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Towards an engineering port ontology for system design and simulation.

机译：走向用于系统设计和仿真的工程端口本体。

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This thesis focuses on a component-based formalism and representation for computer aided design applications, especially on the interfaces between components. The inclusion of a comprehensive interface representation supports many common design activities such as refinement, composition, and compatibility checking. The elemental unit for defining such interactions and interfaces is a port.; Ports are defined as locations of intended interaction between a component and its environment. During design of systems, the emphasis is on generating the system architecture: the configuration of sub-systems and the interactions between them. Ports play an important role at this stage of design. They are convenient abstractions for representing the intended exchange of signals, energy or material; they can be applied at different levels of detail, across different energy domains, and to all aspects of design: form, function, and behavior. But to play this versatile role, ports need to be represented in an unambiguous yet flexible fashion for accommodating different disciplines and perspectives.; In this thesis, the semantic structure for such an unambiguous representation is introduced: a port ontology. The ontology formalizes the conceptualization of ports such that engineers and computer aided design applications can reason about component connections and interactions in system configuration. It defines ports in terms of form, function and behavior attributes and further includes axioms that can be used to support a variety of engineering design tasks, such as port refinement, port compatibility checking, and the instantiation of interaction models.; The contribution of this research work is to validate and verify the hypotheses we have proposed that answer the research questions: "How can one represent the interaction of systems formally, comprehensively, and unambiguously?", "How can this representation be used to further improve and systematically guide component search, design refinement, and iterative design?" and "How can the interaction representation be used to explicitly capture and formally infer composition, compatibility checking, and interaction model selection?" The development of the port ontology answered the first question. And a LEGO system design example introduced in this thesis provides the initial validation for the second and third questions.
机译：本文着重于计算机辅助设计应用程序的基于组件的形式化和表示，特别是组件之间的接口。包含全面的接口表示形式，可以支持许多常见的设计活动，例如细化，组成和兼容性检查。定义这种交互和接口的基本单元是端口。端口定义为组件与其环境之间预期交互的位置。在系统设计期间，重点在于生成系统体系结构：子系统的配置及其之间的交互。在此设计阶段，端口起着重要作用。它们是方便的抽象，用于表示信号，能量或材料的预期交换。它们可以在不同的详细程度，不同的能量范围内应用到设计的各个方面：形式，功能和行为。但是，要发挥这种多方面的作用，就必须以明确而灵活的方式代表港口，以适应不同的学科和观点。本文介绍了这种明确表示的语义结构：端口本体。本体将端口的概念化形式化，以便工程师和计算机辅助设计应用程序可以推理系统配置中的组件连接和交互。它根据形式，功能和行为属性定义端口，并进一步包括可用于支持各种工程设计任务的公理，例如端口细化，端口兼容性检查和交互模型的实例化。这项研究工作的目的是验证和验证我们提出的回答以下研究问题的假设：“如何才能正式，全面而明确地表示系统的相互作用？”，“如何使用这种表示来进一步改进并系统地指导零件搜索，设计改进和迭代设计？”以及“如何使用交互表示来显式捕获并正式推断组成，兼容性检查和交互模型选择？”端口本体的发展回答了第一个问题。并以本文介绍的乐高系统设计实例为第二和第三题提供了初步的验证。

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