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Path planning for wheeled mobile robots is a critical component in the field of automation and intelligent transportation systems. Car-like vehicles, which have non-holonomic constraints on their movement capability impose additional…

机器人学 · 计算机科学 2024-11-28 Lukas Schichler , Karin Festl , Selim Solmaz , Daniel Watzenig

Robotic algorithms typically depend on various parameters, the choice of which significantly affects the robot's performance. While an initial guess for the parameters may be obtained from dynamic models of the robot, parameters are usually…

机器人学 · 计算机科学 2020-04-08 Felix Berkenkamp , Andreas Krause , Angela P. Schoellig

The general problem of planning feasible trajectories for multimodal robots is still an open challenge. This paper presents a whole-body trajectory optimisation approach that addresses this challenge by combining methods and tools developed…

Optimization-based trajectory generation methods are widely used in whole-body planning for robots. However, existing work either oversimplifies the robot's geometry and environment representation, resulting in a conservative trajectory, or…

机器人学 · 计算机科学 2023-03-03 Tingrui Zhang , Jingping Wang , Chao Xu , Alan Gao , Fei Gao

High-speed and high-acceleration movements are inherently hard to control. Applying learning to the control of such motions on anthropomorphic robot arms can improve the accuracy of the control but might damage the system. The inherent…

机器人学 · 计算机科学 2019-04-09 Dieter Büchler , Roberto Calandra , Jan Peters

Coordinated motion control in swarm robotics aims to ensure the coherence of members in space, i.e., the robots in a swarm perform coordinated movements to maintain spatial structures. This problem can be modeled as a tracking control…

机器人学 · 计算机科学 2021-05-28 Jian Yang , Yuhui Shi

Accurate positioning and fast traversal times determine the productivity in machining applications. This paper demonstrates a hierarchical contour control implementation for the increase of productivity in positioning systems. The…

系统与控制 · 电气工程与系统科学 2024-04-30 Alisa Rupenyan , Mohammad Khosravi , John Lygeros

Surgical skill directly affects surgical procedure outcomes; thus, effective training is needed to ensure satisfactory results. Many objective assessment metrics have been developed and some are widely used in surgical training simulators.…

机器人学 · 计算机科学 2021-02-23 Marzieh Ershad , Robert Rege , Ann Majewicz Fey

Planning and execution of agile locomotion maneuvers have been a longstanding challenge in legged robotics. It requires to derive motion plans and local feedback policies in real-time to handle the nonholonomy of the kinetic momenta. To…

Robotic arms are highly common in various automation processes such as manufacturing lines. However, these highly capable robots are usually degraded to simple repetitive tasks such as pick-and-place. On the other hand, designing an optimal…

机器人学 · 计算机科学 2024-01-31 Inbar Meir , Avital Bechar , Avishai Sintov

Modeling how a robot interacts with the environment around it is an important prerequisite for designing control and planning algorithms. In fact, the performance of controllers and planners is highly dependent on the quality of the model.…

机器学习 · 计算机科学 2020-03-03 Clark Zhang , Arbaaz Khan , Santiago Paternain , Alejandro Ribeiro

Traditional dynamic models of continuum robots are in general computationally expensive and not suitable for real-time control. Recent approaches using learning-based methods to approximate the dynamic model of continuum robots for control…

机器人学 · 计算机科学 2022-05-16 Xinran Wang , Nicolas Rojas

Numerical optimization has become a popular approach to plan smooth motion trajectories for robots. However, when sharing space with humans, balancing properly safety, comfort and efficiency still remains challenging. This is notably the…

机器人学 · 计算机科学 2022-10-25 Philipp Kratzer , Marc Toussaint , Jim Mainprice

Robots must make and break contact with the environment to perform useful tasks, but planning and control through contact remains a formidable challenge. In this work, we achieve real-time contact-implicit model predictive control with a…

机器人学 · 计算机科学 2025-05-06 Vince Kurtz , Alejandro Castro , Aykut Özgün Önol , Hai Lin

Robots are widely used in industry due to their efficiency and high accuracy in performance. One of the most intriguing issues in manufacturing stage of production line is to minimize significantly high percentage of energy consumed by…

机器人学 · 计算机科学 2018-06-26 Sourya Dipta Das , Victor Bain , Pratyusha Rakshit

Imitation learning has shown great potential for enabling robots to acquire complex manipulation behaviors. However, these algorithms suffer from high sample complexity in long-horizon tasks, where compounding errors accumulate over the…

机器人学 · 计算机科学 2024-08-20 Tian Gao , Soroush Nasiriany , Huihan Liu , Quantao Yang , Yuke Zhu

Widespread development of driverless vehicles has led to the formation of autonomous racing, where technological development is accelerated by the high speeds and competitive environment of motorsport. A particular challenge for an…

机器人学 · 计算机科学 2021-09-16 Sam Garlick , Andrew Bradley

For many tasks, predictive path-following control can significantly improve the performance and robustness of autonomous robots over traditional trajectory tracking control. It does this by prioritizing closeness to the path over timed…

机器人学 · 计算机科学 2017-11-03 Melissa Greeff , Angela P. Schoellig

In recent years, the demand for customized, on-demand production has grown in the manufacturing sector. Additive Manufacturing (AM) has emerged as a promising technology to enhance customization capabilities, enabling greater flexibility,…

机器人学 · 计算机科学 2025-07-01 Yifei Li , Joshua A. Robbins , Guha Manogharan , Herschel C. Pangborn , Ilya Kovalenko

Soft-growing robots are innovative devices that feature plant-inspired growth to navigate environments. Thanks to their embodied intelligence of adapting to their surroundings and the latest innovation in actuation and manufacturing, it is…

机器人学 · 计算机科学 2025-01-24 Fabio Stroppa