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We investigate the feasibility of deploying reinforcement learning (RL) policies for constrained crowd navigation using a low-fidelity simulator. We introduce a representation of the dynamic environment, separating human and obstacle…

Robotics · Computer Science 2024-05-29 Shuijing Liu , Kaiwen Hong , Neeloy Chakraborty , Katherine Driggs-Campbell

The rise of embodied AI has greatly improved the possibility of general mobile agent systems. At present, many evaluation platforms with rich scenes, high visual fidelity and various application scenarios have been developed. In this paper,…

Robotics · Computer Science 2024-10-30 Haoran Li , Shasha Liu , Mingjun Ma , Guangzheng Hu , Yaran Chen , Dongbin Zhao

We present Sym2Real, a fully data-driven framework that provides a principled way to train low-level adaptive controllers in a highly data-efficient manner. Using only about 10 trajectories, we achieve robust control of both a quadrotor and…

Robotics · Computer Science 2025-09-22 Easop Lee , Samuel A. Moore , Boyuan Chen

Sim-to-real transfer is a powerful paradigm for robotic reinforcement learning. The ability to train policies in simulation enables safe exploration and large-scale data collection quickly at low cost. However, prior works in sim-to-real…

Navigation and manipulation are core capabilities in Embodied AI, yet training agents with these capabilities in the real world faces high costs and time complexity. Therefore, sim-to-real transfer has emerged as a key approach, yet the…

Robotics · Computer Science 2025-05-06 Lik Hang Kenny Wong , Xueyang Kang , Kaixin Bai , Jianwei Zhang

Transferring learning-based models to the real world remains one of the hardest problems in model-free control theory. Due to the cost of data collection on a real robot and the limited sample efficiency of Deep Reinforcement Learning…

Robotics · Computer Science 2020-05-01 Thomas Chaffre , Julien Moras , Adrien Chan-Hon-Tong , Julien Marzat

Deep Reinforcement Learning (DRL) has shown remarkable success in solving complex tasks across various research fields. However, transferring DRL agents to the real world is still challenging due to the significant discrepancies between…

Machine Learning · Computer Science 2024-10-22 Dianzhao Li , Ostap Okhrin

Deep Reinforcement Learning (DRL) offers a robust alternative to traditional control methods for autonomous underwater docking, particularly in adapting to unpredictable environmental conditions. However, bridging the "sim-to-real" gap and…

Robotics · Computer Science 2026-03-13 Alaaeddine Chaarani , Narcis Palomeras , Pere Ridao

Robotic systems driven by artificial muscles present unique challenges due to the nonlinear dynamics of actuators and the complex designs of mechanical structures. Traditional model-based controllers often struggle to achieve desired…

Robotics · Computer Science 2025-08-12 Jiyue Tao , Yunsong Zhang , Sunil Kumar Rajendran , Feitian Zhang

Autonomous driving is complex, requiring sophisticated 3D scene understanding, localization, mapping, and control. Rather than explicitly modelling and fusing each of these components, we instead consider an end-to-end approach via…

Machine Learning · Computer Science 2022-10-27 John So , Amber Xie , Sunggoo Jung , Jeffrey Edlund , Rohan Thakker , Ali Agha-mohammadi , Pieter Abbeel , Stephen James

Legged robots must achieve both robust locomotion and energy efficiency to be practical in real-world environments. Yet controllers trained in simulation often fail to transfer reliably, and most existing approaches neglect…

Robotics · Computer Science 2025-09-09 Filip Bjelonic , Fabian Tischhauser , Marco Hutter

This paper addresses a new strategy called Simulation-to-Real-to-Simulation (Sim2Real2Sim) to bridge the gap between simulation and real-world, and automate a flexible object manipulation task. This strategy consists of three steps: (1)…

Robotics · Computer Science 2020-02-11 Peng Chang , Taskin Padir

We address the challenge of enhancing navigation autonomy for planetary space rovers using reinforcement learning (RL). The ambition of future space missions necessitates advanced autonomous navigation capabilities for rovers to meet…

Deep reinforcement learning (DRL) is a promising approach to solve complex control tasks by learning policies through interactions with the environment. However, the training of DRL policies requires large amounts of training experiences,…

Machine Learning · Computer Science 2023-01-02 Hongpeng Cao , Mirco Theile , Federico G. Wyrwal , Marco Caccamo

Learning generalizable robot manipulation policies, especially for complex multi-fingered humanoids, remains a significant challenge. Existing approaches primarily rely on extensive data collection and imitation learning, which are…

Robotics · Computer Science 2025-09-03 Toru Lin , Kartik Sachdev , Linxi Fan , Jitendra Malik , Yuke Zhu

Deep Reinforcement Learning (DRL) is hugely successful due to the availability of realistic simulated environments. However, performance degradation during simulation to real-world transfer still remains a challenging problem for the…

Robotics · Computer Science 2022-05-20 Kasun Weerakoon , Adarsh Jagan Sathyamoorthy , Dinesh Manocha

Sim-to-real is a mainstream method to cope with the large number of trials needed by typical deep reinforcement learning methods. However, transferring a policy trained in simulation to actual hardware remains an open challenge due to the…

Robotics · Computer Science 2023-12-11 Shimpei Masuda , Kuniyuki Takahashi

Off-road navigation is a challenging problem both at the planning level to get a smooth trajectory and at the control level to avoid flipping over, hitting obstacles, or getting stuck at a rough patch. There have been several recent works…

Robotics · Computer Science 2024-04-16 Dvij Kalaria , Shreya Sharma , Sarthak Bhagat , Haoru Xue , John M. Dolan

Sim2Real transfer has gained popularity because it helps transfer from inexpensive simulators to real world. This paper presents a novel system that fuses components in a traditional World Model into a robust system, trained entirely within…

Robotics · Computer Science 2024-03-26 Kiran Lekkala , Chen Liu , Laurent Itti

Developing robust vision-guided controllers for quadrupedal robots in complex environments, with various obstacles, dynamical surroundings and uneven terrains, is very challenging. While Reinforcement Learning (RL) provides a promising…