Filters








349 Hits in 4.6 sec

Visibility-optimal gathering of seven autonomous mobile robots on triangular grids

Masahiro Shibata, Masaki Ohyabu, Yuichi Sudo, Junya Nakamura, Yonghwan Kim, Yoshiaki Katayama
2022 International Journal of Networking and Computing  
In this paper, we consider the gathering problem of seven autonomous mobile robots on triangular grids.  ...  For the case of seven robots, gathering is achieved when one robot has six adjacent robot nodes (they form a shape like a hexagon).  ...  of Tatematsu.  ... 
doi:10.15803/ijnc.12.1_2 fatcat:6kzrfuy3dvbr5jhcwgaoxriouq

Decentralized Autonomous Navigation Strategies for Multi-Robot Search and Rescue [article]

Ahmad Baranzadeh
2016 arXiv   pre-print
We propose three novel algorithms that are using a triangular grid pattern, i.e., robots certainly go through the vertices of a triangular grid during the search procedure.  ...  The results demonstrate the merits of our proposed solution. A further study on formation building with obstacle avoidance for a team of mobile robots is presented in this report.  ...  Distributed Triangular Grid-Based Search Algorithm To search an area by a team of mobile robots using the vertices of a grid as the exploring points, we need to locate the searching mobile robots on the  ... 
arXiv:1605.04368v1 fatcat:7awp2wfanvhr5p6ymw3rnbyscm

Time Optimal Gathering of Robots on an Infinite Triangular Grid with Limited Visibility [article]

Pritam Goswami, Avisek Sharma, Satakshi Ghosh, Buddhadeb Sau
2022 arXiv   pre-print
This work deals with the problem of gathering of n oblivious mobile entities, called robots, with limited visibility, at a point (not known beforehand) placed on an infinite triangular grid.  ...  We have also showed that the lower bound for time is Ω(n) epochs when n number of robots are gathering on an infinite triangular grid.  ...  Algorithm 1: 1-hop 1-axis gather (for a robot r) Data: Position of the robots on the adjacent grid points of r on triangular grid G.  ... 
arXiv:2204.14042v3 fatcat:2lbbaxrvwzasbh5xypbrwfcceq

Complete Coverage Navigation of Cleaning Robots Using Triangular-Cell-Based Map

J.S. Oh, Y.H. Choi, J.B. Park, Y.F. Zheng
2004 IEEE transactions on industrial electronics (1982. Print)  
Finally, we evaluate the performance of our proposed triangular cell map via the existing distancetransform-based path-planning method comparing it to that of the rectangular cell map.  ...  First, we discuss a triangular cell map representation which makes the cleaning robot navigate with a shorter path and increased flexibility than a rectangular cell map representation.  ...  His current research interests are in the design and synthesis of wavelet neural networks for tracking control of mobile robots.  ... 
doi:10.1109/tie.2004.825197 fatcat:rgrisyndo5bx5iyg27tdj3t5gm

Modular and reconfigurable mobile robotics

Paul Moubarak, Pinhas Ben-Tzvi
2012 Robotics and Autonomous Systems  
With increasing demand on reliable robotic platforms that can alleviate the burden of daily painstaking tasks, researchers have focused their effort towards developing robotic platforms that possess a  ...  This paper reviews the primary methods in the literature related to the fields of modular and reconfigurable mobile robotics.  ...  [33] . the mobility of a triangular formation was field-tested on snow, grass and debris as reported in [22] .  ... 
doi:10.1016/j.robot.2012.09.002 fatcat:vohwjoftv5d6djw56zjg4ylh6q

Adaptive Neuro-Fuzzy Technique for Autonomous Ground Vehicle Navigation

Auday Al-Mayyahi, William Wang, Phil Birch
2014 Robotics  
This article proposes an adaptive neuro-fuzzy inference system (ANFIS) for solving navigation problems of an autonomous ground vehicle (AGV).  ...  The system consists of four ANFIS controllers; two of which are used for regulating both the left and right angular velocities of the AGV in order to reach the target position; and other two ANFIS controllers  ...  starting and the target points in unknown environment based on the local planning method.  ... 
doi:10.3390/robotics3040349 fatcat:ljm3b7zfsrdmtibokogrghsvxa

Exploration of Finite 2D Square Grid by a Metamorphic Robotic System [article]

Keisuke Doi, Yukiko Yamauchi, Shuji Kijima, Masafumi Yamashita
2019 arXiv   pre-print
We consider exploration of finite 2D square grid by a metamorphic robotic system consisting of anonymous oblivious modules.  ...  We consider the effect of global compass on the minimum number of modules necessary to explore a finite 2D square grid.  ...  Introduction Distributed systems consisting of mobile computing entities, called robots, agents, particles have gathered much attention in these twenty years as computational models for mobile networks  ... 
arXiv:1808.00214v2 fatcat:c22yxb7lsjcp7i6rtn6vtazdi4

