智能小车环境数据采集与管理系统设计

论文总字数：23925字

目 录

1 引言 1

1.1 研究背景与研究意义 1

1.2 本课题的国内外研究概况 1

1.2.1 智能小车控制 1

1.2.2 环境参数采集与传输 2

1.3 本文的主要工作 2

2 设计方案论证分析 3

2.1 系统需求 3

2.2 方案比较与选择 3

3 系统硬件设计 4

3.1 系统整体设计 4

3.2 微控制器的选择 6

3.2.1 单片机的选型功能分析 6

3.2.2 单片机简介 6

3.2.3 单片机最小系统 7

3.2.4 单片机引脚与各模块的连接 9

3.3 温湿度采集模块 9

3.4 时钟产生模块 10

3.5 烟雾数据采集模块 11

3.6 无线收发模块 11

3.7 电机驱动模块 12

3.8 红外模块 14

3.9 电源模块 14

3.10 舵机模块 15

3.11 其他模块 15

4 系统软件设计 17

4.1下位机程序设计 17

4.1.1主程序设计 17

4.1.2初始化子程序 17

4.1.3 PIT中断子程序 18

4.1.4循迹子程序 19

4.2上位机程序设计 20

4.2.1 Visual Studio与MFC简介 20

4.2.2上位机界面设计 21

4.2.3上位机数据库设计 22

4.2.4上位机开发过程 22

4.2.5上位机串口通信测试 24

5 实物调试结果 28

5.1下位机循迹调试 28

5.2下位机其他功能调试 30

5.3上位机功能整体调试 31

5.3.1串口调试 31

5.3.2数据库查询功能调试 33

5.3.3上位机警示功能 34

6 遇到的问题以及系统改进 36

6.1遇到的问题 36

6.2系统改进 37

7 结束语 37

参考文献 38

致 谢 39

附 录 40

智能小车环境数据采集与管理系统设计

周淏

, China

Abstract：This paper presents a detailed design of hardware and software for an environmental data acquisition and management system based on a smart car. The design is divided into two parts: the lower computer system and the host computer system. The main body of the lower computer system is the Freescale C car, which is controlled by K60 single chip microcomputer, so that it can travel along the predetermined track and collect ambient parameters such as temperature, humidity, smoke concentration and so on. The relevant parameters are transmitted to the host computer system through NRF24L01. The upper computer can display the data collected by the lower computer in real time through the visual interface and stores it in the ACCESS database to facilitate the data management. At the same time, the host computer provides diachronic and real-time parameters query functions. The system also has an alarm function. When the temperature, humidity or smoke data exceed the threshold, the upper computer shows an alarm in the visual interface, and the lower computer carries out the sound and light alarm in the field. In addition, the user can also set up the system parameters, such as the time to collect environmental parameters, by the upper computer. The system is simple in structure, stable in operation and low in cost. After expansion, it is suitable for no work in various environments after expansion.

Key words: Environmental Data; Smart Car; MCU; Host Computer; Database

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