Results 41 to 50 of about 7,480 (290)

Controlador em cascata com adaptação de parâmetros para robôs hidráulicos [PDF]

open access: yes, 2012
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Mecânica, Florianópolis, 2010Este trabalho trata do problema de controle de robôs hidráulicos que utilizam válvulas proporcionais ...
Machado, Cláudio Luís D'Elia
core  

Transfer Printing and Reconfiguration of Soft Electronics Using Digital Microfluidics and Laser Machining

open access: yesAdvanced Functional Materials, EarlyView.
This paper presents a digital microfluidics‐based technique for transferring and reconfiguring soft nanomembranes. Laser‐machined nanothin membranes are picked up, transported, and aligned via tailored surface tension and the actuation of water droplets, enabling the development of flexible electronics, the integration of functional materials on 3D ...
Quang Anh Nguyen   +15 more
wiley   +1 more source

3D Printing Innovations in Polymeric Porous and Patterned Architecture

open access: yesAdvanced Functional Materials, EarlyView.
Polymeric foams occupy a unique structural space between dense solids and open networks, where engineered void fraction governs mechanical compliance, thermal resistance, and mass transport. Additive manufacturing now enables precise spatial control over cellular architecture, unlocking designer foam structures across applications spanning crash ...
Dhanush Patil   +13 more
wiley   +1 more source

Rapid Fabrication of Self‐Propelled and Steerable Magnetic Microcatheters for Precision Medicine

open access: yesAdvanced Materials, EarlyView.
A rapid Joule heating fabrication method for the production of self‐propelling, adaptive microcatheters, with tunable stiffness and integrated microfluidic channels is presented. Demonstrated through three microrobotic designs, including a steerable guiding catheter, an untethered wave‐crawling TubeBot, and a distal‐end propelled microcatheter, it was ...
Zhi Chen   +5 more
wiley   +1 more source

Projection of the hydraulic pressure drive with application of partial synthesis

open access: yesMATEC Web of Conferences, 2018
In this article “Projection of a Hydraulic Pressure Drive with Application of Partial Synthesis” for the best comprehension and also receiving more complete picture, definitions of the term projection are considered, some fields of activity in which it ...
Rybak Alexander T.   +3 more
doaj   +1 more source

Dual adaptive robust control for uncertain nonlinear active suspension systems actuated by asymmetric electrohydraulic actuators

open access: yesJournal of Low Frequency Noise, Vibration and Active Control, 2021
This study investigates the vibration control issue of active suspension systems. Unlike previous results that neglect the actuator dynamics or consider the impractical symmetrical hydraulic cylinder model, this paper incorporates more reasonable ...
Dingxuan Zhao   +4 more
doaj   +1 more source

Refined Modeling Method and Analysis of an Electromagnetic Direct-Drive Hydrostatic Actuation System

open access: yesActuators, 2022
The hydrostatic actuation system based on linear actuators improves the complex piston force and long transmission path of the traditional electro-hydrostatic actuator (EHA).
Jiayu Lu   +5 more
doaj   +1 more source

Engineering Strain‐Stiffening Granular Hydrogels for 3D‐Printed Tissue‐Mimicry

open access: yesAdvanced Materials, EarlyView.
A 3D‐printable strain‐stiffening double‐network granular hydrogel (SDGH) enables independent, region‐specific tuning of toe (EToe) and heel (EHeel) moduli through control of microgel packing and network composition. This platform replicates tissue‐like nonlinear mechanics and allows fabrication of high‐fidelity, multilayered aortic valves with ...
Hyeokju Chae   +9 more
wiley   +1 more source

Development of Proportional Pressure Control Valve for Hydraulic Braking Actuator of Automobile ABS

open access: yesApplied Sciences, 2018
This research developed a novel proportional pressure control valve for an automobile hydraulic braking actuator. It also analyzed and simulated solenoid force of the control valves, and the pressure relief capability test of electromagnetic thrust with ...
Che-Pin Chen, Mao-Hsiung Chiang
doaj   +1 more source

Programmable Etherified‐Starch Networks Enable Tunable Humidity‐Responsive Soft Actuators for Smart Textiles

open access: yesAdvanced Materials Interfaces, EarlyView.
Programmable etherified‐starch networks enable humidity‐responsive soft actuators with tunable and reversible deformation. By tailoring crosslinking density and structural design, rapid response, controllable actuation, and long‐term stability are achieved.
Dan Zhou   +13 more
wiley   +1 more source

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