Time-Optimal Gathering under Limited Visibility with One-Axis Agreement

Pavan Poudel, Gokarna Sharma
2021 Information  
We study the fundamental problem of gathering N autonomous robots on a plane, which requires all robots to meet at a single point (or to position within a small area) that is not known beforehand.  ...  We consider the distributed setting of N autonomous mobile robots that operate in Look-Compute-Move (LCM) cycles following the well-celebrated classic oblivious robots model.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/info12110448 fatcat:asemxsjksvh6tibzqzlyjp6ylu

Planning and control of UGV formations in a dynamic environment: A practical framework with experiments

Yongxing Hao, Sunil K. Agrawal
2005 Robotics and Autonomous Systems  
This framework allows online planning of the formation paths using a Dijkstra's search algorithm based on the current sensor data.  ...  Based on a feasible path for a virtual leader of the group, the trajectory planner satisfies the kinematic constraints of the individual vehicles while accounting for intervehicle collision and path constraints  ...  Next, a robot is set out as a scout to autonomously create the initial map of the environment.  ... 
doi:10.1016/j.robot.2005.01.001 fatcat:xpnlwfaokzfjlcky5yab6gfx4q

A Hierarchical Fuzzy Control Design for Indoor Mobile Robot

Foudil Abdessemed, Mohammed Faisal, Muhammed Emmadeddine, Ramdane Hedjar, Khalid Al-Mutib, Mansour Alsulaiman, Hassan Mathkour
2014 International Journal of Advanced Robotic Systems  
This paper presents a motion control for an autonomous robot navigation using fuzzy logic motion control and stereo vision based path-planning module.  ...  The robot's mission depends on the choice of the task. In this paper, behavioral-based control architecture is adopted, and each local navigational task is analyzed in terms of primitive behaviors.  ...  Conclusion In this paper, we have described the motion control for autonomous robot navigation, focusing on its kinematics characteristics and on its behavioral based fuzzy control architecture.  ... 
doi:10.5772/57434 fatcat:mdzwrxi7lzgi3fmloz3jcygghe

Self-Organizing Mapping of Robotic Environments Based on Neural Networks

Monica Figueiredo, Silvia Botelho, Paulo Drews, Celina Haffele
2012 2012 Brazilian Symposium on Neural Networks  
An important aspect in robotics is mapping environments, it means know free space configuration of the robot and establish landmarks.  ...  It enables the robot to calculate its position in the environment.  ...  Two-dimensional grids (n = 2) topologically gather perceptions acquired by the robot, providing representative maps of the navigable environment.  ... 
doi:10.1109/sbrn.2012.17 dblp:conf/sbrn/FigueiredoBDR12 fatcat:7ukf6yt4ibfatkja7z76fyoxvq

Visual Navigation for Mobile Robots: A Survey

Francisco Bonin-Font, Alberto Ortiz, Gabriel Oliver
2008 Journal of Intelligent and Robotic Systems  
Mobile robot vision-based navigation has been the source of countless research contributions, from the domains of both vision and control.  ...  This survey presents those pieces of work, from the nineties until nowadays, which constitute a wide progress in visual navigation techniques for land, aerial and autonomous underwater vehicles.  ...  of application of autonomous mobile vehicles.  ... 
doi:10.1007/s10846-008-9235-4 fatcat:rkw4hdawznakjgccx32qt2etku

Model based Kalman Filter Mobile Robot Self-Localization [chapter]

Edouard Ivanjko, Andreja Kitanov, Ivan Petrovic
2010 Robot Localization and Map Building  
On-board part of application gathers needed drive wheel speeds measurements, sampling time values, and control of the mobile robot experiment trajectories.  ...  Occupancy grid world model In mobile robotics, an occupancy grid is a two dimensional tessellation of the environment map into a grid of equal or unequal cells.  ...  This book describes comprehensive introduction, theories and applications related to localization, positioning and map building in mobile robot and autonomous vehicle platforms.  ... 
doi:10.5772/9256 fatcat:dlt7gbwtyfcwdkxuztgsrrar74

Humanoid robot path planning with fuzzy Markov decision processes

Mahdi Fakoor, Amirreza Kosari, Mohsen Jafarzadeh
2016 Journal of Applied Research and Technology  
In contrast to the case of known environments, path planning in unknown environments, mostly for humanoid robots, is yet to be opened for further development.  ...  The experimental results show the efficiency of the proposed method.  ...  This mobile robot is equipped with a sensorial system.  ... 
doi:10.1016/j.jart.2016.06.006 fatcat:ubocdfzgkrbp7pp2p6onoroliy

Survey on Decentralized Modular Robots and Control Platforms [chapter]

Tamer AbuKhalil, Tarek Sobh, Madhav Patil
2014 Lecture Notes in Electrical Engineering  
This paper presents the results of a comprehensive investigation of the current state of swarm robotics research, organizing and classifying that research into a preliminary taxonomy.  ...  In other words, we provide a detailed summary of systems that have been classified under four main categories of the general multi-robot system platforms, namely: selfreconfigurable, modular, self-replicating  ...  S- Bots are fully autonomous mobile robots capable of self- navigation, perception of the environment and object.  ... 
doi:10.1007/978-3-319-06773-5_23 fatcat:66yjyqlwn5cdjn7yfrm7sx2pia
« Previous Showing results 1 — 15 out of 349 results