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Validating Test Cases for Safety Relevant ECUs using Simulation Models

Conference paper
Authors Ibrahim Alagöz
Jan Schröder
Christoph Funda
Reinhard German
Christian Berger
Published in 4th International Symposium on Future Active Safety Technology towards Zero-Traffic-Accidents (FAST-zero)
Publication year 2017
Published at Department of Computer Science and Engineering (GU)
Language en
Links https://www.researchgate.net/public...
Keywords distributed simulation, active safety, model-based software, Simulink models
Subject categories Software Engineering

Abstract

Software Components responsible for active safety require extensive testing using multiple steps from unit level to integration level. As the hardware involved in this process is costly and limited, it is important that test cases used in this environment are valid. In this study, we present a novel approach towards validating test cases for active safety software components in vehicles. Simulation models from the integration testing step are re-used for validating test cases early in the process. The approach builds upon the SimTAny framework that conducts a test-driven agile simulation. However, simulation models are available in their Matlab/Simulink simulation environment. Thus a distributed simulation of the test and the system model is required. Accordingly, an extended framework for distributed simulation is created using the high- level architecture / run-time infrastructure standard. We validate the approach by applying it to a test for reversible belt tensioning and the respective simulation model. We were able to reuse an existing simulation model and validate connected test cases. We show that the framework has the potential to save valuable time on expensive hardware resources and time to review test results.

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