Results 51 to 60 of about 845 (196)

Performance Analysis of an Electro-Hydrostatic Actuator

Journal of the Korean Society for Aeronautical & Space Sciences, 2007
The EHA(Electro-hydrostatic Actuator) reveals completely different characteristics from the conventional valve-controlled Electro-hydraulic actuators. In this paper, its mathematical model including nonlinear elements was derived to be verified by experiments.
openaire   +2 more sources

Bubbles Acting as Micro End‐Effectors for Dexterous Manipulation and Sensing in Aqueous Environment

Advanced Intelligent Systems, Volume 7, Issue 3, March 2025.
Inspired by bubbles, this article proposes a low‐cost method for multifunctional manipulation and sensing using microbubbles in aqueous environments. Bubbles are easily generated in situ, enabling the safe and adaptive handling of microobjects and sensing of microforces and surface textures.
Zichen Xu, Qingsong Xu
wiley   +1 more source

A Bioinspired Shape Memory Alloy Based Soft Robotic System for Deep‐Sea Exploration

Advanced Intelligent Systems
Developing robots integrating sensors, actuators, and computational capabilities for deep‐sea exploration is challenging. Nature often offers innovative solutions to complex problems, and in this context, inspiration is drawn from the remarkable ...
Yi Xu, Jiangshan Zhuo, Mingyu Fan, Xinge Li, Xunuo Cao, Dongrui Ruan, Hejinsheng Cao, Fanghao Zhou, Tuck‐Whye Wong, Tiefeng Li   +9 more
doaj   +1 more source

Modeling and Characterization of a Self‐Sensing Soft Hydraulic Muscle

Advanced Intelligent Systems, EarlyView.
This article presents the self‐sensing soft hydraulic muscle (SSHM), a novel soft actuator capable of simultaneously sensing force and length without external sensors. A comprehensive model accurately predicts SSHM behavior, validated experimentally with minimal errors. Using propylene glycol enhances durability and reduces hysteresis.
Nhu An Phan, Phuong Linh Dao, Duc Tu Vu, The Doan Le, Sy Trung Ngo, Minh Tri Phan, T. Thang Vo‐Doan, Ke Wu, Mai Thanh Thai   +8 more
wiley   +1 more source

Analytical characterization of biaxial stress effect on electromechanical and hysteresis properties of uniaxial ferroelectrics

Journal of Advanced Dielectrics
The increasing application of ferroelectrics in technological applications such as renewables, energy management and microelectromechanical (MEM) devices has stimulated research to gain a detailed understanding of hysteresis phenomena and strain behavior
Kok-Khuan Loh
doaj   +1 more source

Manipulating Ferroelectricity Without Electrical Bias: A Perspective

Advanced Physics Research, EarlyView.
Alternatives to electrical bias to control ferroelectric polarization are highly desired for the development of ferroelectric‐based applications. The polarizing role of chemically engineered surfaces, the impact of chemical substitution and mechanical pressure, and light‐induced effects on the final polarization state are highlighted in this short ...
Bixin Yan, Valentine Gillioz, Ipek Efe, Morgan Trassin   +3 more
wiley   +1 more source

Recent advances in boosting interfacial bubble dynamics with external fields

Droplet, EarlyView.
External physical fields, including acoustic, magnetic, thermal, mechanical, and optical stimuli, accelerate the entire bubble‐dynamics sequence of nucleation, growth, and detachment. Abstract The efficiency of industrial electrocatalytic reactions depends not only on generating gaseous products but also on their detachment from the catalyst surface ...
Wenlu Xie, Yanwei Zhang, Yi Liu, Yiming Wei, Jing‐Li Luo, Chenyu Xu   +5 more
wiley   +1 more source

Experimental Factors and Techniques for Pool Boiling Heat Transfer Enhancement: A Critical Review

Heat Transfer, EarlyView.
ABSTRACT This review presents a comprehensive assessment of active strategies for enhancing pool boiling heat transfer, with a focus on techniques that do not rely solely on the boiling surface modification. It examines a broad range of methodologies including fluid additives, external fields, mechanical interventions, and thermal‐geometric tuning that
José E. Pereira, R. R. Souza, A. S. Moita   +2 more
wiley   +1 more source

Modeling and Mode Switching Analysis of Electro‑hydrostatic Actuators for Primary Flight Control System

Transactions of Nanjing University of Aeronautics and Astronautics
With the advancement of more electric aircraft （MEA） technology， the application of electro-hydrostatic actuators （EHAs） in aircraft actuation systems has become increasingly prevalent.
GUO Tuanhui, FU Yongling, CHEN Juan
doaj   +1 more source

Comparative Energy Analysis of a Load Sensing System and a Zonal Hydraulics for a 9-Tonne Excavator

Actuators, 2020
With the rising demand for energy efficiency, displacement-controlled or so-called pump-controlled systems have become an attractive research topic for applications in construction machinery and other off-road vehicles.
Paolo Casoli, Fabio Scolari, Tatiana Minav, Massimo Rundo   +3 more
doaj   +1 more source