51Sim-One is an autonomous driving simulation and test platform independently developed by 51VR that integrates multi-sensor simulation, traffic flow and intelligent body simulation, perception and decision simulation, and autonomous driving behavior training. The simulation platform is based on the mechanism modeling of physical characteristics, and has the characteristics of high precision and real-time simulation. It is used for the research and development, testing and verification of autonomous driving products. It can quickly accumulate autonomous driving experience for users, and ensure the safety and reliability of product performance. Increase product development speed and reduce development costs.