Results 81 to 90 of about 17,507 (244)

Multiagent control of self-reconfigurable robots

Artificial Intelligence, 2002
15 pages, 10 color figures, including low-resolution photos of prototype ...
Hristo Bojinov, Arancha Casal, Tad Hogg
openaire   +2 more sources

Metamaterial Antennas Enhance MRI of the Eye and Occipital Brain

Advanced Materials, EarlyView.
A radiofrequency antenna platform comprising planar and bend configurations is developed, incorporating structurally integrated epsilon‐negative metamaterial unit cells to enhance MRI. These antennas enable high‐resolution in vivo human MRI of the eye, orbit, and occipital brain. Comprehensive validation, including simulations, phantom experiments, SAR,
Nandita Saha, Bilguun Nurzed, Mostafa Berangi, Andre Kuehne, Helmar Waiczies, Igor Fabian Tellez Ceja, Xiang Hu, Thomas Gladytz, Lisa Krenz, Dave Huebler, Beate Endemann, Claudia Brockmann, Ebba Beller, Oliver Stachs, Thoralf Niendorf   +14 more
wiley   +1 more source

Automated Reconfiguration of Modular Robots Using Robot Manipulators [PDF]

, 2018
Self-reconfigurability in modular robots is a challenging task that usually requires complex module designs and algorithms. To make the reconfigurability easier, unpowered permanent magnet-based modules can be reconfigured by anexternal robotic ...
Cordoba, Ernesto, Faina, Andres, Franco, Julian, Gomez, Jonatan, Gracia, Oscar, Moreno, Rodrigo, Silvera, David, Veenstra, Frank   +7 more
core   +1 more source

Freeform Manufacturing of Plant‐Based Structural Colors for Scalable Photonic and Mechanochromic Devices

Advanced Materials, EarlyView.
A green, freeform manufacturing approach that utilizes robust aqueous two‐phase systems to create intricate and scalable photonic structures and non‐planar mechanochromic hydrogel actuators from plant‐based hydroxypropyl cellulose. This approach broadens the structural possibilities of sustainable photonic devices and mechanochromic systems, offering ...
Xiao Song, Peiqi Niu, Wenxi Gu, Chun Lam Clement Chan, Jiuhong Yi, Xu Liu, Peng Tan, Chon In Haydn Cheong, Qingwen Guan, Dan Fang, Bingpu Zhou, Zi Liang Wu, Ji Liu, Yan Yan Shery Huang, Iek Man Lei   +14 more
wiley   +1 more source

Optimization, Controller and Observer Design of a Reconfigurable Mobile Robot Using Genetic Algorithm and Neural Network [PDF]

International Journal of Advanced Design and Manufacturing Technology, 2010
In this research optimal reconfiguration strategy of the improved SRR reconfigurable mobile robot based on Force-Angle stability measure has been designed using Genetic algorithm.
Davoud Naderi, Soheil Ganjefar, Mohamad Mosadeghzad   +2 more
doaj  

Reconfigurable Controller Design in Descriptor Systems Obtained from Second Order Dynamic Systems via State Feedback Eigenstructure Assignment

International Journal of Advanced Robotic Systems, 2012
this paper proposes a new method for designing a reconfigurable controller for descriptor systems which is obtained from the second order dynamics of a robot control situation.
Amir Parviz Valadbeygi, Vahid Pourgharibshahi   +1 more
doaj   +1 more source

Kinematically Redundant Octahedral Motion Platform for Virtual Reality Simulations

, 2017
We propose a novel design of a parallel manipulator of Stewart Gough type for virtual reality application of single individuals; i.e. an omni-directional treadmill is mounted on the motion platform in order to improve VR immersion by giving feedback to ...
B Dasgupta, DM Downing, FM Hamdoon, J Kotlarski, J Lee, J Wang, J-P Merlet, J-P Merlet, KH Hunt, LT Schreiber, P Bande, Y Cao   +11 more
core   +1 more source

Large‐Area 2D Metasurface‐Based Triboelectric E‐Skin Arrays: Contact & Proximity Tactile Mapping with Broadband Acoustic Readouts

Advanced Materials, EarlyView.
Metasurface‐engineered NC‐TENG arrays integrate tactile pressure mapping, non‐contact gesture sensing, and acoustic signal readouts in one ultrathin module, and outperforms pristine PDMS in terms of electrical output and real‐time spatial mapping for next‐gen wearables.
Injamamul Arief, Swagato Sarkar, Anik Kumar Ghosh, Osvalds Verners, Kamal Kumar Meena, Su‐Hyeong Lee, Soosang Chae, Tobias A. F. König, Beate Krause, Andreas Fery, Mehmet Sait Özer, Anindya Nag, Amit Das   +12 more
wiley   +1 more source

4D‐Printed Spin Crossover Metamaterials with Giant Programmable Positive or Negative Thermal Expansion

Advanced Materials, EarlyView.
Spin crossover composite filaments are implemented for the rational design of 4D‐printed mechanical metamaterials. The obtained bi‐material structures guided by a theoretical analysis based on analytical calculations and Finite Element Analysis simulations exhibit giant programmable positive or negative deformation with coefficients of thermal ...
Adelais Trapali, Yuteng Zhang, Seyed Ehsan Alavi, Nagham Mawassy, Raja Zulkarnain, Gábor Molnár, Lionel Salmon, Azzedine Bousseksou   +7 more
wiley   +1 more source

Multimode Design and Analysis of an Integrated Leg-Arm Quadruped Robot with Deployable Characteristics

Chinese Journal of Mechanical Engineering
To improve locomotion and operation integration, this paper presents an integrated leg-arm quadruped robot (ILQR) that has a reconfigurable joint. First, the reconfigurable joint is designed and assembled at the end of the leg-arm chain.
Fuqun Zhao, Yifan Wu, Xinhua Yang, Xilun Ding, Kun Xu, Sheng Guo, Xiaodong Jin   +6 more
doaj   +1 more source