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Humans show specialized strategies for efficient collaboration. Transferring similar strategies to humanoid robots can improve their capability to interact with other agents, leading the way to complex collaborative scenarios with multiple…

This paper proposes a distributed controller synthesis framework for safe navigation of multi-agent systems. We leverage control barrier functions to formulate collision avoidance with obstacles and teammates as constraints on the control…

系统与控制 · 电气工程与系统科学 2024-05-03 Pol Mestres , Carlos Nieto-Granda , Jorge Cortés

This paper proposes a technique for automatic gain tuning of a momentum based balancing controller for humanoid robots. The controller ensures the stabilization of the centroidal dynamics and the associated zero dynamics. Then, the…

系统与控制 · 计算机科学 2017-01-11 Daniele Pucci , Gabriele Nava , Francesco Nori

Model-based controllers using a linearized model around the system's equilibrium point is a common approach in the control of a wheeled humanoid due to their less computational load and ease of stability analysis. However, controlling a…

机器人学 · 计算机科学 2024-08-22 Donghoon Baek , Youngwoo Sim , Amartya Purushottam , Saurabh Gupta , Joao Ramos

This paper presents a novel approach to automated drifting with a standard passenger vehicle, which involves a Nonlinear Model Predictive Control to stabilise and maintain the vehicle at high sideslip angle conditions. The proposed…

机器人学 · 计算机科学 2024-05-20 Stan Meijer , Alberto Bertipaglia , Barys Shyrokau

Envisioned applications for humanoid robots call for the design of balancing and walking controllers. While promising results have been recently achieved, robust and reliable controllers are still a challenge for the control community…

最优化与控制 · 数学 2017-07-18 Gabriele Nava , Francesco Romano , Francesco Nori , Daniele Pucci

We present an end-to-end online motion planning framework that uses a data-driven approach to navigate a heterogeneous robot team towards a global goal while avoiding obstacles in uncertain environments. First, we use stochastic model…

机器人学 · 计算机科学 2021-08-06 Alexander Schperberg , Stephanie Tsuei , Stefano Soatto , Dennis Hong

Safe and compliant control of dynamic systems in interaction with the environment, e.g., in shared workspaces, continues to represent a major challenge. Mismatches in the dynamic model of the robots, numerical singularities, and the…

机器人学 · 计算机科学 2023-11-28 Carlo Tiseo , Wolfgang Merkt , Wouter Wolfslag , Sethu Vijayakumar , Michael Mistry

We propose a scalable cooperative control approach which coordinates a group of rigidly connected autonomous surface vessels to track desired trajectories in a planar water environment as a single floating modular structure. Our approach…

机器人学 · 计算机科学 2020-07-27 Wei Wang , Zijian Wang , Luis Mateos , Kuan Wei Huang , Mac Schwager , Carlo Ratti , Daniela Rus

This paper presents a strategy for control of a spacecraft docking with a non-maneuvering target in the presence of safety constraints and bounded disturbances. The presence of disturbances prevents convergence to a unique docking state, so…

最优化与控制 · 数学 2022-01-03 Joseph Breeden , Dimitra Panagou

This paper provides a new tauberian approach to the study of quantitative time asymptotics of collisionless transport semigroups with general diffuse boundary operators. We obtain an (almost) optimal algebraic rate of convergence to…

偏微分方程分析 · 数学 2021-04-15 Bertrand Lods , Mustapha Mokhtar-Kharroubi

Navigation functions provide both path and motion planning, which can be used to ensure obstacle avoidance and convergence in the sphere world. When dealing with complex and realistic scenarios, constructing a transformation to the sphere…

机器人学 · 计算机科学 2022-10-04 Li Fan , Jianchang Liu , Wenle Zhang , Peng Xu

We propose a continuous feedback control strategy that steers a point-mass vehicle safely to a desired destination, in a quasi-optimal manner, from almost all initial conditions in an n-dimensional Euclidean space cluttered with spherical…

系统与控制 · 电气工程与系统科学 2023-03-23 Ishak Cheniouni , Abdelhamid Tayebi , Soulaimane Berkane

We present a new algorithm for deploying passenger robots in marsupial robot systems. A marsupial robot system consists of a carrier robot (e.g., a ground vehicle), which is highly capable and has a long mission duration, and at least one…

机器人学 · 计算机科学 2021-10-22 Chris , Lee , Graeme Best , Geoffrey A. Hollinger

A new dynamic control algorithm in order to direct the trajectory of a glider to a pre-assigned target point is proposed. The algorithms runs iteratively and the approach to the target point is self-correcting. The algorithm is applicable…

天体物理仪器与方法 · 物理学 2013-03-01 Rui Dilão , João Fonseca

The paper tailors the so-called wave-based control popular in the field of flexible mechanical structures to the field of distributed control of vehicular platoons. The proposed solution augments the symmetric bidirectional control…

系统与控制 · 计算机科学 2014-09-11 Dan Martinec , Ivo Herman , Zdeněk Hurák , Michael Šebek

This paper addresses the problem of navigation control of a general class of 2nd order uncertain nonlinear multi-agent systems in a bounded workspace, which is a subset of $R^3$ , with static obstacles. In particular, we propose a…

系统与控制 · 计算机科学 2018-04-25 Alexandros Filotheou , Alexandros Nikou , Dimos V. Dimarogonas

This paper presents a trajectory optimization and control approach for the guidance of an orbital four-arm robot in extravehicular activities. The robot operates near the target spacecraft, enabling its arm's end-effectors to reach the…

We propose factor graph optimization for simultaneous planning, control, and trajectory estimation for collision-free navigation of autonomous systems in environments with moving objects. The proposed online probabilistic motion planning…

机器人学 · 计算机科学 2022-04-29 Matthew King-Smith , Panagiotis Tsiotras , Frank Dellaert

Generating robust locomotion for a humanoid robot in the presence of disturbances is difficult because of its high number of degrees of freedom and its unstable nature. In this paper, we used the concept of Divergent Component of…

机器人学 · 计算机科学 2021-12-23 Mohammadreza Kasaei , Nuno Lau , Artur Pereira