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Multi-objective robust design optimization of the mechanism in a sewing machine

机译:缝纫机机制的多目标鲁棒设计优化

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This work deals with the multi-objective robust design optimization of a needle-bar-and-thread-take-up-lever (NBTTL) mechanism used in sewing machines. A multi-objective imperialist competitive algorithm combined with the Monte Carlo method is developed and used for the robust multi-objective optimization of the NBTTL mechanism. This robust optimization minimizes simultaneously the needle jerk, the maximum angular velocity ratio and their standard deviations when the design parameters are known with a given uncertainty. By comparison with Juki 8700, the obtained results showed that the developed algorithm can give a robust design of a sewing machine with the same performance as the those obtained by deterministic methods but less sensitive to the design parameters uncertainties.
机译:这项工作涉及缝纫机中使用的针线和线程上杠杆(NBTTL)机构的多目标稳健设计优化。 多目标帝国主义竞争算法与Monte Carlo方法相结合,并用于NBTTL机制的鲁棒多目标优化。 当设计参数以给定的不确定性已知设计参数时,这种稳健的优化使针速度最小化,最大角速度比和它们的标准偏差。 通过与Juki 8700进行比较,所得结果表明,发达的算法可以提供具有与通过确定性方法而获得的缝纫机相同的缝纫机的稳健设计,但对设计参数不确定度较少。

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