基于ADS和HFSS的矿井UWB射频前端电磁联合仿真方法

任文清

doi:10.13272/j.issn.1671-251x.18073

基于ADS和HFSS的矿井UWB射频前端电磁联合仿真方法

doi: 10.13272/j.issn.1671-251x.18073

任文清

国家能源集团神东煤炭集团公司, 陕西榆林　719315

基金项目: 国家能源集团科技创新项目（GJNY2030XDXM-19-06.1）；国家重点研发计划项目（2017YFC0804303）。

详细信息

作者简介:
任文清（1984—），男，陕西神木人，工程师，硕士，现从事矿井精确定位方面的工作，E-mail:345939212@qq.com

中图分类号: TD655
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- 文章访问数: 295
- HTML全文浏览量: 50
- PDF下载量: 31
- 被引次数: 0
出版历程
- 收稿日期: 2023-01-18
- 修回日期: 2023-02-16
- 网络出版日期: 2023-02-27

Mine UWB radio frequency front-end electromagnetic co-simulation method based on ADS and HFSS

REN Wenqing

CHN Energy Shendong Coal Group Co., Ltd., Yulin 719315, China

摘要

摘要: 射频前端是矿井超宽带（UWB）定位系统的重要组成部分，其电磁性能影响定位精度。目前UWB定位系统射频前端设计一般针对单独器件或芯片使用ADS或HFSS进行仿真设计，随着射频前端设计的频段越来越高，分立元件、传输线等三维结构之间引起的寄生效应对射频前端电路性能的影响越来越大，需要研究板级射频前端电磁联合仿真方法。针对上述问题，提出了一种基于ADS和HFSS的矿井UWB射频前端电磁联合仿真方法。首先，采用HFSS软件对无源器件进行建模，并用HFSS软件直接进行仿真得到对应的snp文件。然后，使用ADS软件建立有源器件原理图，将参数读取控件和原理图连接，并将snp文件导入控件中。最后，在ADS中对原理图进行仿真，ADS和HFSS之间通过S参数作为媒介来进行联合操作，实现UWB射频前端电磁特性的联合仿真。综合运用ADS和HFSS对UWB射频前端有源器件、无源器件及整体板级电路进行联合仿真，并根据仿真原理制作测试样品，实验结果表明，联合仿真结果与样品实测结果匹配，可用于UWB射频前端设计和电磁性能综合测试。将以电磁联合仿真方法设计的射频前端制作成PCB样品并用于UWB定位系统进行定位极限距离测试，测试结果表明，以电磁联合仿真方法设计的射频前端完全可以满足实际产品性能需求，在设计阶段对实际产品效果预测准确，提高了设计效率，降低了设计成本。
- UWB定位 /
- 射频前端 /
- HFSS /
- ADS /
- 电磁仿真
Abstract: The radio frequency front-end is an important part of mine ultra-wideband (UWB) positioning system. Its electromagnetic performance affects positioning precision. At present, the RF front-end design of the UWB positioning system is generally simulated by ADS or HFSS for single device or chip. With the increasing frequency band of RF front-end design, the parasitic effect caused by three-dimensional structures such as discrete components and transmission lines has more and more influence on the performance of RF front-end circuits. It is necessary to study the electromagnetic co-simulation method of the board-level RF front-end. In order to solve the above problems, a mine UWB RF front-end electromagnetic co-simulation method based on ADS and HFSS is proposed. Firstly, the passive device is modeled by HFSS software. The corresponding snp file is obtained by directly simulating with HFSS software. Secondly, ADS software is used to build the schematic diagram of active devices, connect the parameter reading control with the schematic diagram, and import the snp file into the control. Finally, the schematic diagram is simulated in ADS, and the joint operation between ADS and HFSS is realized through S parameters as the medium to realize the joint simulation of UWB RF front-end electromagnetic characteristics. ADS and HFSS are used to co-simulate the active components, passive components and the whole board-level circuit of the UWB RF front-end. The test samples are made according to the simulation principle. The experimental results show that the co-simulation results match the measured results of the samples. It can be used for the design of the UWB RF front-end and the comprehensive test of electromagnetic performance. The RF front-end designed by the electromagnetic co-simulation method is made into a PCB sample and used in a UWB positioning system to test the positioning limit distance. The test results show that the RF front-end designed by the electromagnetic co-simulation method can completely meet the performance requirements of the actual product. It can accurately predict the effect of the actual product in the design stage, improve the design efficiency and reduce the design cost.
- UWB positioning /
- RF front-end /
- HFSS /
- ADS /
- electromagnetic simulation

HTML全文

图 1 ADS和HFSS联合仿真原理

Figure 1. Co-simulation principle of ADS and HFSS

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图 2 微带传输线的HFSS模型

Figure 2. HFSS model of microstrip transmission line

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图 3 微带传输线的PCB样品

Figure 3. PCB sample of microstrip transmission line

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图 4 微带传输线仿真性能和实测性能对比

Figure 4. Comparison between simulation performance and measured performance of microstrip transmission line

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图 5 巴伦测试板HFSS模型

Figure 5. HFSS model of Barron test board

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图 6 巴伦测试板样品

Figure 6. Sample of Barron test board

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图 7 巴伦测试板联合仿真原理

Figure 7. Co-simulation principle of Barron test board

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图 8 巴伦测试板仿真性能和实测性能对比

Figure 8. Comparison between simulation performance and measured performance of Barron test board

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图 9 放大器测试板HFSS模型

Figure 9. HFSS model of amplifier test board

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图 10 放大器测试板样品

Figure 10. Sample of amplifier test board

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图 11 放大器测试板联合仿真原理

Figure 11. Co-simulation principle of amplifier test board

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图 12 放大器测试板仿真性能和实测性能对比

Figure 12. Comparison between simulation performance and measured performance of amplifier test board

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图 13 射频前端HFSS模型

Figure 13. HFSS model of RF front-end

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图 14 射频前端样品

Figure 14. Sample of RF front-end

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图 15 收发状态下射频前端联合仿真原理

Figure 15. Co-simulation principle of RF front-end under transceiver status

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图 16 接收通道仿真性能和实测性能对比

Figure 16. Comparison between simulation performance and measured performance of receiving channel

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图 17 发射通道仿真性能和实测性能对比

Figure 17. Comparison between simulation performance and measured performance of transmission channel

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图 18 测试布置

Figure 18. Test layout

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