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Recent progress in human-robot collaboration makes fast and fluid interactions possible, even when human observations are partial and occluded. Methods like Interaction Probabilistic Movement Primitives (ProMP) model human trajectories…

Robotics · Computer Science 2018-01-11 Longxin Chen , Juan Rojas , Shuangda Duan , Yisheng Guan

It is desirable for future robots to quickly learn new tasks and adapt learned skills to constantly changing environments. To this end, Probabilistic Movement Primitives (ProMPs) have shown to be a promising framework to learn generalizable…

Robotics · Computer Science 2022-03-09 Joao Carvalho , Dorothea Koert , Marek Daniv , Jan Peters

In medical tasks such as human motion analysis, computer-aided auxiliary systems have become preferred choice for human experts for its high efficiency. However, conventional approaches are typically based on user-defined features such as…

Robotics · Computer Science 2022-02-15 Honghu Xue , Rebecca Herzog , Till M Berger , Tobias Bäumer , Anne Weissbach , Elmar Rueckert

Probabilistic Movement Primitives (ProMPs) are a widely used representation of movements for human-robot interaction. They also facilitate the factorization of temporal and spatial structure of movements. In this work we investigate a…

Robotics · Computer Science 2022-11-16 Vittorio Lippi , Raphael Deimel

A Probabilistic Movement Primitive (ProMP) defines a distribution over trajectories with an associated feedback policy. ProMPs are typically initialized from human demonstrations and achieve task generalization through probabilistic…

Robotics · Computer Science 2022-05-05 Adam Conkey , Tucker Hermans

Currently, usual approaches for fast robot control are largely reliant on solving online optimal control problems. Such methods are known to be computationally intensive and sensitive to model accuracy. On the other hand, animals plan…

Robotics · Computer Science 2020-06-24 Guilherme Maeda , Okan Koc , Jun Morimoto

Placing robots outside controlled conditions requires versatile movement representations that allow robots to learn new tasks and adapt them to environmental changes. The introduction of obstacles or the placement of additional robots in…

Robotics · Computer Science 2022-01-06 Felix Frank , Alexandros Paraschos , Patrick van der Smagt , Botond Cseke

This paper proposes a learning-from-demonstration method using probability densities on the workspaces of robot manipulators. The method, named "PRobabilistically-Informed Motion Primitives (PRIMP)", learns the probability distribution of…

Robotics · Computer Science 2023-05-26 Sipu Ruan , Weixiao Liu , Xiaoli Wang , Xin Meng , Gregory S. Chirikjian

We propose a novel framework for enhancing robotic adaptability and learning efficiency, which integrates unsupervised trajectory segmentation with adaptive probabilistic movement primitives (ProMPs). By employing a cutting-edge deep…

Robotics · Computer Science 2024-05-01 Tianci Gao

Dynamic movement primitives (DMPs) allow complex position trajectories to be efficiently demonstrated to a robot. In contact-rich tasks, where position trajectories alone may not be safe or robust over variation in contact geometry, DMPs…

Robotics · Computer Science 2022-03-22 Chunyang Chang , Kevin Haninger , Yunlei Shi , Chengjie Yuan , Zhaopeng Chen , Jianwei Zhang

Building a lifelong robot that can effectively leverage prior knowledge for continuous skill acquisition remains significantly challenging. Despite the success of experience replay and parameter-efficient methods in alleviating catastrophic…

Robotics · Computer Science 2025-06-03 Yuanqi Yao , Siao Liu , Haoming Song , Delin Qu , Qizhi Chen , Yan Ding , Bin Zhao , Zhigang Wang , Xuelong Li , Dong Wang

Learning complex robot motions necessarily demands to have models that are able to encode and retrieve full-pose trajectories when tasks are defined in operational spaces. Probabilistic movement primitives (ProMPs) stand out as a principled…

Robotics · Computer Science 2021-10-29 Leonel Rozo , Vedant Dave

Movement primitives (MPs) are compact representations of robot skills that can be learned from demonstrations and combined into complex behaviors. However, merely equipping robots with a fixed set of innate MPs is insufficient to deploy…

Robotics · Computer Science 2024-10-28 Tilman Daab , Noémie Jaquier , Christian Dreher , Andre Meixner , Franziska Krebs , Tamim Asfour

The uses of robots are changing from static environments in factories to encompass novel concepts such as Human-Robot Collaboration in unstructured settings. Pre-programming all the functionalities for robots becomes impractical, and hence,…

We introduce Progressive Prompts - a simple and efficient approach for continual learning in language models. Our method allows forward transfer and resists catastrophic forgetting, without relying on data replay or a large number of…

Computation and Language · Computer Science 2023-01-31 Anastasia Razdaibiedina , Yuning Mao , Rui Hou , Madian Khabsa , Mike Lewis , Amjad Almahairi

Movement Primitives (MPs) are a well-established method for representing and generating modular robot trajectories. This work presents FA-ProDMP, a new approach which introduces force awareness to Probabilistic Dynamic Movement Primitives…

Robotics · Computer Science 2024-09-18 Paul Werner Lödige , Maximilian Xiling Li , Rudolf Lioutikov

We propose in this paper Periodic Interaction Primitives - a probabilistic framework that can be used to learn compact models of periodic behavior. Our approach extends existing formulations of Interaction Primitives to periodic movement…

Finding an efficient way to adapt robot trajectory is a priority to improve overall performance of robots. One approach for trajectory planning is through transferring human-like skills to robots by Learning from Demonstrations (LfD). The…

Robotics · Computer Science 2023-04-13 Jayden Hong , Zengjie Zhang , Amir M. Soufi Enayati , Homayoun Najjaran

When robots enter everyday human environments, they need to understand their tasks and how they should perform those tasks. To encode these, reward functions, which specify the objective of a robot, are employed. However, designing reward…

Robotics · Computer Science 2022-10-21 Erdem Bıyık

Human-robot interaction benefits greatly from multimodal sensor inputs as they enable increased robustness and generalization accuracy. Despite this observation, few HRI methods are capable of efficiently performing inference for multimodal…

Robotics · Computer Science 2019-08-15 Joseph Campbell , Simon Stepputtis , Heni Ben Amor
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