Abstract
Industrial Cyber–Physical System (CPS) is an emerging approach towards value creation in modern industrial production. The development and implementation of industrial CPS in real-life production are rewarding yet challenging. This paper aims to present a concept to develop, commercialize, operate, and maintain industrial CPS which can motivate the advance of the research and the industrial practice of industrial CPS in the future. We start with defining our understanding of an industrial CPS, specifying the components and key technological aspects of the industrial CPS, as well as explaining the alignment with existing work such as Industrie 4.0 concepts, followed by several use cases of industrial CPS in practice. The roles of each component and key technological aspect are described and the differences between traditional industrial systems and industrial CPS are elaborated. The multidisciplinary nature of industrial CPS leads to challenges when developing such systems, and we present a detailed description of several major sub-challenges that are key to the long-term sustainability of industrial CPS design. Since the research of industrial CPS is still emerging, we also discuss existing approaches and novel solutions to overcome these sub-challenges. These insights will help researchers and industrial practitioners to develop and commercialize industrial CPS.
Highlights
Sensors, actuators, and systems within industrial production facilities became more and more connected and were equipped with increasing computational power before Industrie 4.0 [1] was proposed
While the areas of application of Cyber–Physical System (CPS) range from medicine to smart buildings [4], we focus on industrial CPS applications which are in the scope of Industrie 4.0
The phases of the life-cycle for each CPS component should be specified during the R&D process and the components should be designed in a way that especially the operation phase and the maintenance phase fit each other
Summary
Actuators, and systems within industrial production facilities became more and more connected and were equipped with increasing computational power before Industrie 4.0 [1] was proposed. CPS describes the connection between a physical asset, its digital twin and industrial applications, including the key technological aspects of communication and cybersecurity within the CPS. This concept is used throughout this article to structure the content and provide guidance of the challenges arising from developing CPS, and can be seen as a generalization of existing ideas and reference architectures, as we will explain in more detail. The components (physical assets, digital twins, and industrial applications) and other key technological aspects (communication and cyber security) of a CPS are developed independently of one another, as they have been utilized independently in industrial practice beforehand.
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