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Learning from Demonstration (LfD) provides an intuitive and fast approach to program robotic manipulators. Task parameterized representations allow easy adaptation to new scenes and online observations. However, this approach has been…

机器人学 · 计算机科学 2021-09-10 An T. Le , Meng Guo , Niels van Duijkeren , Leonel Rozo , Robert Krug , Andras G. Kupcsik , Mathias Buerger

In this study, we present an implementation strategy for a robot that performs peg transfer tasks in Fundamentals of Laparoscopic Surgery (FLS) via imitation learning, aimed at the development of an autonomous robot for laparoscopic…

机器人学 · 计算机科学 2024-08-27 Kento Kawaharazuka , Kei Okada , Masayuki Inaba

Performing a large volume of experiments in Chemistry labs creates repetitive actions costing researchers time, automating these routines is highly desirable. Previous experiments in robotic chemistry have performed high numbers of…

机器人学 · 计算机科学 2023-07-04 Aaron Butterworth , Gabriella Pizzuto , Leszek Pecyna , Andrew I. Cooper , Shan Luo

This paper primarily focuses on evaluating and benchmarking the robustness of visual representations in the context of object assembly tasks. Specifically, it investigates the alignment and insertion of objects with geometrical extrusions…

机器人学 · 计算机科学 2024-02-08 Chahyon Ku , Carl Winge , Ryan Diaz , Wentao Yuan , Karthik Desingh

Behavioral cloning, or more broadly, learning from demonstrations (LfD) is a priomising direction for robot policy learning in complex scenarios. Albeit being straightforward to implement and data-efficient, behavioral cloning has its own…

机器人学 · 计算机科学 2024-05-27 Carl Qi , Edward Sun , Harry Zhang

Prompt-based learning has been demonstrated as a compelling paradigm contributing to large language models' tremendous success (LLMs). Inspired by their success in language tasks, existing research has leveraged LLMs in embodied instruction…

To achieve human-level dexterity, robots must infer spatial awareness from multimodal sensing to reason over contact interactions. During in-hand manipulation of novel objects, such spatial awareness involves estimating the object's pose…

High precision assembly of mechanical parts requires accuracy exceeding the robot precision. Conventional part mating methods used in the current manufacturing requires tedious tuning of numerous parameters before deployment. We show how…

机器人学 · 计算机科学 2017-09-25 Tadanobu Inoue , Giovanni De Magistris , Asim Munawar , Tsuyoshi Yokoya , Ryuki Tachibana

We address the challenge of reliable and accurate proprioception in soft robots, specifically those with tight packaging constraints and relying only on internally embedded sensors. While various sensing approaches with single sensors have…

We present a learning-based force-torque dynamics to achieve model-based control for contact-rich peg-in-hole task using force-only inputs. Learning the force-torque dynamics is challenging because of the ambiguity of the low-dimensional…

机器人学 · 计算机科学 2019-12-03 Junfeng Ding , Chen Wang , Cewu Lu

The insertion of through-hole components is a difficult task. As the tolerances of the holes are very small, minor errors in the insertion will result in failures. These failures can damage components and will require manual intervention…

计算机视觉与模式识别 · 计算机科学 2022-08-03 Frederik Hagelskjaer , Dirk Kraft

Generalization is important for peg-in-hole assembly, a fundamental industrial operation, to adapt to dynamic industrial scenarios and enhance manufacturing efficiency. While prior work has enhanced generalization ability for pose…

机器人学 · 计算机科学 2025-04-08 Xinyu Liu , Aljaz Kramberger , Leon Bodenhagen

Robotic insertion tasks are characterized by contact and friction mechanics, making them challenging for conventional feedback control methods due to unmodeled physical effects. Reinforcement learning (RL) is a promising approach for…

机器学习 · 计算机科学 2020-05-26 Gerrit Schoettler , Ashvin Nair , Juan Aparicio Ojea , Sergey Levine , Eugen Solowjow

Reinforcement learning-based control policies have been frequently demonstrated to be more effective than analytical techniques for many manipulation tasks. Commonly, these methods learn neural control policies that predict end-effector…

机器人学 · 计算机科学 2026-04-22 Hunter L. Brown , Geoffrey Hollinger , Stefan Lee

Planning a motion for inserting pegs remains an open problem. The difficulty lies in both the inevitable errors in the grasps of a robotic hand and absolute precision problems in robot joint motors. This paper proposes an integral method to…

机器人学 · 计算机科学 2021-08-10 Hao Chen , Juncheng Li , Weiwei Wan , Zhifeng Huang , Kensuke Harada

Robotic insertion tasks remain challenging due to uncertainties in perception and the need for precise control, particularly in unstructured environments. While humans seamlessly combine vision and touch for such tasks, effectively…

机器人学 · 计算机科学 2024-11-01 Janis Lenz , Theo Gruner , Daniel Palenicek , Tim Schneider , Jan Peters

Deep reinforcement learning is becoming increasingly popular for robot control algorithms, with the aim for a robot to self-learn useful feature representations from unstructured sensory input leading to the optimal actuation policy. In…

机器人学 · 计算机科学 2017-03-16 Steven Bohez , Tim Verbelen , Elias De Coninck , Bert Vankeirsbilck , Pieter Simoens , Bart Dhoedt

Reinforcement Learning (RL) has shown great promise for efficiently learning force control policies in peg-in-hole tasks. However, robots often face difficulties due to visual occlusions by the gripper and uncertainties in the initial…

机器人学 · 计算机科学 2023-09-28 Tatsuya Kamijo , Ixchel G. Ramirez-Alpizar , Enrique Coronado , Gentiane Venture

In this paper, we discuss a framework for teaching bimanual manipulation tasks by imitation. To this end, we present a system and algorithms for learning compliant and contact-rich robot behavior from human demonstrations. The presented…

机器人学 · 计算机科学 2022-08-02 Simon Stepputtis , Maryam Bandari , Stefan Schaal , Heni Ben Amor

We investigate an experiential learning paradigm for acquiring an internal model of intuitive physics. Our model is evaluated on a real-world robotic manipulation task that requires displacing objects to target locations by poking. The…

计算机视觉与模式识别 · 计算机科学 2017-02-17 Pulkit Agrawal , Ashvin Nair , Pieter Abbeel , Jitendra Malik , Sergey Levine