Results 161 to 170 of about 17,188,629 (216)
An Interactive Model of a Pantograph-Catenary System
Vehicle System Dynamics, 1996 SUMMARY The overhead electrification system for high speed trains is modeled by a three degree of freedom pantograph and an infinite homogeneous and elastically supported beam. Travelling wave solutions for the beam with a moving load are used to derive an equivalent stiffness for the pantograph model.
Martin Lesser +2 more
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Contact force control in multibody pantograph/catenary systems
Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics, 2016 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 interaction.
Pappalardo, Carmine M. +3 more
core +4 more sources
Dynamics of the Pantograph-Catenary System
, 2019 Pantograph-catenary interaction is a critical issue for electrified railway systems, as it represents a limiting factor for the maximum speed at which the electric rolling stock can be operated and, at the same time, strongly affects the reliability, availability and maintainability of both the rolling stock and the infrastructure. This chapter reviews
Stefano Bruni +3 more
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Hough transform and thermo-vision for monitoring pantograph-catenary system
Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 2006The pantograph-overhead contact wire system is investigated by using an infrared camera. As the pantograph has a vertical motion because of the non-uniform elasticity of the catenary, in order to detect the temperature along the strip from a sequence of infrared images, a segment-tracking algorithm, based on the Hough transformation, has been employed.
Alberto Landi, L Sani
exaly +3 more sources
Surrogate modeling of pantograph-catenary system interactions
Mechanical Systems and Signal ProcessingBo Jin, Weihua Zhang, Ning Zhou
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A tracking control for pantograph-catenary system
2015 54th IEEE Conference on Decision and Control (CDC), 2015One of the relevant problems in high-speed train transportation systems is the regulation of the contact force between the catenary and the pantograph. The contact force should ensure a satisfactory permanent electricity feeding for the train. In this paper, a linear time varying (LTV) model of the pantograph-catenary (PAC) system is introduced.
Nassim Mokrani +2 more
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Output Feedback Control of Pantograph-Catenary System
IFAC Proceedings Volumes, 2013Abstract Controlling the contact force between the pantograph and the catenary has become a requirement for improving the performances and efficiency of high-speed train systems. Indeed, these performances may considerably be reduced because of the catenary equivalent stiffness variation.
El Ayachi Chater +5 more
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An investigation of pantograph parameter effects for pantograph-catenary systems
2014 IEEE International Symposium on Innovations in Intelligent Systems and Applications (INISTA) Proceedings, 2014The pantograph and the catenary perform the current collection process in electrical railway systems. In such systems, the main purpose is to improve the quality of current collection. Many factors and parameters can affect the interaction between the pantograph and the catenary.
Ebru Karaköse, Muhsin Tunay Gençoglu
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Sensitivity analysis of pantograph-catenary system model
2012 IEEE 5th India International Conference on Power Electronics (IICPE), 2012The contact wire experiences a dynamic force from the pantograph mechanism which results in the vibrations in the contact wire. A mathematic model between displacement of contact wire and force is developed. The displacement and dynamic force vary with the parameters of pantograph mechanism.
Priya Mahajan +2 more
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Hybrid Simulation of Dynamics for the Pantograph-Catenary System
Vehicle System Dynamics, 2002Summary In order to examine the static and dynamic behavior of the pantograph-catenary system, a special teat facility is established and described in this paper. Since the catenary is difficult to be modeled by a hardware teat facility indoor, a mixed theoretical-experimental technique is introduced, in which the pantograph is an actual one but the ...
Weihua Zhang +3 more
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