A Method for an Efficient, Systematic Test Case Generation for Advanced Driver Assistance Systems in Virtual Environments

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A Method for an Efficient, Systematic Test Case Generation for Advanced Driver Assistance Systems in Virtual Environments

Schuldt, Fabian / Reschka, Andreas / Maurer, Markus

Abstract In this chapter, a method for an efficient, systematic test case generation for the test of advanced driver assistance systems in virtual environments is presented. The method is one of four steps in a systematic test process. These four steps are (1) analysis of the system, (2) test case generation, (3) test execution, and (4) test evaluation. The analysis serves to identify factors that have an impact to the system. The aim of the test case generation is to discretize value-continuous parameters into equivalence classes and to reduce the number of test cases for necessary test coverage. The test case generation uses combinatorial algorithms to achieve this objective. A test case is generated based on a 4-level model, which consists of the road network, adjustments for special situations, dynamic elements, and environmental conditions. To generate reproducible test cases, a special control for dynamic elements is introduced to adapt the behavior of dynamic elements to non-deterministic target elements. The test case generation is presented in a case study of a constriction assist. The test evaluation is used to verify the system and to replay test cases or important factors to the previous steps of the test concept.