Results 141 to 150 of about 20,673,586 (324)

Bio‐Inspired Bidirectional Winding Origami With Programmable Modular Reconfigurability and Scalability

open access: yesAdvanced Science, EarlyView.
A bio‐inspired bidirectional‐winding origami platform enables scalable and programmable deployable structures. Double axial folding inspired by earwig hindwings and Flasher‐based hybridization create modular multilayer architectures with diverse attainable winding angles under fixed boundary conditions.
Wenyao Zhang   +5 more
wiley   +1 more source

Research on modeling and simulation of traction power supply system of guideway rubber-tires train

open access: yesInternational Journal of Electrical Power & Energy Systems
Guideway rubber-tires system, also known as Rapid rubber-tires trail (RRT), is a new type of urban rail transit. The train uses rubber tires as running wheels and uses guide rails to achieve steering.
Haida Xu   +3 more
doaj   +1 more source

From Displacement to Angle: Diamond‐Based 3D Rotation Sensing for High‐Precision Cellular Force Measurement

open access: yesAdvanced Science, EarlyView.
Cellular forces are traditionally inferred from displacement measurements, which lack rotational information and are constrained by linear model assumptions. This work replaces displacement with rotational angle for the fundamental mechanical readout.
Linjie Ma   +8 more
wiley   +1 more source

Traction System Development for Intercity EMUs

open access: yes机车电传动, 2015
Railway and traction system features of intercity EMUs were analyzed, and the ability requirement of the EMU waspointed out. Traction platform scheme of CRH6 series intercity EMUs was expounded in detail, and the simulation and test of system andparts ...
JIAO Jinghai   +4 more
doaj  

Traction performance and efficiency of cone friction CVT

open access: yesTheoretical and Applied Mechanics Letters
This study investigates the traction performance and efficiency of a conical friction continuously variable transmission. A new mathematical model was developed and validated through experimental measurements using a custom-built test rig to predict these parameters accurately.
Vít Řípa   +4 more
openaire   +2 more sources

Review of Gastrointestinal Capsule Robots: Materials, Actuation, Diagnostics, and Therapeutics

open access: yesAdvanced Science, EarlyView.
This review examines gastrointestinal capsule robots through a systems engineering lens, covering shell materials, actuation and localization strategies, diagnostic modalities, therapeutic interventions, and commercialization status. By mapping the complete technological chain from fabrication to clinical deployment, this work identifies critical gaps ...
Zengsheng Li   +8 more
wiley   +1 more source

Traction Drive Load Simulator

open access: yes
A stationary bench simulating the traction drive of electric transport vehicles in the traction and braking modes is employed in investigation of the drive operation with a hybrid energy storage system. The load simulator of the traction drive is made by
Zaļeskis, Genadijs   +3 more
core  

B Cells are Activated via a Nanoporous Interface that Stabilizes Microvilli and Engages Mechanosensitive Ion Channels

open access: yesAdvanced Science, EarlyView.
B cells can be activated independently of antigen recognition via mechanical stimulation through nanoporous substrates. Exposure to such substrates induced B cell microvilli extension into the pores, intracellular Ca2+ signaling, phosphorylation of signaling proteins, and CD69 expression.
Nozie D. Aghaizu   +4 more
wiley   +1 more source

Differential Tissue‐Coupled Powering for Battery‐Free Injectable Electroceuticals

open access: yesAdvanced Science, EarlyView.
A thread‐like injectable neural stimulator is powered through differential tissue‐coupled powering (DTCP), which harvests RF‐frequency tissue potentials with an elongated receiver while preserving a injectable cross‐section. The system integrates an ASIC, stimulation electrodes, and a portable transmitter, enabling wireless peripheral nerve stimulation,
Han Wu   +13 more
wiley   +1 more source

Research and Development of Energy-storage Light-railVehicle Electric Traction System

open access: yes机车电传动, 2013
Parameters and performance requirement of energy-storage electric traction light-rail vehicle were introduced. T/B characteristic of electric traction system, simulation and calculation of vehicle operation capability, main circuit, control system and ...
CHEN Xin-jian   +4 more
doaj  

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