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Writing Better Real-Time System Requirements with Use Cases and Services
Technical Paper
2005-01-1315
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
An average person in North America comes in regular contact with an amazing number of real-time systems on a regular basis. For example, an automobile today can have upward of 40 plus real time systems on board. A residential house has real-time systems in many household electronics.
Real-time systems today deliver many customer-facing functionalities. There is a need to express requirements in a manner relevant the customers, for purposes of validation and verification. The proliferation of real-time systems on a single device also creates opportunities for reuse of functionality that rarely existed before.
Use Case technique approaches requirements from a scenario perspective. Scenario provides context and external view points that are better suited to address the validation, verification and reuse challenges. In this paper, we present:
- A few examples of extending use cases for real-time systems to capture system functional requirements.
- A set of guidelines for defining the notion of service
- Reuse of services across Use Cases
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Authors
Topic
Citation
Alladi, V., Wei, J., and Ganesan, S., "Writing Better Real-Time System Requirements with Use Cases and Services," SAE Technical Paper 2005-01-1315, 2005, https://doi.org/10.4271/2005-01-1315.Also In
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References
- Capturing Real Time Requirements By Bruce Powel Douglass http://www.embedded.com Embedded Systems Programming Nov 1 2001
- Real Time Systems, Carnegie Mellon University 18-849b Dependable Embedded Systems Spring 1998
- Kopetz, H. Real-Time Systems, Design Principles for Distributed Embedded Applications Klower Academic Publishers 1997