Case Study: Hyundai Motor Company reduces APAS design optimization time by 50% with Hexagon Actran

Hyundai uses simulation software to develop an active pedestrian alerting system without complex physical prototyping

Hyundai Motor Company faced the challenge of designing an Active Pedestrian Alerting System (APAS) for its electric vehicles to comply with US and EU noise regulations without creating excessive interior cabin noise for passengers. The company's engineers previously relied on lengthy physical prototyping, which took one to two months per design and provided limited data, to develop a speaker system that could meet the complex acoustic requirements.

The vendor Hexagon, using its MSC Actran software, provided a simulation solution that modeled the speaker and its acoustic environment. This allowed Hyundai to perform parametric studies to optimize the speaker’s enclosure, waveguide, and placement, ultimately designing a system that met all regulatory frequency targets while minimizing size and power consumption. The use of simulation cut the design optimization time by 50% compared to traditional methods and the final physical prototype successfully met all performance requirements.

Hyundai Motor Company

Jinmo Lee

Senior Research Engineer