Research on Integrated Testing Method of New Energy Three Electric System Based on S-HIL
The"three electric systems"(battery,motor,and electronic control)of new energy vehicles are the core of the vehicle's power system,responsible for key functions such as energy storage and management,drive control,and vehicle control.Given the high complexity and fault sensitivity of the"three electricity system",it is crucial to conduct system level validation and fault injection safety testing.However,there is currently a lack of systematic and positive development of the three electric system integration platform in the industry.Relying solely on component level testing is difficult to fully cover the diverse scenarios and working conditions in actual operating environments.System level testing mainly relies on supplier component testing and vehicle testing,which may seriously affect the development progress and quality of new energy vehicle models.To address these issues,a new testing system called System Level Hardware in the Loop(S-HIL)has been proposed.The S-HIL testing system connects real high-voltage components of the three electrical systems with simulated external controlled objects,and uses real-time simulation hardware to simulate,achieving an efficient and low-cost comprehensive testing method for high-voltage components of the three electrical systems.
new energy vehiclessystem integrationhigh voltage systemHILfault injection