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This paper addresses the challenge of occluded robot grasping, i.e. grasping in situations where the desired grasp poses are kinematically infeasible due to environmental constraints such as surface collisions. Traditional robot…

Robotics · Computer Science 2025-02-17 Jun Yamada , Alexander L. Mitchell , Jack Collins , Ingmar Posner

Reinforcement Learning (RL) methods have been widely applied for robotic manipulations via sim-to-real transfer, typically with proprioceptive and visual information. However, the incorporation of tactile sensing into RL for contact-rich…

Robotics · Computer Science 2021-07-28 Zihan Ding , Ya-Yen Tsai , Wang Wei Lee , Bidan Huang

Imitation learning is an effective tool for robotic learning tasks where specifying a reinforcement learning (RL) reward is not feasible or where the exploration problem is particularly difficult. Imitation, typically behavior cloning or…

Robotics · Computer Science 2021-03-19 Yuxiang Zhou , Yusuf Aytar , Konstantinos Bousmalis

In this paper, we present a novel method for achieving dexterous manipulation of complex objects, while simultaneously securing the object without the use of passive support surfaces. We posit that a key difficulty for training such…

Deep reinforcement learning has shown its advantages in real-time decision-making based on the state of the agent. In this stage, we solved the task of using a real robot to manipulate the cube to a given trajectory. The task is broken down…

Robotics · Computer Science 2021-12-10 Qingfeng Yao , Jilong Wang , Shuyu Yang

Precision is a crucial performance indicator for robot arms, as high precision manipulation allows for a wider range of applications. Traditional methods for improving robot arm precision rely on error compensation. However, these methods…

Robotics · Computer Science 2023-02-28 Qu Weiming , Liu Tianlin , Luo Dingsheng

The effectiveness of scaling up training data in robotic manipulation is still limited. A primary challenge in manipulation is the tasks are diverse, and the trained policy would be confused if the task targets are not specified clearly.…

Robotics · Computer Science 2025-02-12 Zhuoling Li , Liangliang Ren , Jinrong Yang , Yong Zhao , Xiaoyang Wu , Zhenhua Xu , Xiang Bai , Hengshuang Zhao

Imitation Learning (IL) is a promising paradigm for learning dynamic manipulation of deformable objects since it does not depend on difficult-to-create accurate simulations of such objects. However, the translation of motions demonstrated…

Robotics · Computer Science 2024-03-20 Eric Hannus , Tran Nguyen Le , David Blanco-Mulero , Ville Kyrki

Reinforcement Learning (RL), among other learning-based methods, represents powerful tools to solve complex robotic tasks (e.g., actuation, manipulation, navigation, etc.), with the need for real-world data to train these systems as one of…

Robotics · Computer Science 2020-07-28 Kenzo Lobos-Tsunekawa , Tatsuya Harada

The vast majority of visual animals actively control their eyes, heads, and/or bodies to direct their gaze toward different parts of their environment. In contrast, recent applications of reinforcement learning in robotic manipulation…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Youssef Zaky , Gaurav Paruthi , Bryan Tripp , James Bergstra

Dexterous manipulation, which refers to the ability of a robotic hand or multi-fingered end-effector to skillfully control, reorient, and manipulate objects through precise, coordinated finger movements and adaptive force modulation,…

Learning from Demonstration is increasingly used for transferring operator manipulation skills to robots. In practice, it is important to cater for limited data and imperfect human demonstrations, as well as underlying safety constraints.…

Robotics · Computer Science 2020-04-03 Ya-Yen Tsai , Bo Xiao , Edward Johns , Guang-Zhong Yang

Imitation Learning (IL) has emerged as a powerful approach in robotics, allowing robots to acquire new skills by mimicking human actions. Despite its potential, the data collection process for IL remains a significant challenge due to the…

Robotics · Computer Science 2025-05-23 Hamidreza Kasaei , Mohammadreza Kasaei

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

Differentiable simulators promise to improve sample efficiency in robot learning by providing analytic gradients of the system dynamics. Yet, their application to contact-rich tasks like locomotion is complicated by the inherently…

Humanoid robots are designed to perform diverse loco-manipulation tasks. However, they face challenges due to their high-dimensional and unstable dynamics, as well as the complex contact-rich nature of the tasks. Model-based optimal control…

Robotics · Computer Science 2025-10-02 Fukang Liu , Zhaoyuan Gu , Yilin Cai , Ziyi Zhou , Hyunyoung Jung , Jaehwi Jang , Shijie Zhao , Sehoon Ha , Yue Chen , Danfei Xu , Ye Zhao

Object manipulation is a basic element in everyday human lives. Robotic manipulation has progressed from maneuvering single-rigid-body objects with firm grasping to maneuvering soft objects and handling contact-rich actions. Meanwhile,…

Robotics · Computer Science 2017-08-18 Leidi Zhao , Raheem Lawhorn , Siddharth Patil , Steve Susanibar , Lu Lu , Cong Wang , Bo Ouyang

Robots must make and break contact with the environment to perform useful tasks, but planning and control through contact remains a formidable challenge. In this work, we achieve real-time contact-implicit model predictive control with a…

Robotics · Computer Science 2025-05-06 Vince Kurtz , Alejandro Castro , Aykut Özgün Önol , Hai Lin

Robotic manipulation of slender objects is challenging, especially when the induced deformations are large and nonlinear. Traditionally, learning-based control approaches, such as imitation learning, have been used to address deformable…

Robotics · Computer Science 2024-02-21 Andrew Choi , Dezhong Tong , Demetri Terzopoulos , Jungseock Joo , M. Khalid Jawed

This work proposed an efficient learning-based framework to learn feedback control policies from human teleoperated demonstrations, which achieved obstacle negotiation, staircase traversal, slipping control and parcel delivery for a tracked…

Robotics · Computer Science 2021-08-11 Jiacheng Gu , Zhibin Li