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Related papers: Guiding Vector Fields for Following Occluded Paths

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In this paper, we formulate a virtual target-based path following guidance law aimed towards multi-vehicle path following problem. The guidance law is well suited to precisely follow circular paths while minting desired distance between two…

Systems and Control · Computer Science 2017-11-21 Ishmaal Erekson , Rajnikant Sharma , Ashwini Ratnoo , Ryan Gerdes

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…

Vector-based algorithms are novel algorithms in optimal any-angle path planning that are motivated by bug algorithms, bypassing free space by directly conducting line-of-sight checks between two queried points, and searching along obstacle…

Robotics · Computer Science 2024-08-13 Yan Kai Lai

Vector fields are a highly abstract physical concept that is often taught using visualizations. Although vector representations are particularly suitable for visualizing quantitative data, they are often confusing, especially when…

Physics Education · Physics 2024-02-20 Christoph Hoyer , Raimund Girwidz

Multi-robot motion planning (MRMP) is the problem of finding collision-free paths for a set of robots in a continuous state space. The difficulty of MRMP increases with the number of robots and is exacerbated in environments with narrow…

Robotics · Computer Science 2023-11-17 Courtney McBeth , James Motes , Diane Uwacu , Marco Morales , Nancy M. Amato

In this paper, we propose a novel approach to wheeled robot navigation through an environment with movable obstacles. A robot exploits knowledge about different obstacle classes and selects the minimally invasive action to perform to clear…

Robotics · Computer Science 2023-05-09 Nikolay Zherdev , Mikhail Kurenkov , Kristina Belikova , Dzmitry Tsetserukou

As collaborative robots move closer to human environments, motion generation and reactive planning strategies that allow for elaborate task execution with minimal easy-to-implement guidance whilst coping with changes in the environment is…

We consider scenarios where a ground vehicle plans its path using data gathered by an aerial vehicle. In the aerial images, navigable areas of the scene may be occluded due to obstacles. Naively planning paths using aerial images may result…

Robotics · Computer Science 2022-04-26 Vishnu Dutt Sharma , Pratap Tokekar

We present a reusable formally verified safety net that provides end-to-end safety and liveness guarantees for 2D waypoint-following of Dubins-type ground robots with tolerances and acceleration. We: i) Model a robot in differential dynamic…

Robotics · Computer Science 2019-06-20 Brandon Bohrer , Yong Kiam Tan , Stefan Mitsch , Andrew Sogokon , André Platzer

When instructing robots, users want to flexibly express constraints, refer to arbitrary landmarks, and verify robot behavior, while robots must disambiguate instructions into specifications and ground instruction referents in the real…

Robotics · Computer Science 2025-04-01 Benedict Quartey , Eric Rosen , Stefanie Tellex , George Konidaris

This paper considers the simultaneous position and orientation planning of nonholonomic multirobot systems. Different from common researches which only focus on final position constraints, we model the nonholonomic mobile robot as a rigid…

Robotics · Computer Science 2022-09-05 Xiaodong He , Zhongkui Li

In this paper, we deal with the problem of full-body path planning for walking robots. The state of walking robots is defined in multi-dimensional space. Path planning requires defining the path of the feet and the robot's body. Moreover,…

Robotics · Computer Science 2023-03-07 Dominik Belter

We present a centralized algorithm for labeled, disk-shaped Multi-Robot Path Planning (MPP) in a continuous planar workspace with polygonal boundaries. Our method automatically transform the continuous problem into a discrete, graph-based…

Robotics · Computer Science 2022-07-20 Liang He , Zherong Pan , Kiril Solovey , Biao Jia , Dinesh Manocha

Humanoid robots are expected to navigate in changing environments and perform a variety of tasks. Frequently, these tasks require the robot to make decisions online regarding the speed and precision of following a reference path. For…

Robotics · Computer Science 2023-08-02 Kunal S. Narkhede , Dhruv A. Thanki , Abhijeet M. Kulkarni , Ioannis Poulakakis

Robotic assistance allows surgeons to perform dexterous and tremor-free procedures, but robotic aid is still underrepresented in procedures with constrained workspaces, such as deep brain neurosurgery and endonasal surgery. In these…

Robotics · Computer Science 2022-06-03 Murilo M. Marinho , Bruno V. Adorno , Kanako Harada , Mamoru Mitsuishi

Quadruped platforms have become an active topic of research due to their high mobility and traversability in rough terrain. However, it is highly challenging to determine whether the clattered environment could be passed by the robot and…

Robotics · Computer Science 2022-09-22 Ildar Babataev , Aleksey Fedoseev , Nipun Weerakkodi , Elena Nazarova , Dzmitry Tsetserukou

Safe robot navigation is a fundamental research field for autonomous robots including ground mobile robots and flying robots. The primary objective of a safe robot navigation algorithm is to guide an autonomous robot from its initial…

Robotics · Computer Science 2017-09-05 Hang Li

Path following controllers make the output of a control system approach and traverse a pre-specified path with no apriori time parametrization. In this paper we present a method for path following control design applicable to framed curves…

Robotics · Computer Science 2015-12-11 Rajan Gill , Dana Kulić , Christopher Nielsen

Sampling-based motion planning is a popular approach in robotics for finding paths in continuous configuration spaces. Checking collision with obstacles is the major computational bottleneck in this process. We propose new learning-based…

Robotics · Computer Science 2022-10-18 Chenning Yu , Sicun Gao

Legged robots, particularly quadrupeds, offer promising navigation capabilities, especially in scenarios requiring traversal over diverse terrains and obstacle avoidance. This paper addresses the challenge of enabling legged robots to…

Robotics · Computer Science 2023-10-12 Jianwei Liu , Shirui Lyu , Denis Hadjivelichkov , Valerio Modugno , Dimitrios Kanoulas
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