基于UWB定位系统硬件平台设计

doi:10.16180/j.cnki.issn1007-7820.2019.10.005

电子科技 ›› 2019, Vol. 32 ›› Issue (10): 22-27.doi: 10.16180/j.cnki.issn1007-7820.2019.10.005

基于UWB定位系统硬件平台设计

刘琦¹,沈锋²,王锐¹

^1. 哈尔滨工程大学自动化学院,黑龙江哈尔滨 150001
^2. 哈尔滨工业大学电气工程及自动化学院,黑龙江哈尔滨 150001

收稿日期:2018-10-24 出版日期:2019-10-15 发布日期:2019-10-29
作者简介:刘琦(1995-),男,硕士研究生。研究方向:超宽带通信。|沈锋(1981-),男,教授。研究方向:卫星无线电导航定位。|王锐(1995-),男,硕士研究生。研究方向:嵌入式系统。
基金资助:
国家自然科学基金(61673128);黑龙江省自然科学基金资助项目(F2015031)

Design of Hardware Platform for UWB Positioning System

LIU Qi¹,SHEN Feng²,WANG Rui¹

^1. College of Automation,Harbin Engineering University,Harbin 150001,China
^2. School of Electrical Engineering & Automation, Harbin Institute of Technology,Harbin 150001,China;

Received:2018-10-24 Online:2019-10-15 Published:2019-10-29
Supported by:
National Natural Science Foundation of China(61673128);Heilongjiang Natural Science Foundation(F2015031)

摘要/Abstract

摘要：

为进一步研究基于UWB的无线定位技术,文中设计了一种基于UWB定位系统硬件平台。硬件平台基于模块式设计思路,选用STM32F405作为主控制器,通过SPI总线与DW1000射频芯片通信。UWB射频电路围绕DW1000设计布局,使用全向外置天线。硬件平台在通信方面设计使用GPRS无线通信模块并采用TOA定位方式,预留GPIO外设扩展接口。经制板测试,在视距空旷环境下最远通信距离为110m,在相同环境下100m测距均方根误差20.2cm,室内非视距环境中定位误差为20cm,满足室内高精度定位技术研究需求。

关键词: UWB, 无线定位, 室内定位, DW1000, TOA, 非视距

Abstract:

A hardware platform based on UWB positioning system was designed for further studying the wireless positioning technology based on UWB. The hardware platform is based on the modular design idea, using STM32 as the main controller and communicating with DW1000 RF chip through SPI bus. The UWB RF circuit was designed layout around of DW1000, with the use of full external antenna. The hardware platform designed GPRS wireless communication mode and adopted the TOA positioning mode, and reserved the GPIO peripheral extension interface. The measured results showed that the farthest communication distance was 110 m in LOS environment, the RMSE error of 100 m in the same environment was 20.2 cm, and the positioning error in indoor NLOS environment was 20 cm, which satisfied the research needs of indoor high-precision positioning technology.

Key words: UWB, wirelesspositioning, indoorpositioning, DW1000, TOA, NLOS

中图分类号:

TN925

刘琦,沈锋,王锐. 基于UWB定位系统硬件平台设计[J]. 电子科技, 2019, 32(10): 22-27.

LIU Qi,SHEN Feng,WANG Rui. Design of Hardware Platform for UWB Positioning System[J]. Electronic Science and Technology, 2019, 32(10): 22-27.

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基于UWB定位系统硬件平台设计

Design of Hardware Platform for UWB Positioning System

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