Results 41 to 50 of about 75,725 (379)

Design of the Crawler Units: Toward the Development of a Novel Hybrid Platform for Infrastructure Inspection

open access: yesApplied Sciences, 2022
Inspections of industrial and civil infrastructures are necessary to prevent damages and loss of human life. Although robotic inspection is gaining momentum, most of the operations are still performed by human workers.
Sergio Leggieri   +2 more
doaj   +1 more source

An Enhanced Semantic Focused Web Crawler Based on Hybrid String Matching Algorithm

open access: yesCybernetics and Information Technologies, 2021
Topic precise crawler is a special purpose web crawler, which downloads appropriate web pages analogous to a particular topic by measuring cosine similarity or semantic similarity score.
K. S. Sakunthala Prabha   +2 more
semanticscholar   +1 more source

Multi-legged adaptable crawler capable of maintaining a constant pose locomotion over rugged terrain

open access: yesNihon Kikai Gakkai ronbunshu, 2018
In this paper, we introduce practical design and hardware implementation issues of an adaptable crawler mechanism for a mobile robot, enabling it to maintaining its constant desired pose when moving.
Shu TAKAIRA   +2 more
doaj   +1 more source

Simulation Research on the Grouser Effect of a Reconfigurable Wheel-Crawler Integrated Walking Mechanism Based on the Surface Response Method

open access: yesApplied Sciences, 2023
To improve the unstructured terrain traversing performance of the scientific research robot of the Qinghai–Tibet Plateau station, the parameters of the track shoe of the reconfigurable wheel-crawler walking mechanism were studied.
Pengfei Zhou, Shufeng Tang, Zaiyong Sun
doaj   +1 more source

A Novel Hydraulic Interconnection Design and Sliding Mode Synchronization Control of Leveling System for Crawler Work Machine

open access: yesAgriculture
To address the issues of easy overturning and poor safety of crawler work machines operating on steep slopes in hilly and mountainous areas, this study develops a structural design scheme based on a “three-layer frame” structure.
Ruochen Wang   +4 more
semanticscholar   +1 more source

VIRTUAL ROBOT LOCOMOTION ON VARIABLE TERRAIN WITH ADVERSARIAL REINFORCEMENT LEARNING [PDF]

open access: yes, 2020
Reinforcement Learning (RL) is a machine learning technique where an agent learns to perform a complex action by going through a repeated process of trial and error to maximize a well-defined reward function.
Nguyen, Phong
core   +1 more source

Design for Copying Grouser and Bionic Convex Hull Patterns on Track Surfaces of Crawler Combine Harvesters

open access: yesAgriculture
In the rainy season, which often has uncertain rainfall, crawler combine harvesters have difficulty traversing wet and soft rice fields. A large amount of clay is often accumulated on the track surfaces, resulting in frequent slipping and sinking, which ...
Lulu Yuan   +4 more
semanticscholar   +1 more source

Design of a new type of crawler travelling mechanism of coal mine rescue robot

open access: yesGong-kuang zidonghua, 2015
The advantages and disadvantages of existing crawler travelling mechanisms of coal mine rescue robot were analyzed from structure complexity, obstacle surmounting performance, operability and ground bearing distribution.
SUN Guodong, LI Yutan, ZHU Hua
doaj   +1 more source

A Critique Empirical Evaluation of Relevance Computation for Focused Web Crawlers

open access: yesBrazilian Archives of Biology and Technology, 2022
Analogous to the spectacular growth of information-superhighway, The Internet, demands for coherent and economical crawling methods are translucent to shoot up. Consequently, many innovative techniques have been put forth for efficient crawling.
Joe Dhanith Pal Nesamony Rose Mary   +2 more
doaj   +1 more source

iCrawl: Improving the Freshness of Web Collections by Integrating Social Web and Focused Web Crawling

open access: yes, 2016
Researchers in the Digital Humanities and journalists need to monitor, collect and analyze fresh online content regarding current events such as the Ebola outbreak or the Ukraine crisis on demand.
Diligenti M.   +4 more
core   +1 more source

Home - About - Disclaimer - Privacy