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International Journal of Automotive Technology > Volume 19(4); 2018 > Article
International Journal of Automotive Technology 2018;19(4): 751-758.
TEST SCENARIO DESIGN FOR INTELLIGENT DRIVING SYSTEM ENSURING COVERAGE AND EFFECTIVENESS
Qin Xia1, Jianli Duan1, Feng Gao1, Qiuxia Hu1, Yingdong He5
1Chongqing University
5University of Michigan
ABSTRACT
Intelligent vehicle greatly benefits traffic safety, efficiency and driving comfortable. With the development of intelligent driving technology and its application, it is becoming increasingly important to do effective and comprehensive tests before putting on the market. Comprehensively considering the cost of test, an automatic generation method of test scenarios is proposed to ensure both coverage and effectiveness. Based on the analyzed key infuence factors of an intelligent driving system, the analytic hierarchy process (AHP) is used to determine their importance and accordingly an complex index is defined, based on which an improved test case generation algorithm based on the pairwise independent combinatorial testing tool (PICT) is proposed to ensuring both combinational coverage and complexity of test cases. Finally, the test scenario is generated by clustering these discrete test cases considering similarity and complexity. The high complex test cases are preferred to be combined together and conducted preferentially to increase the test efficiency. The effectiveness of this method is validated by applying it on a lane departure warning system (LDW).
Key Words: Intelligent vehicles, ADAS, Test scenario design, Analytic hierarchy process, Combinational test
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