吉林大学学报(工学版) ›› 2024, Vol. 54 ›› Issue (1): 76-85.doi: 10.13229/j.cnki.jdxbgxb.20220251
吴骁1(),史文库1(),郭年程2,赵燕燕2,陈志勇1,李鑫鹏1,孙卓1,刘健2
Xiao WU1(),Wen-ku SHI1(),Nian-cheng GUO2,Yan-yan ZHAO2,Zhi-yong CHEN1,Xin-peng LI1,Zhuo SUN1,Jian LIU2
摘要:
为实现准双曲面齿轮的多目标优化,建立了神经网络代理模型,用以描述Ease off修形参数和传递误差、齿根应力、啮合损失功率的关系。首先,利用动力学软件MASTA建立准双曲面齿轮驱动桥模型,基于敏感度系数矩阵,推导出齿面偏差二阶泰勒展开式对应的机床修形加工参数,建立修形齿轮模型。其次,通过MASTA的加载齿面接触分析功能计算修形齿轮模型的传递误差、齿根应力、啮合损失功率,最终建立神经网络代理模型。最后,采用NSGA-Ⅱ多目标优化算法优化代理模型,进行对比验证。结果表明:采用本多目标优化方法可有效降低准双曲面齿轮的传递误差、齿根应力、啮合损失功率。
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