A pairwise combination testing method was studied,and a vehicle ECU testing scheme based on an im-proved AETG algorithm was proposed.By handling adjacent parameters and boundary conditions,the design and exe-cution process of composite testing were optimized.Conducted in-depth research on the AETG algorithm and pro-posed an algorithm improvement plan by optimizing the parameter selection strategy,which improved the simplification of generating test cases.Finally,the effectiveness of the proposed method was verified through experimental design of a corresponding testing platform.Compared to traditional testing methods,this study has improved testing efficiency by more than 15 times,providing a more efficient solution for future in vehicle ECU testing,which is of great signifi-cance for promoting the reliability and performance improvement of automotive electronic systems.
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