Results 51 to 60 of about 283 (166)

Gear Pump Versus Variable Axial Piston Pump in Electro-Hydrostatic Servoactuators

Actuators
This paper presents a comparison of some different configurations of electro-hydrostatic actuators (EHA). The gear pump EHA has a simpler mechanical configuration, but the electronic power command circuits and the electric motor are in high demand due to
Alexandru Dumitrache, Liviu Dinca, Jenica-Ileana Corcau, Adriana Ionescu, Mihai Negru   +4 more
doaj   +1 more source

NONLINEAR MODELING AND CONTROL DESIGN OF ELECTRO-HYDROSTATIC ACTUATOR

Proceedings of the JFPS International Symposium on Fluid Power, 2008
In this paper, a typical architecture of Electro-Hydrostatic Actuator (EHA) is described and modeled by the block diagram based on mathematic equations, which is a nonlinear accuracy model. The single PID, cascade PID and state feedback controllers are respectively designed and applied to this model for comparison analysis that focused on system ...
Rongjie KANG, Jean Charles MARE, Zongxia JIAO   +2 more
openaire   +2 more sources

Complex Oxide‐metal Hybrid Metamaterials with Integrated Magnetic and Plasmonic Non‐noble Metal Nanostructures

Advanced Functional Materials, Volume 35, Issue 30, July 24, 2025.
A new alloy‐oxide vertically aligned nanocomposite (VAN) thin film with two immiscible non‐noble metal elements of Co and Cu embedded in BaTiO3 (BTO) matrix is designed and fabricated, which presents interesting magnetic, ferroelectric, and optical properties.
Jijie Huang, Bin Zhang, Danny Hermawan, Alfredo Sanjuan, Benson Kunhung Tsai, Jialong Huang, R. Edwin Garcı́a, Haiyan Wang   +7 more
wiley   +1 more source

Advances in Electrical Materials for Bone and Cartilage Regeneration: Developments, Challenges, and Perspectives

Advanced Science, Volume 12, Issue 24, June 26, 2025.
This review explores the challenges of treating bone and cartilage defects, emphasizing the role of endogenous electric fields in bone and cartilage regeneration. It highlights recent advancements in electroactive biomaterials, including nanogenerators, piezoelectric materials, triboelectric scaffold, and zwitterionic hydrogels.
Yubin Yao, Xi Cui, Shenglong Ding, Ketao Wang, Mingzhu Zhang   +4 more
wiley   +1 more source

Adaptive Dead Zone Compensation Control Method for Electro-Hydrostatic Actuators Under Low-Speed Conditions

Chinese Journal of Mechanical Engineering
This study proposes an accurate dead zone compensation control method for electro-hydrostatic actuators (EHAs) under low-speed conditions. Specifically, the nonlinear dead zone characteristics under low-speed conditions are summarized based on numerous ...
Haoyi Jiang, Zhenfei Ling, Fengqi Zhou, Maowen Sun, Hao Liu, Lilin Xu, Yeming Yao, Xiaoping Ouyang, Huayong Yang   +8 more
doaj   +1 more source

H∞ Control for a Secondary Regulation Electro‐Hydraulic Drive System of Robot Mobile Platform

International Journal of Intelligent Systems, Volume 2025, Issue 1, 2025.
The secondary regulation hydrostatic transmission technology and H∞ control are applied to the mobile platform of the robot in this paper. The H∞ control system and the secondary regulation electro‐hydraulic drive system of the mobile platform are designed.
Faye Zang, Xiujie Yin, Richard Murray
wiley   +1 more source

Enhanced Operation Mode Design and Motion Control of a Dual-Redundancy Electro-Hydrostatic Actuator

Actuators
In dual-redundancy electro-hydrostatic actuators (EHAs), the dual pumps are mainly designed for safety, where the cylinder is controlled mainly by one pump while the other one is standby for redundancy. However, such a strategy is basically like a single-
Huatao Jin, Shuanglu Li, Yaobao Yin, Rui Guo, Cheng Fang, Jiangkun Zou   +5 more
doaj   +1 more source

3D printing of ceramics: Advantages, challenges, applications, and perspectives

Journal of the American Ceramic Society, Volume 107, Issue 12, Page 7879-7920, December 2024.
Abstract 3D printing (3DP) technologies have transformed the processing of advanced ceramics for small‐scale and custom designs during the past three decades. Simple and complex parts are designed and manufactured using 3DP technologies for structural, piezoelectric, and biomedical applications.
Susmita Bose, Enver Koray Akdogan, Vamsi K. Balla, Sushant Ciliveri, Paolo Colombo, Giorgia Franchin, Nicholas Ku, Priya Kushram, Fangyong Niu, Joshua Pelz, Andrew Rosenberger, Ahmad Safari, Zachary Seeley, Rodney W. Trice, Lionel Vargas‐Gonzalez, Jeffrey P. Youngblood, Amit Bandyopadhyay   +16 more
wiley   +1 more source

Triggerable Patches for Medical Applications

Advanced Materials, Volume 36, Issue 35, August 28, 2024.
Externally triggerable patches are attractive and versatile tools enabling several medical applications. In this review, their main working mechanisms are discussed, highlighting the role of the triggering stimuli in the control of therapeutic action. The broad potential of these devices is explored, while also reviewing the current open challenges in ...
Sofia Sirolli, Daniele Guarnera, Leonardo Ricotti, Andrea Cafarelli   +3 more
wiley   +1 more source

A Review of Somatic Design for Soft Robotic Grippers: From Parts Integration to Functional Synergy

Advanced Intelligent Systems, Volume 6, Issue 8, August 2024.
Somatic design is crucial for soft grippers to emulate the embodied intelligence of their biological counterparts, due to the blurry boundaries among material, structure and function. There are five critical parts in somatic design, including morphology, material, fabrication, actuation, and variable stiffness. The strong nonlinear coupling among these
Zhidong Xu, Peipei Shi, Jihong Yan, Jie Zhao   +3 more
wiley   +1 more source