Results 21 to 30 of about 492,072 (243)

Optimal Design of Novel Electromagnetic-Ring Active Balancing Actuator with Radial Excitation

open access: yesChinese Journal of Mechanical Engineering, 2021
Imbalance vibration is a typical failure mode of rotational machines and has significant negative effects on the efficiency, accuracy, and service life of equipment.
Xin Pan   +5 more
doaj   +1 more source

The Research on the Motion State Monitoring of Electromagnetic Valve Train of Engine Based on Internet of Things

open access: yesIEEE Access, 2019
Aiming at real-time monitoring of valve motion online in a new engine valve train that replaces the traditional cam with a self-developed new electromagnetic linear actuator, this paper presents a system scheme for motion monitoring of the ...
Tongjun Guo, Siqin Chang
doaj   +1 more source

Development of a Novel Latching-Type Electromagnetic Actuator for Applications in Minimally Invasive Surgery

open access: yesActuators, 2020
Single-port laparoscopic surgery (SLS), which utilises one major incision, has become increasingly popular in the healthcare sector in recent years.
HaoChen Wang, Ali K. El Wahed
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

Delivery actuator for a transcervical sterilization device [PDF]

open access: yes, 2010
The use of delivery systems in the human body for positioning and deploying implants, such as closure devices, dilation balloons, stents, coils and sterilization devices, are gaining more importance to preclude surgical incisions and general anesthesia ...
Rehan, Muhammad   +5 more
core   +2 more sources

Genetic Algorithm-Based Design Optimization of Electromagnetic Valve Actuators in Combustion Engines

open access: yesEnergies, 2015
In this research, the design of a new electromagnetic engine valve in the limited space of combustion engine is optimized by multidisciplinary simulation using MATLAB and Maxwell. An electromagnetic engine valve actuator using a permanent magnet is a new
Seung Hwan Lee   +3 more
doaj   +1 more source

Thermal analysis of an electromagnetic linear actuator

open access: yesAdvances in Mechanical Engineering, 2017
This article presents a new electromagnetic linear actuator applied in the electromagnetic-driven valve train. To clarify the actuator’s temperature rise and heat distribution, a heat transfer model was established by analyzing the complex heat exchange ...
Jianguo Dai   +3 more
doaj   +1 more source

Experimental Study on the Active Control and Dynamic Characteristics of Electromagnetic Active–Passive Hybrid Vibration Isolation System

open access: yesApplied Sciences, 2023
Targeting the problems of conventional active–passive hybrid vibration isolation systems, such as low output force, poor bearing capacity, large power loss and inability to withstand strong impacts, this paper proposes an active–passive hybrid vibration ...
Qingwei Zhang   +6 more
doaj   +1 more source

Sensor-less parameter estimation of electromagnetic actuator for shunt damping

open access: yesNihon Kikai Gakkai ronbunshu, 2015
Electromagnetic shunt damping is a sensor-less passive damping technique using an electromagnetic actuator. The accurate values of the parameters of the system are essentially required for designing a controller in the damping technique.
Toru IKEGAME   +3 more
doaj   +1 more source

Research on the 2-degree-of-freedom electromagnetic actuator in space

open access: yesAdvances in Mechanical Engineering, 2018
To meet space science experiments in micro-gravity environment, micro-spacecraft vibration isolation technology was developed in recent years. A new kind of 2-degree-of-freedom electromagnetic actuator based on Lorentz principle was developed in this ...
Rongqiang Liu   +4 more
doaj   +1 more source

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