Abstract
AbstractThe pantograph is one of the key components of the basic equipment of the high-speed railway traction power supply system. The geometrical parameters of the pantograph have a direct impact on the stability of the vehicle's energy absorption. A good pantograph is a necessary guarantee for reliable train operation. Based on the basic structural parameters of the pantograph, this paper further optimizes the parameters of the pantograph's geometric structure and establishes a multi-objective optimization model for the parameters of the pantograph's geometric structure. We propose a multi-objective genetic algorithm based on the optimized design plan. This method effectively avoids the limitation of gradient information, obtains the optimal Pareto solution set, and obtains refined pantograph structural parameters. By analyzing and comparing the changes of the objective function before and after optimization, it intuitively shows that the changes of the operating structure parameters of the pantograph are consistent with the actual situation, which reflects the accuracy and effectiveness of the multi-objective genetic optimization algorithm in this design.KeywordsPantographGeometric structureMulti-objective modelGenetic algorithmOptimal design
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