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| Determination of the Optimal Contact Load in Pantograph-Catenary System |
| Chen Zhonghua,Wang Tiejun,Hui Lichuan,Guo Fengyi,Shi YinglongLiaoning Technical University,Huludao125105China |
| Liaoning Technical University,Huludao125105China |
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Abstract In pantograph catenary system,contact load directly influences the current-receiving stability and the service life of the slide and wire of the train. In this paper,through leaching copper carbon slide and copper wire of the friction pair of grinding experiment,analyzes current-receiving and wear of the different current,speed and load and through data fitting to establish prediction model of current relative stability coefficient and wear rate and current,velocity and load,because wear rate and current relative stability coefficient exist contradictory between each other,so applied the multi-objective particle swarm algorithm to solve current relative stability coefficient and wear rate of Pareto optimal front solution. Finally through based on signal to noise ratio of the multi-objective decision method to determine the optimal load based on the stability of current best and wear rate under the condition of relative minimum,for electric locomotive operation adjustment load provide theoretical foundation.
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Received: 09 October 2012
Published: 11 December 2013
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2013, Vol. 28 
