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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…

机器人学 · 计算机科学 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…

机器人学 · 计算机科学 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,…

计算几何 · 计算机科学 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…

机器人学 · 计算机科学 2020-06-23 Shuo Li , Erik van der Horst , Philipp Duernay , Christophe De Wagter , Guido C. H. E. de Croon

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…

计算机视觉与模式识别 · 计算机科学 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,…

机器人学 · 计算机科学 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,…

机器人学 · 计算机科学 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…

机器人学 · 计算机科学 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…

机器人学 · 计算机科学 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…

机器人学 · 计算机科学 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…

机器人学 · 计算机科学 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…

人工智能 · 计算机科学 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…

机器人学 · 计算机科学 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…

机器人学 · 计算机科学 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…

机器人学 · 计算机科学 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…

机器人学 · 计算机科学 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…

机器人学 · 计算机科学 2023-07-14 Mitchell Jones , Maximilian Haas-Heger , Jur van den Berg