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    毕业论文关键词： 无线传感网络  ZigBee   CC2530   智能温室  
    Abstract
        The development of wireless communication promotes the application of wireless sensor network technology in the intelligent agricultural.As one of the key technologies of the IOT, wireless sensor network technology is a good solution in environments where there are more data collection wired communication cabling of complex problems.This design is based on the ZigBee technology of intelligent greenhouse environmental parameters collection is designed for wireless sensor networks.As a new type of wireless communications technology, ZigBee technology is a low power, low data rate wireless communication technologies.
    Based on the research of the ZigBee wireless communication technology and wireless sensor network technology, we proposed a design scheme of monitoring system for greenhouse environment parameters based on ZigBee wireless communication technology.Using the CC2530 wireless microcontroller based on 8051 core as hardware core unit design data acquisition hardware circuit node and coordinator node,and use ZigBee wireless communication technology to build a wireless sensor network. With integrated development environment IAR Embedded Workbench, we finish modifying and transplanting ZigBee protocol stack ,coordinator node and terminal node test sample program.We use the CVT-WSN software integrated teaching experiment platform of CVT-IOT-V networking Integrated Laboratory Systems as PC-side Host Computer monitored environmental parameters, and then use CVT-IOT-V networking Integrated Laboratory Systems to simulate some functions test.
    Test results showed that the sensor nodes collect data normally , the network sensor node, routing nodes and the coordinator can be composed of normal data transmission, the coordinator node and the PC can communicate with the host computer,the host function display measuring environmental parameters to meet system design requirements.
    Key word:  WSN   ZigBee   CC2530   Intelligent Greenhouse 
    目  录
    摘  要    I
    Abstract    II
    1 绪论    1
    1.1 课题研究的背景和意义    1
    1.2 国内外发展现状    2
    1.2.1 国外发展现状    2
    1.2.2 国内发展现状    2
    1.3 ZigBee技术    3
    1.4 无线传感网技术    3
    1.5 本论文的研究内容    4
    1.6 本论文的结构安排    5
    2 智能温室系统总体结构设计    6
    2.1 监控系统总体结构    6
    2.1.1 终端节点    7
    2.1.2 协调器    7
    2.2 本章小结    8
    3 系统硬件电路设计    9
    3.1 数据处理及传输模块电路设计    9
    3.2 数据采集电路设计    11
    3.2.1 温湿度测量电路设计    12
    3.2.2 光照强度测量电路设计    13
    3.2.3 二氧化碳浓度测量电路设计    15
    3.2.4 土壤水分测量电路设计    16
    3.3 串口通信电路设计    17
    3.4 开关量驱动控制电路设计    18
    3.5 本章小结    18
    4 系统程序设计    20
    4.1 ZigBee组网程序设计    20
    4.1.1 ZigBee网络层    20
    4.1.2 Z-Stack协议栈    21
    4.1.3 协调器节点与终端节点程序设计    22
    4.2 数据采集程序设计    23
    4.2.1 温湿度采集程序设计    24
    4.2.2 光照采集程序设计    25
    4.3 PC端监控软件    26
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