NDLI: Model Based Requirements Analysis and Testing of Automotive Systems with Timed Usage Models

Content Provider	IEEE Xplore Digital Library
Author	Siegl, S. Hielscher, K. German, R.
Copyright Year	2010
Abstract	In the automotive industry requirements are often still composed of natural language text, spreadsheets, drawings, and formal models. Models are often used to describe partial aspects from the whole set of requirements. Hence, ???aws and vagueness in requirements are common and hard to discover. Upcoming standards like ISO 26262 request the automotive industry to be more strict and formal on the requirements. Formal notation and unambiguitiy is explicitely stated. In the field of system and acceptance testing requirements are the basis for all activities. Although, requirements are often not close to testing. To overcome this we introduced the Timed Usage Model (TUM) as a formal representation of requirements specification. During the creation of the model the requirements are analyzed and brought into an unambiguous and formal representation. Traceability is achieved, as each path in the model must be based upon a requirement. The formulation of the requirements in form of an unambiguous model clarifies the requirements and helps to detect design errors. During the creation of the model omissions and ???aws in the requirements are discovered. The model serves as a communication medium when functionality responsibles are involved to clarify these aspects. Timed Usage Models were created for power train functionality and the energy management. Moreover, the model as a formalized representation of the requirements served as the basis for the whole testing process, including test planning, test case generation, and test campaign analysis.
Starting Page	345
Ending Page	350
File Size	442063
Page Count	6
File Format	PDF
ISBN	9781424480227
ISSN	1090705X
DOI	10.1109/RE.2010.49
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-27
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Unified modeling language Testing Analytical models Industries Automotive engineering Engines Automation Road Vehicle Electronics Software requirements and specifications Software Verification and Validation Real Time Systems Modeling
Content Type	Text
Resource Type	Article

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