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Validation on Safety of the Intended Functionality of Automated Vehicles: Concept Development
Abstract:
As automated driving technology is evolving quickly and becomes more widely
deployed, it is essential to validate the Safety of the Intended Functionality
(SOTIF) of Automated Vehicles (AVs) prior to mass production. In general, an
exhaustive real-world scenario validation of AVs is considered infeasible due to
excessive time consumption. Additionally, simulation tests alone are often
regarded as inadequate since it is difficult to model the system and physical
properties of vehicles with full fidelity. Therefore, a SOTIF validation method
for AVs is proposed in this article, which consists of structure design and
scenario determination. A mature, systematic, and complete set of testing and
evaluation procedures is presented in structure design, and a scenario
generation method is introduced in scenario determination. The SOTIF validation
method takes advantage of both simulation tests and on-road tests. The goal is
to improve the efficiency and realisticity of validation of AVs.