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中文摘要：
基于曲轴轴承润滑分析建立的轴承陛能数据库，采用插值方法，获取不同结构尺寸轴承的润滑性能，应用粒子群算法，以轴承摩擦功耗为目标，对内燃机曲轴轴承进行优化设计。通过N485柴油机曲轴轴承的实例优化表明，此方法是切实可行的。
英文摘要：
In this paper, based on the database of bearing performances established by lubrication analysis of crankshaft bearing, the lubrication performances of bearing with different parameters were gotten by interpolation. Then, crankshaft bearing was optimized to get minimum friction power loss by using particle swarm algorithm. Crankshaft bearings of N485 diesel were taken for an example of optimization. The result shows that above method is practical and rational.
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Study on design optimization of a crankshaft bearing considering crankshaft strength for an internal
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