Overview of Complex System Design
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866915446934994944 |
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| author | Sheppard, John W. |
| author_facet | Sheppard, John W. |
| contents | This chapter serves as an introduction to systems engineering focused on the broad issues surrounding realizing complex integrated systems. What is a system? We pose a number of possible definitions and perspectives, but leave open the opportunity to consider the system from the target context where it will be used. Once we have a system in mind, we acknowledge the fact that this system needs to integrate a variety of pieces, components, subsystems, in order for it to accomplish its task. Therefore, we concern ourselves at the boundaries and interfaces of different technologies and disciplines to determine how best to achieve that integration. Next we raise the specter that this integrated system is complex. Complexity can be defined in a number of ways. For one, the sheer number of subsystems or components can be a measure of complexity. We could also consider the functions being performed by the system and how those functions interact with one another. Further, we could consider computational aspects such as the time or memory that may be needed to accomplish one or more tasks. The extent to which new behaviors might emerge from the system can also be regarded as an element of complexity. In the end, complexity is that characteristic of a system that defines the associated challenges along the life of the system, so we are concerned with how to manage that complexity. Finally, realization refers to the process by which our complex integrated system moves from concept to deployment and subsequent support. It refers to the entire design, development, manufacture, deployment, operation, and support life cycle. Of particular note here, however, is that we focus on systems that, by their very nature, are complex. In other words, we are interested in large, complicated, interacting beasts that are intended to perform difficult tasks and meet a wide variety of end-user needs. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_11026 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Overview of Complex System Design Sheppard, John W. Systems and Control This chapter serves as an introduction to systems engineering focused on the broad issues surrounding realizing complex integrated systems. What is a system? We pose a number of possible definitions and perspectives, but leave open the opportunity to consider the system from the target context where it will be used. Once we have a system in mind, we acknowledge the fact that this system needs to integrate a variety of pieces, components, subsystems, in order for it to accomplish its task. Therefore, we concern ourselves at the boundaries and interfaces of different technologies and disciplines to determine how best to achieve that integration. Next we raise the specter that this integrated system is complex. Complexity can be defined in a number of ways. For one, the sheer number of subsystems or components can be a measure of complexity. We could also consider the functions being performed by the system and how those functions interact with one another. Further, we could consider computational aspects such as the time or memory that may be needed to accomplish one or more tasks. The extent to which new behaviors might emerge from the system can also be regarded as an element of complexity. In the end, complexity is that characteristic of a system that defines the associated challenges along the life of the system, so we are concerned with how to manage that complexity. Finally, realization refers to the process by which our complex integrated system moves from concept to deployment and subsequent support. It refers to the entire design, development, manufacture, deployment, operation, and support life cycle. Of particular note here, however, is that we focus on systems that, by their very nature, are complex. In other words, we are interested in large, complicated, interacting beasts that are intended to perform difficult tasks and meet a wide variety of end-user needs. |
| title | Overview of Complex System Design |
| topic | Systems and Control |
| url | https://arxiv.org/abs/2508.11026 |