Results 51 to 60 of about 148,802 (212)
Visual teach‐and‐repeat (VTR) navigation allows robots to learn and follow routes without building a full metric map. We show that navigation accuracy for VTR can be improved by integrating a topological map with error‐drift correction based on stereo vision.
Fuhai Ling, Ze Huang, Tony J. Prescott
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The aim of this study is to solve the problems of the complicated pretreatment and high analytical cost in the detection technology of trace drugs and their metabolites in municipal wastewater. A high-performance magnetic sorbent was fsynthesized for the
Feiyu Yang +3 more
doaj +1 more source
Author’s note: This research was supported in part by a grant from the Ministry of Research, Innovation and Digitization, CNCS-UEFISCDI, Project No. PN-III-P11.1-BSO in 2016-003, PNCDI awarded to the author by the New Europe College, Bucharest within the “Stefan Odobleja” Fellowships 2021–2022. All the names in this story are pseudonyms.
openaire +2 more sources
Multidirectional Motion Strategy of Miniature Water Surface Robot Actuated by Single Exciter
A novel multidirectional motion strategy on the water surface based on a single exciter is proposed, and a single‐exciter single‐plate module is developed for actuation. The driving forces generation mechanism of the module is revealed from the perspective of the asymmetric surface wave field.
Haoxuan He +4 more
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The spatial aspects of rap music have given birth to a whole body of literature in social sciences. However, a lot of studies approached this music through the songs, considering that they were “naturally” reflecting local ways of life and identities ...
Séverin Guillard
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Permanent magnet putty (PMP) integrates high‐coercivity NdFeB particles with a dynamic polyborosiloxane–Ecoflex matrix, achieving rapid self‐healing (90% mechanical recovery in 10 s) and magnetic recovery within 20 min. With twice the sensitivity of commercial putties, PMP enables precise 5–30 N force detection and discrimination between pressing and ...
Ruotong Zhao +5 more
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A flexible, skin‐integrated electromagnetic actuator is developed for wearable virtual/augmented reality (VR/AR) haptic systems. A tunable design model enables control over displacement and resonance frequency. The system is validated through a custom VR application with a 6 × 4 actuator array, demonstrating real‐time, spatially targeted tactile ...
Naji Tarabay +9 more
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Redefining the subcultural: the sub and the cultural
Arguing against the previous research’s presumption that the subcultural constitutes a single set of meaning, this article addresses the simple question of what constitutes the subcultural? What does it mean when we address an object, practice, identity,
Erik Hannerz
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Sleep Alters the Velocity of Physiological Brain Pulsations in Humans
Sleep alters I/CSF oscillatory flow, driven by increased respiratory (29%) and vasomotor pulsation (21%) velocities, while cardiovascular pulsations decreased by (22%). Velocity is quantified using optical flow analysis of MREG data. Spectral power increases alongside these pulsations (spatial correlation, r = 0.35 and r = 0.39, respectively ...
Ahmed Elabasy +13 more
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The rhetoric of organizational stability and creativity: an analysis of the term ‘platform’
This article analyses the term platform as it surfaced in interview data from Norway and the United States that was collected in a field research project on organizational technology use. Through an inductive analysis of the term’s use in six interviews,
Larry D. Browning +3 more
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