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首页> 外文期刊>Journal of Mechanical Design >The Design Exemplar: A New Data Structure for Embodiment Design Automation
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The Design Exemplar: A New Data Structure for Embodiment Design Automation

机译：设计范例：用于实施设计自动化的新数据结构

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摘要

A key issue in developing new intelligent computer aided design and manufacturing tools (CAD/CAM) is knowledge representation. Engineering knowledge has been represented in many forms, such as rule sets, design procedures, features, frames, and semantic networks. Some of these are domain dependent, some are query dependent, and some require specialized inferencing engines or solving algorithms, thus providing a severe limitation for exchange and re-use of design knowledge. A standard representation structure that is capable of encapsulating different types of knowledge would be a useful tool. The design exemplar provides a standard representation of mechanical engineering design problem knowledge based upon a canonically derived set of entities and relationships. The data structure of the design exemplar facilitates four basic design tasks: pattern matching, property extraction, design validation, and change propagation. This paper shows that it is possible to map the design exemplar to other representations (procedures, rules, and features). The concept of integrating atomic design exemplars into composite networks for performing complex design tasks is also introduced as a tool for developing and applying the design exemplar in engineering design automation.
机译：开发新的智能计算机辅助设计和制造工具（CAD / CAM）的关键问题是知识表示。工程知识以多种形式表示，例如规则集，设计过程，功能，框架和语义网络。其中一些依赖于域，一些依赖于查询，而某些则需要专门的推理引擎或求解算法，因此为设计知识的交换和重用提供了严重的限制。能够封装不同类型知识的标准表示结构将是一个有用的工具。设计范例基于规范推导的实体和关系集提供了机械工程设计问题知识的标准表示。设计范例的数据结构促进了四个基本设计任务：模式匹配，属性提取，设计验证和变更传播。本文表明，可以将设计示例映射到其他表示形式（过程，规则和功能）。还介绍了将原子设计样例集成到用于执行复杂设计任务的复合网络中的概念，作为在工程设计自动化中开发和应用设计样例的工具。

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