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It is a common problem in robotics to specify the position of each joint of the robot so that the endpoint reaches a certain target in space. This can be solved in two ways, forward kinematics method and inverse kinematics method. However,…

人工智能 · 计算机科学 2024-10-22 Hao-Tang Tsui , Yu-Rou Tuan , Hong-Han Shuai

A powerful and flexible approach to structured prediction consists in embedding the structured objects to be predicted into a feature space of possibly infinite dimension by means of output kernels, and then, solving a regression problem in…

Robotic systems are more present in our society everyday. In human-robot environments, it is crucial that end-users may correctly understand their robotic team-partners, in order to collaboratively complete a task. To increase action…

人工智能 · 计算机科学 2021-09-03 Francisco Cruz , Richard Dazeley , Peter Vamplew , Ithan Moreira

Robot data collected in complex real-world scenarios are often biased due to safety concerns, human preferences, and mission or platform constraints. Consequently, robot learning from such observational data poses great challenges for…

机器人学 · 计算机科学 2022-10-18 Junhong Xu , Kai Yin , Jason M. Gregory , Lantao Liu

Predicting the motion of a mobile agent from a third-person perspective is an important component for many robotics applications, such as autonomous navigation and tracking. With accurate motion prediction of other agents, robots can plan…

机器人学 · 计算机科学 2018-10-18 Yanfu Zhang , Wenshan Wang , Rogerio Bonatti , Daniel Maturana , Sebastian Scherer

This paper introduces a new method for safety-aware robot learning, focusing on repairing policies using predictive models. Our method combines behavioral cloning with neural network repair in a two-step supervised learning framework. It…

机器人学 · 计算机科学 2024-11-08 Keyvan Majd , Geoffrey Clark , Georgios Fainekos , Heni Ben Amor

Recently, with the significant developments in deep learning techniques, solving underdetermined inverse problems has become one of the major concerns in the medical imaging domain. Typical examples include undersampled magnetic resonance…

图像与视频处理 · 电气工程与系统科学 2020-06-29 Chang Min Hyun , Seong Hyeon Baek , Mingyu Lee , Sung Min Lee , Jin Keun Seo

Industrial robots play an increasingly important role in a growing number of fields. For example, robotics is used to increase productivity while reducing costs in various aspects of manufacturing. Since robots are often set up in…

机器人学 · 计算机科学 2020-02-26 Arash Golibagh Mahyari , Thomas Locker

This paper discusses online algorithms for inverse dynamics modelling in robotics. Several model classes including rigid body dynamics (RBD) models, data-driven models and semiparametric models (which are a combination of the previous two…

机器学习 · 计算机科学 2018-09-14 Diego Romeres , Mattia Zorzi , Raffaello Camoriano , Silvio Traversaro , Alessandro Chiuso

Solving inverse problems requires the knowledge of the forward operator, but accurate models can be computationally expensive and hence cheaper variants that do not compromise the reconstruction quality are desired. This chapter reviews…

数值分析 · 数学 2024-03-19 Simon Arridge , Andreas Hauptmann , Yury Korolev

Model generalization of the underlying dynamics is critical for achieving data efficiency when learning for robot control. This paper proposes a novel approach for learning dynamics leveraging the symmetry in the underlying robotic system,…

机器人学 · 计算机科学 2022-10-17 Jee-eun Lee , Jaemin Lee , Tirthankar Bandyopadhyay , Luis Sentis

This paper presents a distributed method for robots moving in rigid formations while ensuring probabilistic collision avoidance between the robots. The formation is parametrised through the transformation of a base configuration. The robots…

机器人学 · 计算机科学 2024-08-28 Jeppe Heini Mikkelsen , Vit Kratky , Roberto Galeazzi , Martin Saska , Matteo Fumagalli

Algorithm designers typically assume that the input data is correct, and then proceed to find "optimal" or "sub-optimal" solutions using this input data. However this assumption of correct data does not always hold in practice, especially…

机器学习 · 计算机科学 2015-10-13 Hal Daumé , Samir Khuller , Manish Purohit , Gregory Sanders

Motion planning under differential constraints, kinodynamic motion planning, is one of the canonical problems in robotics. Currently, state-of-the-art methods evolve around kinodynamic variants of popular sampling-based algorithms, such as…

机器人学 · 计算机科学 2016-01-26 Oktay Arslan , Karl Berntorp , Panagiotis Tsiotras

In this paper, we propose to estimate the forward dynamics equations of mechanical systems by learning a model of the inverse dynamics and estimating individual dynamics components from it. We revisit the classical formulation of rigid body…

机器人学 · 计算机科学 2023-07-12 Alberto Dalla Libera , Giulio Giacomuzzo , Ruggero Carli , Daniel Nikovski , Diego Romeres

Learning-based and data-driven techniques have recently become a subject of primary interest in the field of reconstruction and regularization of inverse problems. Besides the development of novel methods, yielding excellent results in…

机器学习 · 统计学 2023-12-22 Luca Ratti

Set-Based Multi-Task Priority is a recent framework to handle inverse kinematics for redundant structures. Both equality tasks, i.e., control objectives to be driven to a desired value, and set-bases tasks, i.e., control objectives to be…

机器人学 · 计算机科学 2020-07-08 Paolo Di Lillo , Stefano Chiaverini , Gianluca Antonelli

This paper presents a technical approach to robot learning of motor skills which combines active intrinsically motivated learning with imitation learning. Our architecture, called SGIM-D, allows efficient learning of high-dimensional…

机器人学 · 计算机科学 2019-02-18 Sao Mai Nguyen , Pierre-Yves Oudeyer

We propose a novel framework for learning stabilizable nonlinear dynamical systems for continuous control tasks in robotics. The key idea is to develop a new control-theoretic regularizer for dynamics fitting rooted in the notion of…

系统与控制 · 计算机科学 2018-11-13 Sumeet Singh , Vikas Sindhwani , Jean-Jacques E. Slotine , Marco Pavone

In recent years, advanced model-based and data-driven control methods are unlocking the potential of complex robotics systems, and we can expect this trend to continue at an exponential rate in the near future. However, ensuring safety with…

机器人学 · 计算机科学 2024-08-29 Gianni Lunardi , Asia La Rocca , Matteo Saveriano , Andrea Del Prete