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For many real-world robotics applications, robots need to continually adapt and learn new concepts. Further, robots need to learn through limited data because of scarcity of labeled data in the real-world environments. To this end, my…

Robotics · Computer Science 2021-01-27 Ali Ayub , Alan R. Wagner

Model-based control is a popular paradigm for robot navigation because it can leverage a known dynamics model to efficiently plan robust robot trajectories. However, it is challenging to use model-based methods in settings where the…

Robotics · Computer Science 2019-07-19 Somil Bansal , Varun Tolani , Saurabh Gupta , Jitendra Malik , Claire Tomlin

In this paper, we address the problem of vision-based obstacle avoidance for robotic manipulators. This topic poses challenges for both perception and motion generation. While most work in the field aims at improving one of those aspects,…

Robotics · Computer Science 2020-11-02 Elie Aljalbout , Ji Chen , Konstantin Ritt , Maximilian Ulmer , Sami Haddadin

The use of multi-camera views simultaneously has been shown to improve the generalization capabilities and performance of visual policies. However, the hardware cost and design constraints in real-world scenarios can potentially make it…

Robotics · Computer Science 2023-12-05 Cihan Acar , Kuluhan Binici , Alp Tekirdağ , Yan Wu

We present an integrated approach for perception and control for an autonomous vehicle and demonstrate this approach in a high-fidelity urban driving simulator. Our approach first builds a model for the environment, then trains a policy…

Systems and Control · Electrical Eng. & Systems 2020-03-19 Ali Baheri , Ilya Kolmanovsky , Anouck Girard , H. Eric Tseng , Dimitar Filev

Perceptual understanding of the scene and the relationship between its different components is important for successful completion of robotic tasks. Representation learning has been shown to be a powerful technique for this, but most of the…

Visual model-based reinforcement learning (RL) has the potential to enable sample-efficient robot learning from visual observations. Yet the current approaches typically train a single model end-to-end for learning both visual…

Robotics · Computer Science 2023-05-30 Younggyo Seo , Danijar Hafner , Hao Liu , Fangchen Liu , Stephen James , Kimin Lee , Pieter Abbeel

Robot navigation is a task where reinforcement learning approaches are still unable to compete with traditional path planning. State-of-the-art methods differ in small ways, and do not all provide reproducible, openly available…

Robotics · Computer Science 2020-12-09 Daniel Dugas , Juan Nieto , Roland Siegwart , Jen Jen Chung

Natural environments such as forests and grasslands are challenging for robotic navigation because of the false perception of rigid obstacles from high grass, twigs, or bushes. In this work, we present Wild Visual Navigation (WVN), an…

Demonstration-guided reinforcement learning (RL) is a promising approach for learning complex behaviors by leveraging both reward feedback and a set of target task demonstrations. Prior approaches for demonstration-guided RL treat every new…

Machine Learning · Computer Science 2021-07-22 Karl Pertsch , Youngwoon Lee , Yue Wu , Joseph J. Lim

Current end-to-end deep Reinforcement Learning (RL) approaches require jointly learning perception, decision-making and low-level control from very sparse reward signals and high-dimensional inputs, with little capability of incorporating…

Machine Learning · Computer Science 2019-10-10 Vibhavari Dasagi , Robert Lee , Serena Mou , Jake Bruce , Niko Sünderhauf , Jürgen Leitner

Predictive models have been at the core of many robotic systems, from quadrotors to walking robots. However, it has been challenging to develop and apply such models to practical robotic manipulation due to high-dimensional sensory…

Robotics · Computer Science 2020-09-14 Lucas Manuelli , Yunzhu Li , Pete Florence , Russ Tedrake

Reliable perception and efficient adaptation to novel conditions are priority skills for humanoids that function in dynamic environments. The vast advancements in latest computer vision research, brought by deep learning methods, are…

Robotics · Computer Science 2022-03-22 Elisa Maiettini , Vadim Tikhanoff , Lorenzo Natale

Reinforcement learning (RL) for bipedal locomotion has recently demonstrated robust gaits over moderate terrains using only proprioceptive sensing. However, such blind controllers will fail in environments where robots must anticipate and…

Robotics · Computer Science 2024-07-10 Helei Duan , Bikram Pandit , Mohitvishnu S. Gadde , Bart van Marum , Jeremy Dao , Chanho Kim , Alan Fern

Contact-rich manipulation tasks are commonly found in modern manufacturing settings. However, manually designing a robot controller is considered hard for traditional control methods as the controller requires an effective combination of…

Robotics · Computer Science 2020-10-27 Yunlei Shi , Zhaopeng Chen , Hongxu Liu , Sebastian Riedel , Chunhui Gao , Qian Feng , Jun Deng , Jianwei Zhang

Training visual control policies from scratch on a new robot typically requires generating large amounts of robot-specific data. How might we leverage data previously collected on another robot to reduce or even completely remove this need…

Machine Learning · Computer Science 2022-10-18 Edward S. Hu , Kun Huang , Oleh Rybkin , Dinesh Jayaraman

Multi-robot navigation is a challenging task in which multiple robots must be coordinated simultaneously within dynamic environments. We apply deep reinforcement learning (DRL) to learn a decentralized end-to-end policy which maps raw…

Robotics · Computer Science 2022-09-08 Christian Jestel , Hartmut Surmann , Jonas Stenzel , Oliver Urbann , Marius Brehler

Visual search of relevant targets in the environment is a crucial robot skill. We propose a preliminary framework for the execution monitor of a robot task, taking care of the robot attitude to visually searching the environment for targets…

Artificial Intelligence · Computer Science 2019-02-11 Lorenzo Mauro , Francesco Puja , Simone Grazioso , Valsamis Ntouskos , Marta Sanzari , Edoardo Alati , Fiora Pirri

In order for autonomous mobile robots to navigate in human spaces, they must abide by our social norms. Reinforcement learning (RL) has emerged as an effective method to train sequential decision-making policies that are able to respect…

Robotics · Computer Science 2024-03-01 Adam Sigal , Hsiu-Chin Lin , AJung Moon

Reinforcement Learning (RL) algorithms show amazing performance in recent years, but placing RL in real-world applications such as self-driven vehicles may suffer safety problems. A self-driven vehicle moving to a target position following…

Systems and Control · Electrical Eng. & Systems 2022-07-05 Huanhui Cao , Zhiyuan Cai , Hairuo Wei , Wenjie Lu , Lin Zhang , Hao Xiong