Results 51 to 60 of about 4,032 (228)
EMUs Pantograph Aerodynamics Experimental Research in Dropping Status under Strong Wind Condition
机车电传动, 2016 When EMUs run at a high speed, the pantograph would be affected by airflow and blown up in dropping status, which would result in catenary short-circuit fault. In order to evaluate the pantograph aerodynamics characteristics in dropping status and ensure
JIAO Wengen
doaj
Optical Mandibular Movement Tracking Devices, Clinical Uses and Indications
Australian Dental Journal, Volume 70, Issue S1, Page S25-S34, December 2025.ABSTRACT Recent advancements in digital dentistry have facilitated the accurate recording of dynamic mandibular movements using optical tracking devices, thereby improving the clinical outcomes and the patient's ability to adapt to their oral rehabilitation.
Sandrine Couldwell +4 more
wiley +1 more source
International Journal of Robust and Nonlinear Control, Volume 35, Issue 13, Page 5685-5704, 10 September 2025.ABSTRACT This work addresses the problem of developing a nonfragile sliding mode observer for fractional‐order complex networked systems (FO‐CNS) under stochastic network attacks. The proposed approach employs a combination of event‐triggered techniques. First, a nonfragile fractional‐order state observer is developed, enabling the design of a suitable
Xin Meng +2 more
wiley +1 more source
On aerodynamic noises radiated by the pantograph system of high-speed trains
, 2013 Pantograph system of high-speed trains become significant source of aerodynamic noise when travelling speed exceeds 300 km/h. In this paper, a hybrid method of non-linear acoustic solver (NLAS) and Ffowcs Williams–Hawkings (FW–H) acoustic ...
Yu HH(喻华华) +3 more
core +1 more source
Applied Sciences, 2019 The high-speed-train pantograph is a complex structure that consists of different rod-shaped and rectangular surfaces. Flow phenomena around the pantograph are complicated and can cause a large proportion of aerodynamic noise, which is one of the main ...
Yongfang Yao +4 more
doaj +1 more source
Undervoltage compensation of pantograph catenary arc
AIP Advances, 2020 This paper describes the design of a new type of pantograph-catenary arc simulation test device and simulation of the arc generated by the pantograph during operation under laboratory conditions.
Dan Dan Zou +3 more
doaj +1 more source
Engineering Reports, Volume 7, Issue 8, August 2025.Railway electrification systems indeed have unique challenges due to variable power demand and dynamic train operations. Power quality (PQ) monitoring for high‐speed trains (HSTs) is essential to guarantee the effectual and unfailing operation of the ESs.
Pampa Sinha +6 more
wiley +1 more source
Advanced Materials Technologies, Volume 10, Issue 13, July 8, 2025.This study presents a braided fiber‐reinforced sleeve that amplifies strain in soft materials, enhancing their performance in stretchable devices like sensors and energy harvesters. By reinforcing and elongating encased materials, the sleeve increases the “effective” strain.
Emily Duan +4 more
wiley +1 more source
A Study on the Pantograph Slide Wear Model Based on Energy Dissipation
Applied SciencesDuring train operations, the contact surface between the pantograph slide and the catenary wire is subjected to mechanical friction and an electrical current, leading to an increase in the wear of the pantograph slide and a reduction in the service life ...
Yiming Dong +4 more
doaj +1 more source
Advanced Physics Research, Volume 4, Issue 6, June 2025.High‐throughput calculations unveil the stability, magnetic behavior, and transport properties of M2AX phases with magnetic A elements, predicting 139 metastable compounds. Highlights include high‐Curie‐temperature magnets, exceptional magneto‐crystalline anisotropy, and tunable anomalous Hall and Nernst conductivities, offering new insights and ...
Chen Shen +6 more
wiley +1 more source