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Graph neural networks have emerged as a powerful tool for learning spatiotemporal interactions. However, conventional approaches often rely on predefined graphs, which may obscure the precise relationships being modeled. Additionally,…

Machine Learning · Computer Science 2025-02-21 Jeehong Kim , Minchan Kim , Jaeseong Ju , Youngseok Hwang , Wonhee Lee , Hyunwoo Park

Reinforcement learning-based path planning for multi-agent systems of varying size constitutes a research topic with increasing significance as progress in domains such as urban air mobility and autonomous aerial vehicles continues.…

Robotics · Computer Science 2022-03-22 Marc R. Schlichting , Stefan Notter , Walter Fichter

Capsule Networks (CapsNets) have been proposed as an alternative to Convolutional Neural Networks (CNNs). This paper showcases how CapsNets are more capable than CNNs for autonomous agent exploration of realistic scenarios. In real world…

Machine Learning · Computer Science 2020-02-11 Thomas Molnar , Eugenio Culurciello

Visual Teach-and-Repeat Navigation is a direct solution for mobile robot to be deployed in unknown environments. However, robust trajectory repeat navigation still remains challenged due to environmental changing and dynamic objects. In…

Robotics · Computer Science 2025-10-13 Jikai Wang , Yunqi Cheng , Kezhi Wang , Zonghai Chen

Reinforcement learning (RL) in autonomous driving employs a trial-and-error mechanism, enhancing robustness in unpredictable environments. However, crafting effective reward functions remains challenging, as conventional approaches rely…

Machine Learning · Computer Science 2025-06-02 Yongming Chen , Miner Chen , Liewen Liao , Mingyang Jiang , Xiang Zuo , Hengrui Zhang , Yuchen Xi , Songan Zhang

Intelligent navigation among social crowds is an essential aspect of mobile robotics for applications such as delivery, health care, or assistance. Deep Reinforcement Learning emerged as an alternative planning method to conservative…

Robotics · Computer Science 2021-09-24 Linh Kästner , Junhui Li , Zhengcheng Shen , Jens Lambrecht

In this article, we explore the feasibility of applying proximal policy optimization, a state-of-the-art deep reinforcement learning algorithm for continuous control tasks, on the dual-objective problem of controlling an underactuated…

Machine Learning · Computer Science 2019-12-20 Eivind Meyer , Haakon Robinson , Adil Rasheed , Omer San

Recurrent neural networks trained with the backpropagation through time (BPTT) algorithm have led to astounding successes in various temporal tasks. However, BPTT introduces severe limitations, such as the requirement to propagate…

Neural and Evolutionary Computing · Computer Science 2023-04-28 Thomas Ortner , Lorenzo Pes , Joris Gentinetta , Charlotte Frenkel , Angeliki Pantazi

Recent research on deep learning, a set of machine learning techniques able to learn deep architectures, has shown how robotic perception and action greatly benefits from these techniques. In terms of spacecraft navigation and control…

Systems and Control · Computer Science 2016-10-28 Carlos Sánchez-Sánchez , Dario Izzo

Time-optimal path tracking, as a significant tool for industrial robots, has attracted the attention of numerous researchers. In most time-optimal path tracking problems, the actuator torque constraints are assumed to be conservative, which…

Robotics · Computer Science 2019-07-11 Jiadong Xiao , Lin Li , Yanbiao Zou , Tie Zhang

This investigation introduces a novel deep reinforcement learning-based suite to control floating platforms in both simulated and real-world environments. Floating platforms serve as versatile test-beds to emulate micro-gravity environments…

Compliance with maritime traffic rules is essential for the safe operation of autonomous vessels, yet training reinforcement learning (RL) agents to adhere to them is challenging. The behavior of RL agents is shaped by the training…

Systems and Control · Electrical Eng. & Systems 2026-05-28 Marlon Müller , Florian Finkeldei , Hanna Krasowski , Murat Arcak , Matthias Althoff

Adversarial inverse reinforcement learning (IRL) for multi-agent task allocation (MATA) is challenged by non-stationary interactions and high-dimensional coordination. Unconstrained reward inference in these settings often leads to high…

Machine Learning · Computer Science 2026-02-10 Huilin Yin , Zhikun Yang , Linchuan Zhang , Daniel Watzenig

This study examines the problem of hopping robot navigation planning to achieve simultaneous goal-directed and environment exploration tasks. We consider a scenario in which the robot has mandatory goal-directed tasks defined using Linear…

Robotics · Computer Science 2024-07-10 Jesse Jiang , Samuel Coogan , Ye Zhao

This paper addresses the challenge of navigation in large, visually complex environments with sparse rewards. We propose a method that uses object-oriented macro actions grounded in a topological map, allowing a simple Deep Q-Network (DQN)…

Machine Learning · Computer Science 2025-04-28 Simon Hakenes , Tobias Glasmachers

We present theoretical and numerical results concerning the problem to find the path that minimizes the time to navigate between two given points in a complex fluid under realistic navigation constraints. We contrast deterministic Optimal…

Systems and Control · Electrical Eng. & Systems 2021-03-02 Michele Buzzicotti , Luca Biferale , Fabio Bonaccorso , Patricio Clark di Leoni , Kristian Gustavsson

The hierarchy of global and local planners is one of the most commonly utilized system designs in autonomous robot navigation. While the global planner generates a reference path from the current to goal locations based on the pre-built…

Robotics · Computer Science 2024-02-28 Kohei Honda , Ryo Yonetani , Mai Nishimura , Tadashi Kozuno

Monitoring and patrolling large water resources is a major challenge for conservation. The problem of acquiring data of an underlying environment that usually changes within time involves a proper formulation of the information. The use of…

Robotics · Computer Science 2022-10-18 Samuel Yanes Luis , Daniel Gutiérrez Reina , Sergio Toral Marín

Mobile robots are often tasked with repeatedly navigating through an environment whose traversability changes over time. These changes may exhibit some hidden structure, which can be learned. Many studies consider reactive algorithms for…

Robotics · Computer Science 2020-12-07 Florence Tsang , Tristan Walker , Ryan A. MacDonald , Armin Sadeghi , Stephen L. Smith

This paper highlights the significance of including memory structures in neural networks when the latter are used to learn perception-action loops for autonomous robot navigation. Traditional navigation approaches rely on global maps of the…

Robotics · Computer Science 2017-05-24 Steven W Chen , Nikolay Atanasov , Arbaaz Khan , Konstantinos Karydis , Daniel D. Lee , Vijay Kumar