Results 51 to 60 of about 15,034 (278)

Triboelectric Nanogenerators for Condition Monitoring of Machines, Infrastructure and Environment

open access: yesInterdisciplinary Materials, Volume 4, Issue 5, Page 645-685, September 2025.
This paper reviews cutting‐edge technologies in condition monitoring on the applications of machines, infrastructure and environment (MIE) based on TENGs, including mechanisms, applications and perspectives. The most popular and hot research trends are pointed out and the current challenges are also illustrated, thus giving hints for future research ...
Mang Gao   +6 more
wiley   +1 more source

In Vitro Comparison of Device‐Induced Hemolysis, Platelet Defects, and von Willebrand Factor Degradation Between the HeartMate 2 and HeartMate 3 Pumps

open access: yesArtificial Organs, Volume 49, Issue 9, Page 1380-1386, September 2025.
This in vitro comparative study demonstrated that the HeartMate 3 pump has a superior overall hemocompatibility profile to the HeartMate 2 pump, underscoring the advantages of the maglev centrifugal pump design compared to the axial pump design. ABSTRACT Background Left ventricular assist devices (LVADs) have been utilized to maintain the circulatory ...
John Vandenberge   +9 more
wiley   +1 more source

Influence of High-Speed Flow on Aerodynamic Lift of Pantograph at 400 km/h

open access: yesInfrastructures
This study examines pantograph aerodynamic lift at 400 km/h, and uncovers the dynamic behaviors and mechanisms that influence pantograph–catenary performance.
Zhao Xu   +3 more
doaj   +1 more source

The electromagnetic stability analysis of superconducting high-speed maglev system [PDF]

open access: yesAIP Advances
The electromagnetic stability analysis of electro-dynamic high-speed maglev systems is a key research topic. An electromagnetic stability analysis model of the high-speed superconducting maglev system is introduced. The model could be used to analyze the
Weilai Shang
doaj   +1 more source

The Impact of DNA as a Chemical Admixture for Cementitious Materials

open access: yesAdvanced Materials Technologies, Volume 10, Issue 15, August 7, 2025.
DNA molecules are added to cement pastes and their effects on rheology and hydration time are studied. DNA's chemical structure is composed of polysaccharide and phosphate groups, which are active functional groups in different commercial chemical admixtures: Viscosity modifiers and superplasticizers.
Alexander Mezhov   +4 more
wiley   +1 more source

Hybrid Filtering Method for Multisource Point Cloud Data of Maglev Tracks [PDF]

open access: yesJisuanji gongcheng
In the simulation data processing of maglev tracks, the filtering and extraction of maglev track point cloud data is an important link. Thus, practical applications should adopt an efficient filtering method according to the characteristics of the maglev
ZHANG Yuxin, ZHANG Lei, OU Dongxiu
doaj   +1 more source

Research on Integrated Intelligent Control and Energy Saving Technology of Electro‐Hydraulic Excavator

open access: yesEngineering Reports, Volume 7, Issue 7, July 2025.
The research proposes a variable‐speed fixed‐displacement pump control strategy combined with a fuzzy PID algorithm. A co‐simulation model is developed, key parameters are set, and comparative energy consumption analyses are conducted between the variable‐speed fixed‐displacement pump and the fixed‐speed variable‐displacement pump through simulation ...
Qiaohong Ming, Yangyang Wang
wiley   +1 more source

Maglev train levitation control via tracking differentiator with small phase lag

open access: yesIET Control Theory &Applications, Volume 19, Issue 1, January/December 2025.
This work proposes an enhanced tracking differentiator to ensure a small phase lag in both filtering and differential signals, The favourable characteristic is obtained by including the system damping and the amplitude factor into the control algorithm that is applied to construct the differentiator. Abstract The levitation control system is a critical
Louyue Zhang   +3 more
wiley   +1 more source

Research Status and Development of High-speed Maglev Wireless Communication Technology

open access: yes机车电传动, 2020
The research status of maglev wireless communication technology at home and abroad was introduced, focusing on the communication technology solutions of Shanghai maglev special line, Japan Yamanashi test line and US super high-speed railway competition ...
Kai TIAN, Rui YAN, Peng WAN
doaj  

A SELF-CONTROLLED MAGLEV SYSTEM [PDF]

open access: yesProgress In Electromagnetics Research M, 2012
This paper presents a MAGLEV system in which the magnetic suspension is assured by the repulsion of permanent magnets both on the guideway and on the vehicle. Due to the induced currents on a aluminum sheath surrounding the magnets on the guideway, the system intrinsic instability is overcome.
DI PUCCIO, FRANCESCA   +3 more
openaire   +1 more source

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