Embedded systems are being increasingly used in changing environments where they no longer fulfill their associated stakeholder goals on their own, but rather in interaction with other embedded systems. This transition to networked, collaborative embedded systems is creating new application opportunities that impose numerous challenges for developers of these systems. In this introductory chapter of the book, we present the complexity of these systems and the challenges associated with them in a coherent manner. We illustrate the challenges using two use cases, “Vehicle Platooning” and “Adaptable and Flexible Factory.” Finally, we reference the challenges of developing collaborative embedded systems to the individual chapters of this book, which describe various methods of mastering the complexity in more detail.
The evolution from traditional embedded systems to dynamically interacting, collaborative embedded systems increases the complexity and the number of requirements involved in the model-based development process. In this chapter, we present the new aspects that need to be considered when modeling functions for collaborative embedded systems and collaborative system groups, such as the relationship between functions of a single system and functions resulting from the interplay of multiple systems. These different aspects are represented by a formal, domain-independent metamodel. To aid understanding, we also apply the metamodel to two different use cases.
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