摘要：本文主要设计一款数字红外测距系统，用于移动机器人对周围环境的感知。首先，本文分析了红外测距的工作原理，给出了数字红外测距系统整体设计构想，选用了STM32F103C8T6单片机作为处理器，夏普红外传感器GP2D12、温度传感器PT100作为传感器；其次，设计了数字红外测距系统数据采集电路，给出了STM32F103C8T6单片机最小系统原理图，红外传感器和温度传感器信号采集电路原理图，串口通信原理图，及电路板的PCB设计板；最后，设计了系统软件，实现了对数据进行A/D转换、滤波、拟合及温度补偿等数据处理功能，有效地提高了测量精度，改善了系统数据输出的平滑性和抗干扰性，减小了外界环境温度对测量结果的影响。实验结果表明，上位机可以通过串口通信实时获得距离测量值，验证了上述设计方案的可行性。
关键词数字红外测距单片机温度补偿数字滤波曲线拟合
毕业设计说明书外文摘要
Title Design of digital infrared ranging system
Abstract：This paper mainly designed a digital infrared ranging system for mobile robot perception of the surrounding environment. Firstly, this paper analyzes the working principle of infrared distance measurement, gives the overall design concept of digital infrared distance measurement system, selects STM32F103C8T6 microcontroller as processor, Sharp infrared sensor GP2D12 and temperature sensor PT100 as sensor. Secondly, this paper designed the system data acquisition circuit, gives the STM32F103C8T6 microcontroller minimum system schematic diagram, infrared sensor and temperature sensor signal acquisition circuit schematic diagram, serial communication schematic diagram, and the circuit board PCB design board; Finally, the system software is designed to realize the data processing functions such as A/D conversion, filtering, fitting and temperature compensation, which can improve the measurement precision and improve the smoothness and anti-jamming of the data output and decrease external ambient temperature on the measurement results. The experimental results show that the host computer can obtain the distance measurement in real time by serial communication, and verify the feasibility of the above design scheme.
Keywords digital infrared ranging microcontroller temperature compensation digital filtering curve fitting
目次
1绪论 1
1.1课题研究的背景及目的 1
1.3课题主要工作及内容安排 2
2红外测距传感器理论基础 4
2.1红外测距原理及方法 4
2.2红外测距传感器GP2D12 5
2.3温度传感器PT100 8
3数字红外测距硬件设计 10
3.1STM32单片机处理模块 10
3.2串口通信模块 13
3.3电源模块 14
3.4红外测距模块 15
3.5PCB设计与调试 16
4数字红外测距软件设计 18
4.1数字红外测距整体工作流程 18
4.2A/D转换模块 20
4.3数据滤波处理 22
4.4温度补偿模块 单片机数字红外测距系统设计+电路图+程序:http://www.chuibin.com/zidonghua/lunwen_205412.html