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There are two major challenges for scaling up robot navigation around dynamic obstacles: the complex interaction dynamics of the obstacles can be hard to model analytically, and the complexity of planning and control grows exponentially in…

机器人学 · 计算机科学 2023-07-07 Hongzhan Yu , Chiaki Hirayama , Chenning Yu , Sylvia Herbert , Sicun Gao

Forestry cranes operate in dynamic, unstructured outdoor environments where simultaneous collision avoidance and payload sway control are critical for safe navigation. Existing approaches address these challenges separately, either focusing…

We introduce a novel approach to dynamic obstacle avoidance based on Deep Reinforcement Learning by defining a traffic type independent environment with variable complexity. Filling a gap in the current literature, we thoroughly investigate…

机器学习 · 计算机科学 2021-12-30 Fabian Hart , Martin Waltz , Ostap Okhrin

Recently, vision-based control has gained traction by leveraging the power of machine learning. In this work, we couple a model predictive control (MPC) framework to a visual pipeline. We introduce deep optical flow (DOF) dynamics, which is…

机器人学 · 计算机科学 2020-01-09 Keuntaek Lee , Jason Gibson , Evangelos A. Theodorou

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…

人工智能 · 计算机科学 2017-04-25 Hyunmin Chae , Chang Mook Kang , ByeoungDo Kim , Jaekyum Kim , Chung Choo Chung , Jun Won Choi

In the field of autonomous robots, reinforcement learning (RL) is an increasingly used method to solve the task of dynamic obstacle avoidance for mobile robots, autonomous ships, and drones. A common practice to train those agents is to use…

机器人学 · 计算机科学 2022-12-09 Fabian Hart , Ostap Okhrin

Advanced Driver Assistance Systems (ADAS) and Advanced Driving Systems (ADS) are key to improving road safety, yet most existing implementations focus primarily on the vehicle ahead, neglecting the behavior of following vehicles. This…

机器人学 · 计算机科学 2025-04-29 Dianwei Chen , Yaobang Gong , Xianfeng Yang

Dynamic obstacle avoidance is a popular research topic for autonomous systems, such as micro aerial vehicles and service robots. Accurately evaluating the performance of dynamic obstacle avoidance methods necessitates the establishment of a…

机器人学 · 计算机科学 2024-04-24 Moji Shi , Gang Chen , Álvaro Serra Gómez , Siyuan Wu , Javier Alonso-Mora

Trajectory planning and control have historically been separated into two modules in automated driving stacks. Trajectory planning focuses on higher-level tasks like avoiding obstacles and staying on the road surface, whereas the controller…

机器人学 · 计算机科学 2022-09-21 Rowan Dempster , Mohammad Al-Sharman , Derek Rayside , William Melek

Obstacle avoidance is one of the essential and indispensable functions for autonomous mobile robots. Most of the existing solutions are typically based on single condition constraint and cannot incorporate sensor data in a real-time manner,…

机器人学 · 计算机科学 2020-07-02 Wei Chen , Jian Sun , Weishuo Li , Dapeng Zhao

Established techniques that enable robots to learn from demonstrations are based on learning a stable dynamical system (DS). To increase the robots' resilience to perturbations during tasks that involve static obstacle avoidance, we propose…

For active intervention tasks in underwater environments, the use of autonomous vehicles is just now emerging as an active area of research. During operation, for various reasons, the robot might find itself on a collision course with an…

机器人学 · 计算机科学 2026-01-28 Ioannis G. Polyzos , Konstantinos J. Kyriakopoulos

The deployment of humanoid robots in unstructured, human-centric environments requires navigation capabilities that extend beyond simple locomotion to include robust perception, provable safety, and socially aware behavior. Current…

机器人学 · 计算机科学 2025-08-12 Zifan Wang , Xun Yang , Jianzhuang Zhao , Jiaming Zhou , Teli Ma , Ziyao Gao , Arash Ajoudani , Junwei Liang

Motion planning failures during autonomous navigation often occur when safety constraints are either too conservative, leading to deadlocks, or too liberal, resulting in collisions. To improve robustness, a robot must dynamically adapt its…

机器人学 · 计算机科学 2025-03-12 Nicholas Mohammad , Nicola Bezzo

Mobile robots operating in crowded environments require the ability to navigate among humans and surrounding obstacles efficiently while adhering to safety standards and socially compliant mannerisms. This scale of the robot navigation…

机器人学 · 计算机科学 2025-08-15 Yung Chuen Ng , Qi Wen Shervina Lim , Chun Ye Tan , Zhen Hao Gan , Meng Yee Michael Chuah

Developing a safe and efficient collision avoidance policy for multiple robots is challenging in the decentralized scenarios where each robot generate its paths without observing other robots' states and intents. While other distributed…

机器人学 · 计算机科学 2018-05-22 Pinxin Long , Tingxiang Fan , Xinyi Liao , Wenxi Liu , Hao Zhang , Jia Pan

Human awareness in robot motion planning is crucial for seamless interaction with humans. Many existing techniques slow down, stop, or change the robot's trajectory locally to avoid collisions with humans. Although using the information on…

机器人学 · 计算机科学 2022-10-24 Marco Faroni , Manuel Beschi , Nicola Pedrocchi

Autonomous robot navigation systems often rely on hierarchical planning, where global planners compute collision-free paths without considering dynamics, and local planners enforce dynamics constraints to produce executable commands. This…

机器人学 · 计算机科学 2025-10-14 Yuanjie Lu , Mingyang Mao , Tong Xu , Linji Wang , Xiaomin Lin , Xuesu Xiao

In many human-in-the-loop robotic applications such as robot-assisted surgery and remote teleoperation, predicting the intended motion of the human operator may be useful for successful implementation of shared control, guidance virtual…

机器人学 · 计算机科学 2018-03-28 Arun Kumar Singh , Sigal Berman , Ilana Nisky

We present safe control of partially-observed linear time-varying systems in the presence of unknown and unpredictable process and measurement noise. We introduce a control algorithm that minimizes dynamic regret, i.e., that minimizes the…

系统与控制 · 电气工程与系统科学 2023-04-03 Hongyu Zhou , Vasileios Tzoumas