Abstract: With the rapid development of telematics and intelligent connected technology, and the increasing level of vehicle electronics, over-the-air (OTA) technology will gradually become an important means of functional upgrading and fault repair in the automotive industry. This paper aims to discuss the application of OTA technology based on heavy duty vehicles, focusing on the OTA system scheme and key technologies based on heavy duty vehicles, and according to the future development of heavy duty vehicles in the direction of electronic and electrical architecture upgrade, software defined vehicles, etc. It is concluded that OTA technology will play a greater role in heavy commercial vehicles, and has certain innovative value.

Key words: Heavy commercial vehicles; OTA technology; Intelligent connected technology; Telematics technology

摘要： 随着车联网、智能网联技术的快速发展，以及车辆电子化水平的日益增长，空中下载 （OTA）技术将逐渐成为汽车行业功能升级、故障修复的重要手段。文章旨在探讨基于重型 商用车的 OTA 技术应用，重点介绍基于重型商用车的 OTA 系统方案、关键技术，并根据未 来重型商用车在电子电器架构升级、软件定义汽车等方向的发展，得出 OTA 技术将在重型商 用车千人千面、常用常新上发挥更大的作用，具有一定的创新价值。

关键词: 重型商用车；OTA 技术；智能网联技术；车联网技术