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This paper proposes an end-to-end deep reinforcement learning approach for mobile robot navigation with dynamic obstacles avoidance. Using experience collected in a simulation environment, a convolutional neural network (CNN) is trained to…

Robotics · Computer Science 2020-02-12 Guangda Chen , Lifan Pan , Yu'an Chen , Pei Xu , Zhiqiang Wang , Peichen Wu , Jianmin Ji , Xiaoping Chen

Obstacle avoidance for small unmanned aircraft is vital for the safety of future urban air mobility (UAM) and Unmanned Aircraft System (UAS) Traffic Management (UTM). There are many techniques for real-time robust drone guidance, but many…

Robotics · Computer Science 2021-11-16 Jueming Hu , Xuxi Yang , Weichang Wang , Peng Wei , Lei Ying , Yongming Liu

Mobile robot navigation in complex and dynamic environments is a challenging but important problem. Reinforcement learning approaches fail to solve these tasks efficiently due to reward sparsities, temporal complexities and…

Robotics · Computer Science 2018-04-30 Xi Chen , Ali Ghadirzadeh , John Folkesson , Patric Jensfelt

This paper explores the application of CNN-DNN network fusion to construct a robot navigation controller within a simulated environment. The simulated environment is constructed to model a subterranean rescue situation, such that an…

Robotics · Computer Science 2024-01-09 Andrew Gerstenslager , Jomol Lewis , Liam McKenna , Poorva Patel

Unmanned aerial vehicles (UAV) are commonly used for missions in unknown environments, where an exact mathematical model of the environment may not be available. This paper provides a framework for using reinforcement learning to allow the…

Robotics · Computer Science 2018-01-17 Huy X. Pham , Hung M. La , David Feil-Seifer , Luan V. Nguyen

Landing an unmanned aerial vehicle (UAV) on a ground marker is an open problem despite the effort of the research community. Previous attempts mostly focused on the analysis of hand-crafted geometric features and the use of external sensors…

Artificial Intelligence · Computer Science 2018-02-28 Riccardo Polvara , Massimiliano Patacchiola , Sanjay Sharma , Jian Wan , Andrew Manning , Robert Sutton , Angelo Cangelosi

Autonomous driving is a challenging domain that entails multiple aspects: a vehicle should be able to drive to its destination as fast as possible while avoiding collision, obeying traffic rules and ensuring the comfort of passengers. In…

Machine Learning · Computer Science 2019-02-28 Changjian Li , Krzysztof Czarnecki

This paper presents a novel reinforcement learning framework for trajectory tracking of unmanned aerial vehicles in cluttered environments using a dual-agent architecture. Traditional optimization methods for trajectory tracking face…

Robotics · Computer Science 2024-11-01 Shaswat Garg , Houman Masnavi , Baris Fidan , Farrokh Janabi-Sharifi

"Embodied visual navigation" problem requires an agent to navigate in a 3D environment mainly rely on its first-person observation. This problem has attracted rising attention in recent years due to its wide application in autonomous…

Robotics · Computer Science 2021-10-12 Fengda Zhu , Yi Zhu , Vincent CS Lee , Xiaodan Liang , Xiaojun Chang

Visual navigation tasks in real-world environments often require both self-motion and place recognition feedback. While deep reinforcement learning has shown success in solving these perception and decision-making problems in an end-to-end…

Robotics · Computer Science 2020-03-03 Marvin Chancán , Michael Milford

This paper addresses the problem of real-time vision-based autonomous obstacle avoidance in unstructured environments for quadrotor UAVs. We assume that our UAV is equipped with a forward facing stereo camera as the only sensor to perceive…

Robotics · Computer Science 2020-10-20 Shakeeb Ahmad , Rafael Fierro

In this paper, we investigate the obstacle avoidance and navigation problem in the robotic control area. For solving such a problem, we propose revised Deep Deterministic Policy Gradient (DDPG) and Proximal Policy Optimization algorithms…

Robotics · Computer Science 2020-04-13 Daniel Zhang , Colleen P. Bailey

Unmanned Aerial Vehicles (UAV) have been standing out due to the wide range of applications in which they can be used autonomously. However, they need intelligent systems capable of providing a greater understanding of what they perceive to…

Robotics · Computer Science 2022-09-15 Matheus G. Mateus , Ricardo B. Grando , Paulo L. J. Drews-Jr

How can a robot navigate successfully in rich and diverse environments, indoors or outdoors, along office corridors or trails on the grassland, on the flat ground or the staircase? To this end, this work aims to address three challenges:…

Robotics · Computer Science 2022-06-01 Bo Ai , Wei Gao , Vinay , David Hsu

We develop a new framework for multi-agent collision avoidance problem. The framework combined traditional pathfinding algorithm and reinforcement learning. In our approach, the agents learn whether to be navigated or to take simple actions…

Multiagent Systems · Computer Science 2020-12-17 Hongda Qiu

Target tracking in unknown real-world environments in the presence of obstacles and target motion uncertainty demand agents to develop an intrinsic understanding of the environment in order to predict the suitable actions to be taken at…

Robotics · Computer Science 2021-05-13 Sarthak Bhagat , P. B. Sujit

Traversing 3-D complex environments has always been a significant challenge for legged locomotion. Existing methods typically rely on external sensors such as vision and lidar to preemptively react to obstacles by acquiring environmental…

Robotics · Computer Science 2024-07-16 Yi Cheng , Hang Liu , Guoping Pan , Linqi Ye , Houde Liu , Bin Liang

This work contributes a novel deep navigation policy that enables collision-free flight of aerial robots based on a modular approach exploiting deep collision encoding and reinforcement learning. The proposed solution builds upon a deep…

Robotics · Computer Science 2024-02-07 Mihir Kulkarni , Kostas Alexis

Robots that navigate among pedestrians use collision avoidance algorithms to enable safe and efficient operation. Recent works present deep reinforcement learning as a framework to model the complex interactions and cooperation. However,…

Robotics · Computer Science 2018-05-08 Michael Everett , Yu Fan Chen , Jonathan P. How

This project aimed to develop an automated cinematography platform using an unmanned aerial vehicle. Quadcopters are a great platform for shooting aerial scenes but are difficult to maneuver smoothly and can require expertise to pilot. We…

Robotics · Computer Science 2024-09-04 Animesh Nema , Christopher Grontkowski , Derek Calzada , Sanjuksha Nirgude