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Robot navigation in dense human crowds poses a significant challenge due to the complexity of human behavior in dynamic and obstacle-rich environments. In this work, we propose a dynamic weight adjustment scheme using a neural network to…

机器人学 · 计算机科学 2024-12-03 Muqing Cao , Xinhang Xu , Yizhuo Yang , Jianping Li , Tongxing Jin , Pengfei Wang , Tzu-Yi Hung , Guosheng Lin , Lihua Xie

Momentum observer (MOB) can estimate external joint torque without requiring additional sensors, such as force/torque or joint torque sensors. However, the estimation performance of MOB deteriorates due to the model uncertainty which…

机器人学 · 计算机科学 2025-01-24 Daegyu Lim , Myeong-Ju Kim , Junhyeok Cha , Jaeheung Park

While there has been remarkable progress recently in the fields of manipulation and locomotion, mobile manipulation remains a long-standing challenge. Compared to locomotion or static manipulation, a mobile system must make a diverse range…

机器人学 · 计算机科学 2024-05-14 Shagun Uppal , Ananye Agarwal , Haoyu Xiong , Kenneth Shaw , Deepak Pathak

Robots need to be able to work in multiple different environments. Even when performing similar tasks, different behaviour should be deployed to best fit the current environment. In this paper, We propose a new approach to navigation, where…

机器人学 · 计算机科学 2021-06-04 Xihan Bian , Oscar Mendez , Simon Hadfield

Navigating robots safely and efficiently in crowded and complex environments remains a significant challenge. However, due to the dynamic and intricate nature of these settings, planning efficient and collision-free paths for robots to…

机器人学 · 计算机科学 2024-10-22 Zhuanglei Wen , Mingze Dong , Xiai Chen

Mobile robots rely on maps to navigate through an environment. In the absence of any map, the robots must build the map online from partial observations as they move in the environment. Traditional methods build a map using only direct…

机器人学 · 计算机科学 2024-10-14 Vishnu Dutt Sharma

Safe autonomous navigation in unknown environments is an important problem for mobile robots. This paper proposes techniques to learn the dynamics model of a mobile robot from trajectory data and synthesize a tracking controller with safety…

机器人学 · 计算机科学 2022-04-11 Zhichao Li , Thai Duong , Nikolay Atanasov

Autonomous locomotion for mobile ground robots in unstructured environments such as waypoint navigation or flipper control requires a sufficiently accurate prediction of the robot-terrain interaction. Heuristics like occupancy grids or…

机器人学 · 计算机科学 2024-05-06 Martin Oehler , Oskar von Stryk

Snakes can move through almost any terrain. Although their locomotion on flat surfaces using planar gaits is inherently stable, when snakes deform their body out of plane to traverse complex terrain, maintaining stability becomes a…

生物物理 · 物理学 2025-09-18 Qiyuan Fu , Chen Li

Most Siamese network-based trackers perform the tracking process without model update, and cannot learn targetspecific variation adaptively. Moreover, Siamese-based trackers infer the new state of tracked objects by generating axis-aligned…

计算机视觉与模式识别 · 计算机科学 2020-11-19 Yang Fang , Geun-Sik Jo , Chang-Hee Lee

Mobile robots should be capable of planning cost-efficient paths for autonomous navigation. Typically, the terrain and robot properties are subject to variations. For instance, properties of the terrain such as friction may vary across…

机器人学 · 计算机科学 2024-09-19 Jan Achterhold , Suresh Guttikonda , Jens U. Kreber , Haolong Li , Joerg Stueckler

Social navigation is the capability of an autonomous agent, such as a robot, to navigate in a 'socially compliant' manner in the presence of other intelligent agents such as humans. With the emergence of autonomously navigating mobile…

Compared to other biometrics, gait is difficult to conceal and has the advantage of being unobtrusive. Inertial sensors, such as accelerometers and gyroscopes, are often used to capture gait dynamics. These inertial sensors are commonly…

机器学习 · 计算机科学 2020-04-30 Qin Zou , Yanling Wang , Qian Wang , Yi Zhao , Qingquan Li

Navigation and motion control of a robot to a destination are tasks that have historically been performed with the assumption that contact with the environment is harmful. This makes sense for rigid-bodied robots where obstacle collisions…

机器人学 · 计算机科学 2021-02-10 Joseph D. Greer , Laura H. Blumenschein , Ron Alterovitz , Elliot W. Hawkes , Allison M. Okamura

Wheeled-legged robots have the potential for highly agile and versatile locomotion. The combination of legs and wheels might be a solution for any real-world application requiring rapid, and long-distance mobility skills on challenging…

机器人学 · 计算机科学 2020-02-07 Marko Bjelonic , Prajish K. Sankar , C. Dario Bellicoso , Heike Vallery , Marco Hutter

Robots often have to deal with the challenges of operating in dynamic and sometimes unpredictable environments. Although an occupancy map of the environment is sufficient for navigation of a mobile robot or manipulation tasks with a robotic…

机器人学 · 计算机科学 2018-09-05 Ransalu Senanayake , Fabio Ramos

Rectilinear forms of snake-like robotic locomotion are anticipated to be an advantage in obstacle-strewn scenarios characterizing urban disaster zones, subterranean collapses, and other natural environments. The elongated, laterally-narrow…

机器人学 · 计算机科学 2019-08-21 Alexander H. Chang , Shiyu Feng , Yipu Zhao , Justin S. Smith , Patricio A. Vela

Terrain adaptation is an essential capability for a ground robot to effectively traverse unstructured off-road terrain in real-world field environments such as forests. However, the expected robot behaviors generated by terrain adaptation…

机器人学 · 计算机科学 2021-01-05 Sriram Siva , Maggie Wigness , John G. Rogers , Hao Zhang

Collision-free motion is essential for mobile robots. Most approaches to collision-free and efficient navigation with wheeled robots require parameter tuning by experts to obtain good navigation behavior. This study investigates the…

机器人学 · 计算机科学 2024-08-08 Hamid Taheri , Seyed Rasoul Hosseini , Mohammad Ali Nekoui

This paper presents a framework that allows online dynamic-stability-constrained optimal trajectory planning of a mobile manipulator robot working on rough terrain. First, the kinematics model of a mobile manipulator robot, and the Zero…

机器人学 · 计算机科学 2021-05-11 Jiazhi Song , Inna Sharf