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首页> 外文期刊>International journal of modeling, simulation and scientific computing >Vibration performance discrete optimization of a gear system featuring confluence transmission used in marine gearbox
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Vibration performance discrete optimization of a gear system featuring confluence transmission used in marine gearbox

机译：船用齿轮箱采用汇流传动的齿轮系统的振动性能离散优化

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摘要

A dynamic model of gear transmission system which includes time-varying meshing stiffness, meshing damp and transmission error is established. Next, the analytical solution of the vibration response would be obtained by solving the dynamic model based on the harmonic balance method. And on this basis, a dynamic performance discrete optimization model of transmission sub-system would be constructed, which sets objective function up from vibration acceleration and the total mass of transmission sub-system, treats the module, number of teeth and helix angle as design variables, and takes gear strength and assembly relationship as constraints. Last, the optimal solution of design variables could be obtained through the multivariable mixed discrete optimization program which based on the branch-bound algorithm. The results show that the vibration acceleration and the total mass of transmission sub-system reduce by 34.6% and 6.8%, respectively.
机译：建立了包括时变啮合刚度，啮合阻尼和传输误差在内的齿轮传动系统动力学模型。接下来，通过基于谐波平衡法求解动力学模型，可以获得振动响应的解析解。在此基础上，构造了传动子系统的动态性能离散优化模型，从振动加速度和传动子系统的总质量建立了目标函数，将模块，齿数和螺旋角作为设计指标。变量，并以齿轮强度和装配关系为约束。最后，可以通过基于分支约束算法的多元混合离散优化程序获得设计变量的最优解。结果表明，振动加速度和传输子系统的总质量分别降低了34.6％和6.8％。

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