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首页> 外文期刊>Procedia CIRP >Product Element Sensitivity Measurement Under Multiple Exogenous Uncertainties Considering Change Propagation Behavior
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Product Element Sensitivity Measurement Under Multiple Exogenous Uncertainties Considering Change Propagation Behavior

机译：考虑变化传播行为的多个外源性不确定性下的产品元素灵敏度测量

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摘要

In the flexible design for a complex product, it's necessary to identify the product element's sensitivity to multiple exogenous uncertainties at initial design stage. In the traditional method, relation transitivity is a basic assumption in the change propagation network. This assumption is not always a realistic situation in the product system design. In order to make the sensitivity parameter better reflect the change propagation behavior, this paper provides a sensitivity identification method based on the Multi-Domain Matrix (MDM). A change attenuation parameter is introduced, and the combined influence matrix of the MDM is obtained using the powers of the MDM. Based on the combined influence matrix, the sensitivity value of a product element to all exogenous factors is obtained. A case study on the design of a High Speed Rail (HSR) system is used to illustrate the application of this approach. Results show that the proposed approach can identify the sensitivity of a product element more reasonably.
机译：在灵活的复杂产品设计中，有必要在初始设计阶段识别产品元素对多种外源性不确定性的敏感性。在传统方法中，关系传递性是变化传播网络中的基本假设。这种假设并不总是在产品系统设计中的现实情况。为了使灵敏度参数更好地反映变化传播行为，本文提供了一种基于多域矩阵（MDM）的灵敏度识别方法。介绍了变化衰减参数，使用MDM的功率获得MDM的组合矩阵。基于组合的影响基质，获得产品元素对所有外源因子的敏感性值。对高速轨（HSR）系统设计的案例研究用于说明这种方法的应用。结果表明，该方法可以更合理地识别产品元素的敏感性。

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