鱼雷涡轮机减速系统设计新方法

A New Design Method of Deceleration System for Torpedo Turbines

针对以往鱼雷涡轮机减速系统设计中的不足,根据鱼雷涡轮发动机的工作特性,确定减速系统传动类型和传动级数,推导出齿轮体积与传动比之间的数学模型,运用结构参数与空间布局耦合的新方法,建立了多级齿轮传动系统的空间布局优化数学模型,采用非支配排序遗传算法-Ⅱ(NSGA-Ⅱ)完成了空间布局方案的优化设计,在满足约束条件的情况下,得到了齿轮系统结构参数和空间布局坐标。计算结果表明,该方法在减速系统设计中具有很好的工程应用价值。

In order to overcome the shortcomings in conventional design of deceleration system of torpedo turbine, the drive type and drive series of deceleration system are determined, and a mathematical model is deducted to describe the relation between gear volume and speed ratio according to the operational characteristic of a certain type of torpedo turbine engine. By using a new method of coupling structural parameters and space layout, a space layout optimization model of a multi-gear drive system is established, and optimization design of space layout is completed by using the non-dominated sorted genetic algorithm-Ⅱ（ NSGA- Ⅱ）. Structural parameters and space layout coordinates of a gear system are obtained under the restrictive conditions. Calculation results show that the proposed method applicable for deceleration system design of torpedo turbines.