The development of mechatronic products is complex because it deals with the interaction between different domains. In a literature review, the absence of a method capable of integrating the functional view of a mechatronic product into a single model was observed. This article aims to develop a functional modeling method to aid the conceptual design of mechatronic products. The proposed procedure describes the phases and steps required to create functional models and use cases for the different mechatronics knowledge domains and to combine them into a single functional model. The use of the proposed method is demonstrated through its application in the development of an air compressor. The method is then evaluated by experts and tested in the development of an autonomous vehicle for railway inspection, demonstrating its feasibility and the presentation of functional information in a single diagram. Factors such as effectiveness, usability and repeatability were also verified, and an efficient presentation of the function model was observed, allowing to view the relations between the mechanics, electronics and software domains in a unified diagram. The great benefit of the proposed method lies is in the possibility of also using functional models in the context of mechatronic product design.

机电产品的开发很复杂，因为它处理不同领域之间的相互作用。在文献综述中，观察到缺乏能够将机电产品的功能视图整合到单个模型中的方法。本文旨在开发一种功能建模方法，以帮助机电产品的概念设计。提议的过程描述了为不同机电一体化知识领域创建功能模型和用例并将它们组合为一个功能模型所需的阶段和步骤。通过其在空气压缩机开发中的应用，证明了该方法的使用。然后，该方法由专家进行评估，并在开发用于铁路检查的自动驾驶汽车时进行测试，在单个图表中展示其可行性和功能信息的呈现。还验证了有效性，可用性和可重复性等因素，并观察了功能模型的有效表示，从而可以在统一图中查看机械，电子和软件领域之间的关系。所提出的方法的最大好处在于在机电产品设计的背景下也可以使用功能模型的可能性。