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A method for engineering design change analysis using system modelling and knowledge management techniques

机译：利用系统建模和知识管理技术进行工程设计变更分析的方法

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摘要

Engineering design change management is very important to the success of engineering product development. It has been recognised that the earlier change issues are addressed, the greater product lifecycle costs can be saved. However, in practice, most engineering changes happen in the manufacturing phase, the later phase of product development. Change issues happening in the design phase, especially between the functional and the structural domains, have been a research focus in recent years, and thus there is significant research work that has been carried out to resolve early engineering change issues from different perspectives. This article presents a novel methodology that has been developed to help designers trace, analyse and evaluate engineering changes occurring in the product design phase. A modelling method is employed to enhance the traceability of potential design changes occurred between the functional and structural domains of design. Based on functional and physical models, a matrix-based method is developed to analyse change propagations between components and help find out design conflicts arising from design changes. A knowledge-based method has been proposed to resolve design conflicts by reusing previous design change knowledge. An industrial example about changes of a wind turbine cooling system has been used to help understand the methodology and prove its usefulness.
机译：工程设计变更管理对于工程产品开发的成功非常重要。已经认识到，更早解决变更问题，可以节省更多的产品生命周期成本。但是，实际上，大多数工程更改发生在制造阶段，即产品开发的后期。在设计阶段发生的变更问题，尤其是在功能和结构领域之间，一直是近年来的研究重点，因此，已经进行了大量的研究工作，从不同的角度解决了早期的工程变更问题。本文介绍了一种新颖的方法，可以帮助设计人员跟踪，分析和评估产品设计阶段发生的工程变更。采用一种建模方法来增强在设计的功能域和结构域之间发生的潜在设计更改的可追溯性。基于功能和物理模型，开发了一种基于矩阵的方法来分析组件之间的更改传播，并帮助找出由设计更改引起的设计冲突。已经提出了一种基于知识的方法，通过重用先前的设计变更知识来解决设计冲突。有关风力涡轮机冷却系统变化的工业示例已用于帮助理解该方法并证明其有用性。

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