Results 81 to 90 of about 17,188,629 (216)

Study on Current Collection Quality Characteristics and Parameter Optimization of Rigid Catenary-Pantograph Systems

Chengshi guidao jiaotong yanjiu
ObjectiveIn order to reduce abnormal wear and pantograph-catenary separation caused by excessive or insufficient contact pressure, it is necessary to study the influence of various pantograph-catenary parameters on current collection quality and propose ...
Zehua CHENG, Chang LIU, Jian ZHANG, Zhaofeng GONG, Ruikai NIU, Guangxiao WANG, Wenzheng LIU   +6 more
doaj   +1 more source

Pantograph–Catenary Interaction Prediction Model Based on SCSA-RBF Network

Applied Sciences
As a traditional numerical simulation method for pantograph–catenary interaction research, the pantograph–catenary finite element model cannot be applied to the real-time monitoring of pantograph–catenary contact force, and the computational cost ...
Mengzhen Wu, Xianghong Xu, Haochen Zhang, Rui Zhou, Jianshan Wang   +4 more
doaj   +1 more source

A Study on the Measuring System of Contact Force of Pantograph for the High-Speed Train

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2012
The overhead pantograph for the high speed train is a mechanical and electrical part mounted on the train roof to supply the train with electrical power from the catenary system.
Jin-Sung PAIK, Chan-Kyoung PARK, Yong-Guk KIM, Ki-Hwan KIM   +3 more
doaj   +1 more source

Possible speed increase on soft catenary system with help of auxiliary pantograph

, 2016
Stiffness variations and wave propagation in the catenary system cause high dynamic variations in the contact force between pantograph and catenary at high operating speeds.
Jönsson, Per-Anders,, Rønnquist, Anders,, Stichel, Sebastian,, Liu, Zhendong,   +3 more
core   +1 more source

ANCF Analysis of Multibody Pantograph/ Catenary Systems [PDF]

, 2016
The high speed trains today most commonly use pantograph-catenary systems for power delivery. The dynamics of the pantograph-catenary system plays a crucial role in the current collection quality and, therefore, thorough computational modeling is ...
Shubhankar S. Kulkarni (7987640)
core   +3 more sources

Active Control Method for Pantograph-Catenary System Based on Neural Network PID Under Crosswind Conditions

Machines
Crosswind is a critical environmental factor affecting the dynamic interaction between the pantograph and catenary in high-speed trains, which can severely compromise the operational stability of the system. To address this challenge, this study develops
Mengyao Wang, Yan Xu, Like Pan, William Zhendong Liu, Ziwei Zhou   +4 more
doaj   +1 more source

Pantograph/catenary contact force control

, 2015
In this paper, a new continuum-based pantograph/catenary model based on the absolute nodal coordinate formulation (ANCF) is proposed and used to develop an effective method to control the contact force which arises from the pantograph/catenary ...
Brian Tinsley, Patel, Mohil, Carmine M. Pappalardo, Pappalardo, Carmine M., Ahmed A. Shabana, Mohil Patel, Shabana, Ahmed A., Tinsley, Brian   +7 more
core   +1 more source

A New Active Control Strategy for Pantograph in High-Speed Electrified Railways Based on Multi-Objective Robust Control

IEEE Access, 2019
In high-speed railways, the quality of current collection of high-speed train is directly determined by the contact force between the contact wire of the catenary and the registration strip of the pantograph.
Jing Zhang, Hantao Zhang, Baolin Song, Songlin Xie, Zhigang Liu   +4 more
doaj   +1 more source

A Study on the Pantograph Slide Wear Model Based on Energy Dissipation

Applied Sciences
During 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, Binghong Li, Zhonghua Chen, Hebin Wang, Huayang Zhang   +4 more
doaj   +1 more source

Sliding Mode Control with PD Sliding Surface for High-Speed Railway Pantograph-Catenary Contact Force under Strong Stochastic Wind Field

Shock and Vibration, 2017
As is well known, the external disturbance (especially the stochastic wind load) has nonnegligible effect on the operation of pantograph-catenary system, which may cause the strong fluctuation in contact force as well as the increased occurrence of ...
Yang Song, Zhigang Liu, Huajiang Ouyang, Hongrui Wang, Xiaobing Lu   +4 more
doaj   +1 more source