自动驾驶系统时间同步技术研究

A Method for Time Synchronization of Autonomous Driving Systems

近年来,随着自动驾驶技术的普及,自动驾驶技术开始迈入落地及应用阶段,在系统架构层面传感器和域控制器的复杂度越来越高,激光雷达、毫米波雷达、摄像头等各类传感器及域控制器间的数据同步和融合显得极为重要。基于此,文章详细介绍了集成多类传感器和高阶域控制器基础上的自动驾驶系统时间同步方法,为多传感器数据的精确时间同步、传感器与域控制器的精确时间同步提供了较成熟、可靠及可实施的系统解决方案。

With the popularization of autonomous driving technology,autonomous driving technology has gradually entered the stage of commercial application in recent years.The complexity of sensors and domain controllers is increasing at the system architecture level.The synchronization and fusion of data among various sensors and domain controllers,such as Li-DAR,millimeter wave radar and cameras,is extremely important.Hence the time synchronization method of autonomous driving system based on the integration of multiple sensors and high-order domain controllers is intro⁃duced,providing a mature,reliable and feasible system solution for accurate time synchronization of multi-sensor data and accurate time synchronization between sensors and domain controllers.