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Path planning is an important problem with the the applications in many aspects, such as video games, robotics etc. This paper proposes a novel method to address the problem of Deep Reinforcement Learning (DRL) based path planning for a…

Robotics · Computer Science 2024-04-11 Hao Liu , Yi Shen , Shuangjiang Yu , Zijun Gao , Tong Wu

This paper investigates different methods to detect obstacles ahead of a robot using a camera in the robot, an aerial camera, and an ultrasound sensor. We also explored various efficient path finding methods for the robot to navigate to the…

Robotics · Computer Science 2020-12-08 Poojith Kotikalapudi , Vinayak Elangovan

This paper presents an optimal $\Theta(n \log n)$ algorithm for determining time-minimal rectilinear paths among $n$ transient rectilinear obstacles. An obstacle is transient if it exists in the scene only for a specific time interval,…

Computational Geometry · Computer Science 2018-09-25 Anil Maheshwari , Arash Nouri , Jörg-Rüdiger Sack

We present our approach for the development, validation and deployment of a data-driven decision-making function for the automated control of a vehicle. The decisionmaking function, based on an artificial neural network is trained to steer…

Drone racing is becoming a popular e-sport all over the world, and beating the best human drone race pilots has quickly become a new major challenge for artificial intelligence and robotics. In this paper, we propose a strategy for…

The detection of 3D objects from LiDAR data is a critical component in most autonomous driving systems. Safe, high speed driving needs larger detection ranges, which are enabled by new LiDARs. These larger detection ranges require more…

Computer Vision and Pattern Recognition · Computer Science 2021-06-28 Pei Sun , Weiyue Wang , Yuning Chai , Gamaleldin Elsayed , Alex Bewley , Xiao Zhang , Cristian Sminchisescu , Dragomir Anguelov

To operate with limited sensor horizons in unpredictable environments, autonomous robots use a receding-horizon strategy to plan trajectories, wherein they execute a short plan while creating the next plan. However, creating safe,…

Robotics · Computer Science 2020-04-24 Shreyas Kousik , Sean Vaskov , Fan Bu , Matthew Johnson-Roberson , Ram Vasudevan

This paper focuses on Passable Obstacles Aware (POA) planner - a novel navigation method for two-wheeled robots in a highly cluttered environment. The navigation algorithm detects and classifies objects to distinguish two types of obstacles…

Distance-based reward mechanisms in deep reinforcement learning (DRL) navigation systems suffer from critical safety limitations in dynamic environments, frequently resulting in collisions when visibility is restricted. We propose DRL-NSUO,…

Robotics · Computer Science 2025-03-04 Mingao Tan , Shanze Wang , Biao Huang , Zhibo Yang , Rongfei Chen , Xiaoyu Shen , Wei Zhang

Mobile autonomous robots include numerous sensors for environment perception. Cameras are an essential tool for robot's localization, navigation, and obstacle avoidance. To process a large flow of data from the sensors, it is necessary to…

Local or reactive navigation is essential for autonomous mobile robots which operate in an indoor environment. Techniques such as SLAM, computer vision require significant computational power which increases cost. Similarly, using…

Robotics · Computer Science 2021-11-25 Yash Srivastava , Saumya Singh , S. P. Syed Ibrahim

Automated Guided Vehicles (AGVs) are essential in various industries for their efficiency and adaptability. However, planning trajectories for AGVs in obstacle-dense, unstructured environments presents significant challenges due to the…

Robotics · Computer Science 2024-03-13 Shaoqiang Liang , Songyuan Fa , Yiqun Li

This paper presents algorithms to navigate and avoid obstacles for an in-door autonomous mobile robot. A laser range finder is used to obtain 3D images of the environment. A new algorithm, namely 3D-to-2D image pressure and barriers…

Robotics · Computer Science 2016-11-30 T. T. Hoang , D. T. Hiep , P. M. Duong , N. T. T. Van , B. G. Duong , T. Q. Vinh

Evaluating and updating the obstacle avoidance velocity for an autonomous robot in real-time ensures robustness against noise and disturbances. A passive damping controller can obtain the desired motion with a torque-controlled robot, which…

Robotics · Computer Science 2024-07-16 Lukas Huber , Thibaud Trinca , Jean-Jacques Slotine , Aude Billard

Autonomous Driving System (ADS) testing is crucial in ADS development, with the current primary focus being on safety. However, the evaluation of non-safety-critical performance, particularly the ADS's ability to make optimal decisions and…

Artificial Intelligence · Computer Science 2025-01-29 Mingfei Cheng , Yuan Zhou , Xiaofei Xie , Junjie Wang , Guozhu Meng , Kairui Yang

An autonomous robot with a limited vision range finds a path to the goal in an unknown environment in 2D avoiding polygonal obstacles. In the process of discovering the environmental map, the robot has to return to some positions marked…

Robotics · Computer Science 2023-12-19 Phan Thanh An , Nguyen Thi Le

Path planning is a major problem in autonomous vehicles. In recent years, with the increase in applications of Unmanned Aerial Vehicles (UAVs), one of the main challenges is path planning, particularly in adversarial environments. In this…

Robotics · Computer Science 2020-04-21 Mohammad Reza Ranjbar Divkoti , Mostafa Nouri-Baygi

We present a system that enables an autonomous small-scale RC car to drive aggressively from visual observations using reinforcement learning (RL). Our system, FastRLAP (faster lap), trains autonomously in the real world, without human…

Robotics · Computer Science 2023-04-20 Kyle Stachowicz , Dhruv Shah , Arjun Bhorkar , Ilya Kostrikov , Sergey Levine

Autonomous mobile robots are usually faced with challenging situations when driving in complex environments. Namely, they have to recognize the static and dynamic obstacles, plan the driving path and execute their motion. For addressing the…

Robotics · Computer Science 2021-06-03 Bogdan Trasnea , Cosmin Ginerica , Mihai Zaha , Gigel Macesanu , Claudiu Pozna , Sorin Grigorescu

We present an algorithm that, given a representation of a road network in lane-level detail, computes a route that minimizes the expected cost to reach a given destination. In doing so, our algorithm allows us to solve for the complex…

Robotics · Computer Science 2023-07-14 Mitchell Jones , Maximilian Haas-Heger , Jur van den Berg