作者：杨娜¹, 徐雁波²

作者单位：1. 商丘工学院信息与电子工程学院，河南 商丘 476000;
2. 商丘工学院机械工程学院，河南 商丘 476000

关键词：5G;传感器测试系统;传输线拐角;汽车控制器

摘要：

随着5G等高频信号快速推广和应用，信号上升边沿极速变陡，对汽车控制器的信号完整性造成极大的威胁。针对5G等高频信号对汽车控制器传输线辐射问题，该文对传输线算法模型进行分析，提出一种边界有限元算法模型，该模型能够对汽车控制器的传输线进行边界界定以此进行理论算法曲线分析；针对汽车控制器传输线互连结构造成的辐射问题，提出一种半圆弧拐角结构，利用Ansys HFSS软件对半圆弧结构进行仿真测试，与理论分析结果进行对比，验证模型的合理性。最后，通过传感器测试系统对仿真模型进行验证，测试结果表明0.5w宽度的圆弧拐角传输线互连结构可以使传输线拐角性能提高11.2%，验证设计的有效性。

Research on the radiation of high frequency (5G) signal to new energy vehicle controller
YANG Na¹, XU Yanbo²
1. School of Information and Electronic Engineering, Shangqiu Institute of Technology, Shangqiu 476000, China;
2. School of Mechanical Engineering, Shangqiu Institute of Technology, Shangqiu 476000, China
Abstract: With the rapid promotion and application of high-frequency signals such as 5G, the rising edge of the signal becomes extremely steep, posing a great threat to the signal integrity of automotive controllers. Aiming at the radiation problem of 5G and other high-frequency signals on the transmission line of automotive controllers, this paper analyzes the transmission line algorithm model and proposes a boundary finite element algorithm model that can define the boundary of the automotive controller transmission line for theoretical algorithm curve analysis. Aiming at the radiation problem caused by the transmission line interconnection structure of the automobile controller, a semi-circular arc corner structure is proposed. The semi-circular arc structure is simulated and tested by Ansys HFSS software, and the results are compared with the theoretical analysis results to verify the rationality of the model. Finally, the simulation model is verified by the sensor test system. The test results show that the wide of 0.5w arc corner transmission line interconnect structure can increase the corner performance of the transmission line by 11.2%, verifying the effectiveness of the design.
Keywords: 5G;sensor test system;corner of transmission line;vehicle controller
2021, 47(4):26-31  收稿日期: 2020-07-15;收到修改稿日期: 2020-08-05
基金项目: 河南省科技厅科技攻关计划项目(182102210482)
作者简介: 杨娜（1984-），女，河南柘城县人，副教授，硕士，研究方向为机电产品测试及通信
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