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Traffic prediction has drawn increasing attention in AI research field due to the increasing availability of large-scale traffic data and its importance in the real world. For example, an accurate taxi demand prediction can assist taxi…

机器学习 · 计算机科学 2018-11-06 Huaxiu Yao , Xianfeng Tang , Hua Wei , Guanjie Zheng , Zhenhui Li

We present a control method for improved repetitive path following for a ground vehicle that is geared towards long-term operation where the operating conditions can change over time and are initially unknown. We use weighted Bayesian…

机器人学 · 计算机科学 2019-04-10 Christopher D. McKinnon , Angela P. Schoellig

Autonomous mobility tasks such as lastmile delivery require reasoning about operator indicated preferences over terrains on which the robot should navigate to ensure both robot safety and mission success. However, coping with out of…

机器人学 · 计算机科学 2023-09-28 Haresh Karnan , Elvin Yang , Garrett Warnell , Joydeep Biswas , Peter Stone

Owing to uncertainties in both kinematics and dynamics, the current trajectory tracking framework for mobile robots like spherical robots cannot function effectively on multiple terrains, especially uneven and unknown ones. Since this is a…

机器人学 · 计算机科学 2023-06-13 Yifan Liu , Tao Hu , Xiaoqing Guan , Yixu Wang , Bixuan Zhang , You Wang , Guang Li

In this paper we tackle the problem of visually predicting surface friction for environments with diverse surfaces, and integrating this knowledge into biped robot locomotion planning. The problem is essential for autonomous robot…

机器人学 · 计算机科学 2017-06-28 Martim Brandao , Yukitoshi Minami Shiguematsu , Kenji Hashimoto , Atsuo Takanishi

Reasoning about human motion is an important prerequisite to safe and socially-aware robotic navigation. As a result, multi-agent behavior prediction has become a core component of modern human-robot interactive systems, such as…

机器人学 · 计算机科学 2021-01-14 Tim Salzmann , Boris Ivanovic , Punarjay Chakravarty , Marco Pavone

Estimating terrain traversability in off-road environments requires reasoning about complex interaction dynamics between the robot and these terrains. However, it is challenging to create informative labels to learn a model in a supervised…

Road condition is an important environmental factor for autonomous vehicle control. A dramatic change in the road condition from the nominal status is a source of uncertainty that can lead to a system failure. Once the vehicle encounters an…

系统与控制 · 电气工程与系统科学 2020-09-30 Hunmin Kim , Wenbin Wan , Naira Hovakimyan , Lui Sha , Petros Voulgaris

We propose a novel framework for enhancing robotic adaptability and learning efficiency, which integrates unsupervised trajectory segmentation with adaptive probabilistic movement primitives (ProMPs). By employing a cutting-edge deep…

机器人学 · 计算机科学 2024-05-01 Tianci Gao

Robots can rapidly acquire new skills from demonstrations. However, during generalisation of skills or transitioning across fundamentally different skills, it is unclear whether the robot has the necessary knowledge to perform the task.…

Learning-based behavior prediction methods are increasingly being deployed in real-world autonomous systems, e.g., in fleets of self-driving vehicles, which are beginning to commercially operate in major cities across the world. Despite…

机器学习 · 计算机科学 2023-05-24 Boris Ivanovic , James Harrison , Marco Pavone

Predicting the behavior of surrounding traffic participants is crucial for advanced driver assistance systems and autonomous driving. Most researchers however do not consider contextual knowledge when predicting vehicle motion. Extending…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Florian Wirthmüller , Julian Schlechtriemen , Jochen Hipp , Manfred Reichert

Autonomous systems, including robots and drones, face significant challenges when navigating through dynamic environments, particularly within urban settings where obstacles, fluctuating traffic, and pedestrian activity are constantly…

机器人学 · 计算机科学 2024-11-20 Daniel Ajeleye

Creating accurate spatial representations that take into account uncertainty is critical for autonomous robots to safely navigate in unstructured environments. Although recent LIDAR based mapping techniques can produce robust occupancy…

计算机视觉与模式识别 · 计算机科学 2020-07-02 Anthony Tompkins , Ransalu Senanayake , Fabio Ramos

There is a growing demand for mobile robots to operate in more variable environments, where guaranteeing safe robot navigation is a priority, in addition to time performance. To achieve this, current solutions for local planning use a…

机器人学 · 计算机科学 2021-11-25 Darko Bozhinoski , Jasper Wijkhuizen

Predicting the motion of surrounding vehicles is essential for autonomous vehicles, as it governs their own motion plan. Current state-of-the-art vehicle prediction models heavily rely on map information. In reality, however, this…

计算机视觉与模式识别 · 计算机科学 2022-02-11 Julian Schmidt , Julian Jordan , Franz Gritschneder , Klaus Dietmayer

Equipping active colloidal robots with intelligence such that they can efficiently navigate in unknown complex environments could dramatically impact their use in emerging applications like precision surgery and targeted drug delivery. Here…

软凝聚态物质 · 物理学 2019-08-01 Yuguang Yang , Michael A. Bevan , Bo Li

Accurately predicting the dynamics of robotic systems is crucial for model-based control and reinforcement learning. The most common way to estimate dynamics is by fitting a one-step ahead prediction model and using it to recursively…

机器学习 · 计算机科学 2021-09-02 Nathan O. Lambert , Albert Wilcox , Howard Zhang , Kristofer S. J. Pister , Roberto Calandra

This paper contributes a method to design a novel navigation planner exploiting a learning-based collision prediction network. The neural network is tasked to predict the collision cost of each action sequence in a predefined motion…

机器人学 · 计算机科学 2022-05-10 Huan Nguyen , Sondre Holm Fyhn , Paolo De Petris , Kostas Alexis

Autonomous robot navigation in off-road environments presents a number of challenges due to its lack of structure, making it difficult to handcraft robust heuristics for diverse scenarios. While learned methods using hand labels or…