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Comparing the applicability of complexity measurements for simulink models during integration testing: an industrial case study

Jan Schroeder ; Christian Berger ; Thomas Herpel ; Miroslaw Staron
Proceedings of the Second International Workshop on Software Architecture and Metrics, SAM '15 p. 35-40. (2015)
[Konferensbidrag, refereegranskat]

Context: Simulink models are used during software integration testing in the automotive domain on hardware in the loop (HIL) rigs. As the amount of software in cars is increasing continuously, the number of Simulink models for control logic and plant models is growing at the same time. Objective: The study aims for investigating the applicability of three approaches for evaluating model complexity in an industrial setting. Additionally, insights on the understanding of maintainability in industry are gathered. Method: Simulink models from two vehicle projects at a German premium car manufacturer are evaluated by applying the following three approaches: Assessing a model's (a) size, (b) structure, and (c) signal routing. Afterwards, an interview study is conducted followed by an on-site workshop in order to validate the findings. Results: The measurements of 65 models resulted in comparable data for the three measurement approaches. Together with the interview studies, conclusions were drawn on how well each approach reflects the experts' opinions. Additionally, it was possible to get insights on maintainability in an industrial setting. Conclusion: By analyzing the results, differences between the three measurement approaches were revealed. The interviews showed that the expert opinion tends to favor the results of the simple size measurements over the measurement including the signal routing.

Nyckelord: Simulink, complexity, hardware in the loop, integration testing, interview study, maintainability, metrics, software validity

Denna post skapades 2015-12-09. Senast ändrad 2016-02-18.
CPL Pubid: 227766


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