An efficient and flexible web services-based multidisciplinary design optimisation framework for complex engineering systems

An efficient and flexible web services-based multidisciplinary design optimisation framework for complex engineering systems
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一种高效、灵活的基于Web服务的复杂工程系统多学科设计优化框架

DOI:
10.1080/17517575.2011.651627
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发表时间:
2012-08
影响因子:
4.4
通讯作者:
Liu, Jihong
Liu, Jihong
中科院分区:
计算机科学3区
文献类型:
--
作者:
Li, Liansheng;Liu, Jihong

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多学科设计优化(MDO)涉及多个学科、多个耦合关系和多个过程,由分布在不同地理位置的不同专家利用不同的分析和优化工具在异构平台上实现。参与者之间的产品设计数据集成和数据共享严重阻碍了MDO在企业中的发展和应用。因此,本文提出了一个支持web环境下多学科设计优化的多层次集成产品设计数据模型(MH-iPDM)和一个基于web服务的多学科设计优化框架(web -MDO)。该框架基于web服务、本体、工作流、代理、XML和证据理论等使能技术,使地理上分散的设计人员能够在MDO环境中协同工作。基于本体的工作流使MDO的逻辑推理能够被动态处理。基于证据理论的不确定性推理与分析支持对来自多个来源的相互冲突的认知不确定性进行量化、聚合和分析,从而提高产品质量。最后,利用J2EE开发了概念验证原型系统,并以超音速公务机为例验证了MDO策略的自主执行和所提方法的有效性。
Multidisciplinary design optimisation (MDO) involves multiple disciplines, multiple coupled relationships and multiple processes, which is implemented by different specialists dispersed geographically on heterogeneous platforms with different analysis and optimisation tools. The product design data integration and data sharing among the participants hampers the development and applications of MDO in enterprises seriously. Therefore, a multi-hierarchical integrated product design data model (MH-iPDM) supporting the MDO in the web environment and a web services-based multidisciplinary design optimisation (Web-MDO) framework are proposed in this article. Based on the enabling technologies including web services, ontology, workflow, agent, XML and evidence theory, the proposed framework enables the designers geographically dispersed to work collaboratively in the MDO environment. The ontology-based workflow enables the logical reasoning of MDO to be processed dynamically. The evidence theory-based uncertainty reasoning and analysis supports the quantification, aggregation and analysis of the conflicting epistemic uncertainty from multiple sources, which improves the quality of product. Finally, a proof-of-concept prototype system is developed using J2EE and an example of supersonic business jet is demonstrated to verify the autonomous execution of MDO strategies and the effectiveness of the proposed approach.
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