基于Cortex-A9的路灯数据采集系统的设计与实现

Design and implementation of a street light data acquisition system based on Cortex-A9

为了满足当前智慧城市建设过程中基础信息采集的需要,解决现有采用ZigBee技术、6LoWPAN技术的路灯数据采集系统中数据处理速度不快、可扩展性不高的问题,提出一种基于6LoWPAN和Cortex-A9的LED路灯数据采集系统设计方案。该方案通过STM32嵌入式处理器进行LED路灯节点的控制与数据采集,通过6LoWPAN无线传感器网络技术及边缘路由器进行数据的传输,通过Cortex-A9CPU进行数据的分析与处理,最后通过基于Web技术的电脑服务器界面进行数据的显示。结果表明,与基于ZigBee、6LoWPAN进行数据传输及其他的CPU进行数据处理的系统相比,采用6LoWPAN无线网络和Cortex-A9的数据采集系统,数据处理速度快,系统的兼容性、可扩展性以及抗干扰能力都有明显提高。

A design scheme of LED street light data acquisition system based on 6LoWPAN and Cortex-A9 is proposed,in order to meet the needs of the basic information collection in the process of the construction of smart city,and solve the problem that the data processing speed is not fast and the scalability is not high in the existing lamp data acquisition system using ZigBee and 6LoWPAN technology.The scheme uses the STM32 embedded processor to control and collect the node of the LED street lamp,through the 6LoWPAN wireless sensor network technology and the border router for data transmission,the data is analyzed and processed through the Cortex-A9 CPU,and the data is displayed by the computer server interface based on Web technology.Compared with the data transmission system based on ZigBee and 6LoWPAN and other CPU for data processing,the results show that the data processing system with6 LoWPAN wireless network and Cortex-A9 is fast,the compatibility,extensibility and anti-interference ability of the system are improved clearly.