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中文摘要：
将产品广义性能作为驱动整个机械产品方案设计过程的有效工具，利用“对象结构”公理推导并结合“P-E”体系给出了产品广义性能的定义，将产品广义性能划分为结构性能和行为性能两类。针对两类广义性能分别进行形式化表述，构建产品广义性能相关的产品符号模型。提出一种广义性能驱动的机械产品方案设计方法，分析性能结构映射可能出现的理想映射、冗余映射和耦合映射关系，给出广义性能驱动机械产品方案设计的过程图解与算法。以注塑机产品重要组成部分之一的注射装置方案设计为例，说明该方法在实际机械产品方案设计中的应用，证明了该方法的正确性、有效性与实用性。
英文摘要：
Generalized performance of product is used as an effective tool to drive the whole process of conceptual design of mechanical product. Generalized performance of product is defined by utilizing the deduction of axiom of ＂object structure＂ which is combined with ＂P-E＂ system. And it is classified into structure performance and behavior performance which are formally described separately, and product symbol model relevant to the generalized performance of product is constructed. Then a mechanical product conceptual design method driven by generalized performance is proposed. Ideal mapping, redundant mapping and coupling mapping which are possibly caused by the process of mapping between structure and performance are analyzed. Illustration and algorithm of the process of conceptual design of mechanical product driven by generalized performance are given. Finally, the conceptual design of injection unit which is one of the important parts of injection moulding machine is taken as an example to illustrate the application of that method in the actual conceptual design of mechanical product and to certify that the method is correct, effective and practical.
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