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首页> 外文期刊>Journal of vibration and control: JVC >Methodology to optimize wedge suspensions of three-piece bogies of railway vehicles
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Methodology to optimize wedge suspensions of three-piece bogies of railway vehicles

机译：优化铁路车辆三件转向架的楔形悬架的方法

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摘要

Wedge suspensions are critical systems for three-piece bogies. This paper proposes a methodology to optimize wedge suspensions using white-box suspension models, dynamic simulations of railway vehicle systems, parallel multi-objective Particle Swarm Optimization (pMOPSO), and parallel multi-objective Genetic Algorithm (pMOGA). Two types of original wedge suspensions with three different toe angle configurations were modeled and compared. Four case studies were carried out to prove the feasibility of the optimization methodology. A series of optimized designs were identified using the Pareto Front technique. Demonstrative optimized designs were compared with the original designs. Results show that wedge suspensions with the toe-in configuration provide better dynamic performance for freight wagons. Significant reductions to the maximum wheel/rail contact forces can be achieved by the optimized designs. Linear speed-up was achieved by using the parallel computing technique.
机译：Wedge Suspensions是三件套转向架的关键系统。 本文提出了一种利用白盒悬架模型优化楔形悬架的方法，铁路车辆系统的动态模拟，并行多目标粒子群优化（PMOPSO）和并行多目标遗传算法（PMOGA）。 建模和比较了两种具有三种不同TOE角度配置的原始楔形悬架。 进行了四种案例研究以证明优化方法的可行性。 使用Pareto前部技术识别了一系列优化的设计。 与原始设计进行了比较了示范性优化设计。 结果表明，带脚趾配置的楔形悬架为货车提供了更好的动态性能。 通过优化的设计可以实现对最大轮轨接触力的显着降低。 通过使用并行计算技术实现线性速度。

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