The paper presents the solution of precise time synchronization in distributed system based on CAN bas,which only small expense of software but without extra hardware and its principle is confirmed by a simple module.

• 介绍了一种不需要额外的硬件开销和仅较小的软件开销即可实现精确时间同步的基于CAN总线的分布系统的解决方案 ,并利用简单的模型验证了该原理的正确性