车用CAN网络瞬态干扰的来源及控制

CAN网络结构设计对其抗干扰特性的影响很大,良好的结构设计可以提高系统的稳定性,从车内CAN网络被干扰的实际问题入手,通过对CAN网络上采集到的干扰信号进行研究,结合车内电子部件的工作原理及发生电磁干扰的原理,分析产生此问题的原因,提出解决方案,并通过测试验证了解决方案的有效性,通过干扰发生器施加更大强度的干扰的方法,验证了改进方案的安全裕度,达到使用要求。

Analysis and Control of Transient Interference Sources in Vehicular CAN Network

CAN network architecture design of its anti-interference characteristics of a great, good design can improve the structural stability of the system, this article from the vehicle CAN networks are practical problems of interference, through the acquisition of the CAN network to study the interference signal , combined with electronic components inside the working principle and the principle of electromagnetic interference occurs, analyze the causes of this problem and put forward solutions, and tested to verify the validity of the solution, through the interference generator exert greater strength interference method, the certification program to improve the safety margin to use requirements.