Results 111 to 120 of about 550,818 (339)

Programmable Dimensional Lithography with Digital Micromirror Devices for Multifunctional Microarchitectures

open access: yesAdvanced Materials Technologies, EarlyView.
This review explores recent advances in digital micromirror device (DMD)‐based lithography, focusing on its programmable light modulation, multi‐material compatibility, and dimensional patterning strategies. It highlights innovations from optical system design to materials integration and multifunctional applications, positioning DMD lithography as a ...
Yubin Lee   +5 more
wiley   +1 more source

A Single Oscillator-Excited Piezoelectric Actuator with Internal Contact Teeth. [PDF]

open access: yesMicromachines (Basel), 2023
Fang D   +7 more
europepmc   +1 more source

Analysis for hysteresis of piezoelectric actuator based on microscopic mechanism

open access: yesIOP Conference Series: Materials Science and Engineering, 2018
The hysteresis widely existing in piezoelectric ceramic actuators seriously affects the positioning accuracy in practical applications. Based on the microscopic displacement mechanism of piezoelectric actuators, this paper studied the displacement ...
H. Li, Y. Xu, M. Shao, L. Guo, D. An
semanticscholar   +1 more source

Fabrication, Properties, and Applications of Scaffolds for Bone Tissue Regeneration

open access: yesAdvanced Materials Technologies, EarlyView.
This review explores cutting‐edge biomaterials and fabrication techniques for scaffolds in bone tissue regeneration. It conducts a critical comparison of various strategies, meticulously analyzes the key contradictions in the field, and outlines an integrated development path spanning from biomaterial selection to clinical application, while ...
Shangsi Chen, Min Wang
wiley   +1 more source

Bond Graph Modeling and Simulation of Hybrid Piezo-Flexural-Hydraulic Actuator

open access: yesEngineering Proceedings
In this study, a hybrid piezo-flexural-hydraulic actuator is modeled and simulated using bond graph methodology. The hybrid actuator comprises piezoelectric stack actuator, mechanical flexural amplifier, and hydraulic piston actuator.
Rudraksha Kelkar   +3 more
doaj   +1 more source

Wireless Power Transfer Modalities for Implantable Bioelectronics: Electromagnetic, Acoustic, and Magneto‐Dynamic Perspectives

open access: yesAdvanced Materials Technologies, EarlyView.
This review traces the evolution of wireless power transfer (WPT) for implantable medical devices, spanning electromagnetic, magnetoelectric, acoustic, and magneto‐dynamic systems. Quantitative comparisons of power, distance, and device scale highlight trade‐offs across modalities, while emerging hybrid mechanisms reveal strategies to overcome ...
Junyeop Kim, Yoonseok Park
wiley   +1 more source

Experimental Validation of Two Types of Force Actuators: A Performance Comparison

open access: yesSensors
This paper experimentally investigates the performance of piezoelectric force actuators. Using the same encapsulated piezoelectric stack, an inertial-type actuator and a frame-type actuator are constructed for performance comparison.
Xishan Jiang   +3 more
doaj   +1 more source

Highly efficient traction drive system with a normal force controller using a piezoelectric actuator

open access: yesAdvances in Mechanical Engineering, 2017
Traction drive is a useful power transmission method for reducing noise of high-rotational-speed motors of electric vehicles. To realize a highly efficient traction drive system, normal force between rollers must be optimized.
Rui Fukui   +3 more
doaj   +1 more source

Experiment and Modeling on Macro Fiber Composite Stress-Induced Actuation Function Degradation

open access: yesApplied Sciences, 2019
The effect of stress depolarization will cause actuation function degradation of a piezoelectric actuator, which can eventually trigger function failure of the piezoelectric smart structure system.
Wei Wang, Zikuo Zhang, Zhichun Yang
doaj   +1 more source

Piezoceramics-based Devices for Active Balancing of Flexible Shafts [PDF]

open access: yes, 2006
This paper focuses on vibration control of flexible shafts by means of rotorfixed piezoelectric materials. The target is to realize compact solutions for the suppression of problematic resonant vibration at so-called flexural critical speeds.
Boer, A. de, Sloetjes, P.J.
core   +1 more source

Home - About - Disclaimer - Privacy