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| Content Provider | ACM Digital Library |
|---|---|
| Author | Whalen, Michael W. |
| Abstract | Systems are naturally constructed in hierarchies in which design choices made at higher levels of abstraction ``flow down'' to requirements on system components at lower levels of abstraction. Thus, whether an aspect of the system is a design choice or a requirement depends largely on one's vantage point within the hierarchy of system components. Furthermore, systems are often constructed middle-out rather than top-down; compatibility with existing systems and architectures, or availability of specific components influences high-level requirements. We believe that requirements and architectural design should be more closely aligned: that requirements models must account for hierarchical system construction, and that architectural design notations must better support specification of requirements for system components. In this presentation, I describe tools supporting iterative development of architecture and verification based on software models. We represent the hierarchical composition of the system in the Architecture Analysis & Design Language (AADL), and use an extension to the AADL language to describe requirements at different levels of abstraction for compositional verification. To describe and verify component-level behavior, we use Simulink and Stateflow and multiple analysis tools. |
| Starting Page | 41 |
| Ending Page | 42 |
| Page Count | 2 |
| File Format | |
| ISBN | 9781450324670 |
| DOI | 10.1145/2527269.2527293 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2013-11-10 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Cyber physical systems Compositional verification System decomposition |
| Content Type | Text |
| Resource Type | Article |
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