车载网络和 ECU 测试

车载以太网和其他总线系统

通常，一辆汽车内部会有 100 多个电子控制单元 (ECU) 用以控制各种系统，包括刹车、变速器、发动机、空调、转向、摄像头、雷达、声传感器以及非蜂窝和蜂窝无线通信。

ECU 之间通过汽车总线进行通信，包括控制器局域网 (CAN)、媒体导向系统传输 (MOST)、局域互连网络 (LIN) 和 FlexRay 总线。

汽车电子原始设备制造商和一级供应商正在从混合多种不同总线类型转为采用更为统一的总线类型，确保数据吞吐量更高、延迟更低、重量更轻，从而减少复杂性并增加成本效益。

罗德与施瓦茨车载以太网测试解决方案的特点：

针对 CAN、CAN-FD、LIN、FlexRay、CXPI、SENT、100BASE-T1 和 1000BASE-T1 的触发和解码功能
根据 802.3cg、802.3bw、802.3bp、802.3ch 等标准的车载以太网一致性测试（10BASE-T1S、100BASE-T1、1000BASE-T1、2.5/5/10GBASE-T1）
根据 OPEN 联盟 TC9 规范的通道和连接器测试（100BASE-T1、1000BASE-T1、2.5/5/10GBASE-T1）
电磁干扰 (EMI) 调试、车载网络 (IVN) 信号和电源完整性验证与分析

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专家资料

Automotive-BMS-battery-management-testing-ralf-oestreicher-portrait_50078_02_1000x.jpg

Nik Dimitrakopoulos 博士，汽车电子市场部经理

“现代汽车通常会通过不同的车载总线网络连接 100 多个电子控制单元 (ECU)。这些总线可用于交换信息和协调控制。自主驾驶技术要求提高车载通信系统的传输数据率。现在，我们面对的是 100/1000BASE-T1 以太网。未来，可能就会实现高达数千兆的通信速度。为验证这些数据流的功能和质量，汽车电子工程师需要能够搜索特定信号，触发、解码和测量串扰，以及执行一致性测试。”

Ernst Flemming 博士，罗德与施瓦茨示波器产品管理总监

“现在，车载以太网已广泛用于汽车。在 OPEN 联盟中，业界已经确定了具体的一致性测试规范。我们提供完整的 100BASE-T1 及 1000BASE-T1 一致性测试解决方案，并被原始设备制造商、一级供应商和测试机构广泛接受。借助全新的 100BASE-T1 触发和解码解决方案，现在车载以太网可以像传统 CAN 总线一样进行调试。”

车载网络和 ECU 测试

车载以太网和其他总线系统解决方案

车载以太网一致性测试

汽车电子总线和协议测试

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