[1]席雷鹏,姚凯学,何 勇,等.基于 STM32 的车辆行驶状态信息采集系统[J].计算机技术与发展,2022,32(01):154-159.[doi:10. 3969 / j. issn. 1673-629X. 2022. 01. 026]
　XI Lei-peng,YAO Kai-xue,HE Yong,et al.Vehicle Driving State Information Acquisition System Based on STM32[J].,2022,32(01):154-159.[doi:10. 3969 / j. issn. 1673-629X. 2022. 01. 026]
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基于 STM32 的车辆行驶状态信息采集系统()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
32
期数:
2022年01期
页码:
154-159
栏目:
应用前沿与综合
出版日期:
2022-01-10

文章信息/Info

Title:
Vehicle Driving State Information Acquisition System Based on STM32
文章编号:
1673-629X(2022)01-0154-05
作者:
席雷鹏; 姚凯学; 何 勇; 杨黎娜
贵州大学 计算机科学与技术学院,贵州 贵阳 550025
Author(s):
XI Lei-peng; YAO Kai-xue; HE Yong; YANG Li-na
School of Computer Science & Technology,Guizhou University,Guiyang 550025,China
关键词:
驾驶行为; STM32F103ZET6; 物联网技术; 传感器; 信息采集
Keywords:
driving behavior; STM32F103ZET6; Internet of Things; sensor; information collection
分类号:
TP302
DOI:
10. 3969 / j. issn. 1673-629X. 2022. 01. 026
摘要:
目前,共享汽车以及车险缴纳基本上都以时间为计量单位,而忽视了车辆的使用情况。 同时,驾驶员的不良驾驶行为也是造成交通事故的主要原因。 采用图像处理的方式受到了环境、耗电量、处理能力和驾驶员隐私泄露风险的限制。为了更好地 监 督 车 辆 的 使 用 情 况, 实 现 对 车 辆 的 有 效 管 理, 设 计 了 一 款 车 辆 行 驶 状 态 信 息 采 集 系 统。 系 统 以STM32F103ZET6 为核心处理器,通过 IIC 通信实现三轴加速度、三轴角速度信息的采集; 通过串口通信和 DMA? ?( directmemory access)结合的方式实现经纬度、海拔高度等定位信息的采集;设计了通信协议对数据进行封装,使用 4G 通信方式进行下位机和上位机之间的 数据交互;设计了 SDIO 通信的方式完成 4G 通信信号弱时数据在 SD 卡中的暂时存储;设计的电源模块为系统的各个部分分别提供 12 V、5 V 和 3. 3 V 的稳定电压。 经过测试,该系统能够稳定地实现车辆行驶中的加速度、角速度和定位数据的采集,为车辆的使用情况和驾驶行为分析提供了数据基础。
Abstract:
At present,car-sharing and car-insurance payments are largely time-based,ignoring the use of vehicles. At the same time,baddriving behavior is also the main reason for traffic accidents. The image processing is limited by the environment,power consumption,processing ability and the risk of driver privacy leakage. In order to better monitor the use of vehicles and realize the effectivemanagement of vehicles,a vehicle driving state information acquisition system is designed. The system uses STM32F103ZET6 as thecore processor to realize the acquisition of triaxial acceleration and triaxial angular velocity information through IIC communication.Through the combination of serial communication and DMA ( direct memory access) ,the location information such as longitude,latitudeand altitude can be collected. The communication protocol is designed to encapsulate the data,and the 4G communication mode is used toexchange data between the lower computer and the upper computer. SDIO communication is designed to temporarily store the weak dataof 4G communication signal in the SD card. The power supply module provides 12 V,5 V and 3. 3 V stable voltage for each part of thesystem. After testing,the system can stably realize the acquisition of vehicle acceleration,angular velocity and positioning data,whichprovides the basis for the use of vehicles and driving behavior analysis.

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更新日期/Last Update: 2022-01-10