taskin Padir

Mobile manipulation planning commonly adopts a decoupled approach that performs planning separately on the base and the manipulator. While this approach is fast, it can generate sub-optimal paths. Another direction is a coupled approach…

Robotics · Computer Science 2019-09-30 Mincheul Kang , Donghyuk Kim , Sung-Eui Yoon

Extrinsic manipulation, the use of environment contacts to achieve manipulation objectives, enables strategies that are otherwise impossible with a parallel jaw gripper. However, orchestrating a long-horizon sequence of contact interactions…

Robotics · Computer Science 2024-04-12 Albert Wu , Ruocheng Wang , Sirui Chen , Clemens Eppner , C. Karen Liu

We propose a novel tri-fingered soft robotic gripper with decoupled stiffness and shape control capability for performing adaptive grasping with minimum system complexity. The proposed soft fingers adaptively conform to object shapes…

Robotics · Computer Science 2020-10-23 Dimuthu D. Arachchige , Yue Chen , Ian D. Walker , Isuru S. Godage

Sampling-based motion planners have experienced much success due to their ability to efficiently and evenly explore the state space. However, for many tasks, it may be more efficient to not uniformly explore the state space, especially when…

Robotics · Computer Science 2018-06-07 Clark Zhang , Jinwook Huh , Daniel D. Lee

This paper addresses the problem of pushing manipulation with nonholonomic mobile robots. Pushing is a fundamental skill that enables robots to move unwieldy objects that cannot be grasped. We propose a stable pushing method that maintains…

Robotics · Computer Science 2023-09-26 Yujie Tang , Hai Zhu , Susan Potters , Martijn Wisse , Wei Pan

Reaching-and-grasping is a fundamental skill for robotic manipulation, but existing methods usually train models on a specific gripper and cannot be reused on another gripper. In this paper, we propose a novel method that can learn a…

Robotics · Computer Science 2025-02-04 Qijin She , Shishun Zhang , Yunfan Ye , Ruizhen Hu , Kai Xu

Robotic grasping is a fundamental skill across all domains of robot applications. There is a large body of research for grasping objects in table-top scenarios, where finding suitable grasps is the main challenge. In this work, we are…

Robotics · Computer Science 2025-05-13 Martin Rudorfer , Jiří Hartvich , Vojtěch Vonásek
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