Detection and isolation of actuator failure for actively controlled railway wheelsets

Mirzapour, Mohammad; Mei, T. X.

doi:10.1109/control.2014.6915201

Cited by 2 publications

(1 citation statement)

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“…As the dynamic displacement of the pantograph is not great than 70mm [12,13], thus the dynamic angular movement with 6.0m length pantograph-boom (L pb ) is smaller than (∆θ ≤15 o ). The following approximation could therefore be made that is smaller than 1% in the sine and 2% in the tangent values from the true measurement of the angle [14].…”

Section: Modellingmentioning

confidence: 99%

Trolleybus Catenary-Pantograph Self-generation Contact Force Under Preload

Chen¹,

Allen²

2021

WJAP

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This paper presents part of the research findings from the 'Active Control of Trolleybus Current Collection Systems (ACTCCS)' PhD project undertaken at Loughborough University, UK. In this paper, the issues of preload and self-generation contact force are investigated within a dynamic model and simulation of a 'trolleybus' catenary-pantograph system. The selfgeneration contact force is created under the preload which they are both interdepend and inseparable each other in any kind of catenary-pantograph system. Under normal operations, the preload and self-generation contact forces help maintain contact between the trolleybus pantograph and catenary overhead power line to prevent arcing, power off or even de-wirement. There are four modellings which are single catenary, initial position of pantograph under preload, Integration of a trolleybus' catenarypantograph and combination of trolleybus catenary-pantograph system with self-generation contact force to be gradually built as well as the simulations were carried out. The results of simulations show that there is significant different with and without selfgeneration contact force. Put other words, the trolleybus catenary-pantograph system cannot work properly, even cannot completely work without self-generation contact force. Except trolleybus, the conclusion from modelling and results can also be applicable to all kinds of catenary-pantograph systems including electricized trains, trams, and metros etc.

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Section: Modellingmentioning

confidence: 99%