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参数切换机械系统是以变速箱为工程背景 ,以数列为对象抽象出来的一种代数系统 ,具有独特的运算规律 :数列的遍乘、遍加和全并运算。本文简要介绍了此数学理论 ,引入参数结构、数列模式、最小结构实现等概念 ,给出系统 CAD的递归算法 ,并在此基础上开发了基于参数结构的变速箱传动方案 CAD系统。软件最终输出传动方案结构网及其评价 ,突破了变速箱传动方案主要靠经验图解设计的现状 ,为机械产品方案设计提供了有益的借鉴。
Parameter Switched Mechanical system is a kind of algebraic system which takes gearbox as engineering background and abstracts from numerical sequence as object. It has a unique arithmetic rule: the sequence of multiplication, multiplication and totalization. This paper introduces the theory of mathematics briefly, introduces the conception of parameter structure, sequence mode and minimum structure realization, gives the recursive algorithm of system CAD, and on the basis of which, develops the CAD system of gearbox transmission scheme based on parameter structure. The software final output transmission structure network and its evaluation have broken through the actual situation of gearbox transmission scheme mainly based on empirical graphic design, which provides a useful reference for the mechanical product scheme design.