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Collision-free motion is essential for mobile robots. Most approaches to collision-free and efficient navigation with wheeled robots require parameter tuning by experts to obtain good navigation behavior. This study investigates the…

Robotics · Computer Science 2024-08-08 Hamid Taheri , Seyed Rasoul Hosseini , Mohammad Ali Nekoui

Autonomous unpowered flight is a challenge for control and guidance systems: all the energy the aircraft might use during flight has to be harvested directly from the atmosphere. We investigate the design of an algorithm that optimizes the…

Machine Learning · Computer Science 2017-07-19 Erwan Lecarpentier , Sebastian Rapp , Marc Melo , Emmanuel Rachelson

In this paper, we propose an autonomous UAV path planning framework using deep reinforcement learning approach. The objective is to employ a self-trained UAV as a flying mobile unit to reach spatially distributed moving or static targets in…

Robotics · Computer Science 2020-03-25 Omar Bouhamed , Hakim Ghazzai , Hichem Besbes , Yehia Massoud

Autonomous Braking and Throttle control is key in developing safe driving systems for the future. There exists a need for autonomous vehicles to negotiate a multi-agent environment while ensuring safety and comfort. A Deep Reinforcement…

Artificial Intelligence · Computer Science 2020-08-19 Varshit S. Dubey , Ruhshad Kasad , Karan Agrawal

In this paper, we propose a new autonomous braking system based on deep reinforcement learning. The proposed autonomous braking system automatically decides whether to apply the brake at each time step when confronting the risk of collision…

Artificial Intelligence · Computer Science 2017-04-25 Hyunmin Chae , Chang Mook Kang , ByeoungDo Kim , Jaekyum Kim , Chung Choo Chung , Jun Won Choi

This paper presents a novel collision avoidance strategy for unmanned aircraft detect and avoid that requires only information about the relative bearing angle between an aircraft and hazard. It is shown that this bearing-only strategy can…

Systems and Control · Electrical Eng. & Systems 2020-04-22 Timothy L. Molloy , Tristan Perez , Brendan P. Williams

We present a novel learning-based collision avoidance algorithm, CrowdSteer, for mobile robots operating in dense and crowded environments. Our approach is end-to-end and uses multiple perception sensors such as a 2-D lidar along with a…

Robotics · Computer Science 2020-04-30 Jing Liang , Utsav Patel , Adarsh Jagan Sathyamoorthy , Dinesh Manocha

We first define appropriate state representation and action space, and then design an adjustment mechanism based on the actions selected by the intelligent agent. The adjustment mechanism outputs the next state and reward value of the…

Robotics · Computer Science 2023-07-27 Longcheng Guo

Autonomous driving at unsignalized intersections is still considered a challenging application for machine learning due to the complications associated with handling complex multi-agent scenarios characterized by a high degree of…

Urban Air Mobility is a new concept of regional aviation that has been growing in popularity as a solution to the issue of ever-increasing ground traffic. Electric vehicles with vertical take-off and landing capabilities are being developed…

Human-Computer Interaction · Computer Science 2023-12-01 Isha Panchal , Sophie F. Armanini , Isabel C. Metz

Efficient aerial data collection is important in many remote sensing applications. In large-scale monitoring scenarios, deploying a team of unmanned aerial vehicles (UAVs) offers improved spatial coverage and robustness against individual…

Robotics · Computer Science 2023-03-03 Jonas Westheider , Julius Rückin , Marija Popović

Developing the flocking behavior for a dynamic squad of fixed-wing UAVs is still a challenge due to kinematic complexity and environmental uncertainty. In this paper, we deal with the decentralized flocking and collision avoidance problem…

Systems and Control · Electrical Eng. & Systems 2021-07-26 Chao Yan , Xiaojia Xiang , Chang Wang , Zhen Lan

High-speed, low-latency obstacle avoidance that is insensitive to sensor noise is essential for enabling multiple decentralized robots to function reliably in cluttered and dynamic environments. While other distributed multi-agent collision…

Artificial Intelligence · Computer Science 2017-07-07 Pinxin Long , Wenxi Liu , Jia Pan

Autonomous navigation in unknown environments with obstacles remains challenging for micro aerial vehicles (MAVs) due to their limited onboard computing and sensing resources. Although various collision avoidance methods have been…

Robotics · Computer Science 2023-09-19 Ruoyu Wang , Zixuan Guo , Yizhou Chen , Xinyi Wang , Ben M. Chen

For drones, as safety-critical systems, there is an increasing need for onboard detect & avoid (DAA) technology i) to see, sense or detect conflicting traffic or imminent non-cooperative threats due to their high mobility with multiple…

There is an increasing demand for using Unmanned Aerial Vehicle (UAV), known as drones, in different applications such as packages delivery, traffic monitoring, search and rescue operations, and military combat engagements. In all of these…

Robotics · Computer Science 2022-08-29 Fadi AlMahamid , Katarina Grolinger

A novel deep multi-agent reinforcement learning framework is proposed to identify and resolve conflicts among a variable number of aircraft in a high-density, stochastic, and dynamic sector. Currently the sector capacity is constrained by…

Machine Learning · Computer Science 2020-08-28 Marc Brittain , Xuxi Yang , Peng Wei

CCTV-based surveillance using unmanned aerial vehicles (UAVs) is considered a key technology for security in smart city environments. This paper creates a case where the UAVs with CCTV-cameras fly over the city area for flexible and…

Systems and Control · Electrical Eng. & Systems 2022-01-19 Won Joon Yun , Soohyun Park , Joongheon Kim , MyungJae Shin , Soyi Jung , David A. Mohaisen , Jae-Hyun Kim

Swarms of autonomous agents are useful in many applications due to their ability to accomplish tasks in a decentralized manner, making them more robust to failures. Due to the difficulty in running experiments with large numbers of hardware…

Robotics · Computer Science 2021-03-04 Chris Taylor , Cameron Nowzari

Safely integrating unmanned aerial vehicles into civil airspace is contingent upon development of a trustworthy collision avoidance system. This paper proposes an approach whereby a parameterized resolution logic that is considered trusted…

Robotics · Computer Science 2016-02-22 Zachary N. Sunberg , Mykel J. Kochenderfer , Marco Pavone
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