PLC语音控制的导盲机器人硬件结构设计

摘要导盲机器人是为视觉障碍者行动提供导引辅助的工具，属于服务机器人范畴，它是利用多种传感器对周围环境进行探测，将探测的信息进行处理然后做出相应的反馈提供给驱动装置和视障者，以帮助使用者有效地避开障碍。中国是全世界盲人最多的国家，从2003年统计，中国约有盲人1000万另有双眼低视力患者1200万，如果保持目前的趋势不变，预计到2020年中国盲人数将至少增加一倍。因而设计一款实用的导盲机器人来帮助视觉障碍者是十分重要的，并将有着非常广泛的应用前景。49625

本文在综述国内外现有导盲辅助工具特点的基础上，机器人的行走机构采用1个从动轮和2个主动轮的轮式结构，主动轮由电机驱动，控制车体前行和转向，机器人前进的动力由使用者自身提供。机器人采用西门子S7-200PLC控制，通过超声波、红外、RFID及语音识别等多模块信息交互融合，此机器人可轻松的实现室内避障及语音寻物等多种功能。

毕业论文关键字： PLC 超声波测距模块红外感测模块射频模块

Abstract The seeing eye robot is a tool which provide guiding auxiliary for visual disabilities , which belongs to the category of service robot, it use a variety of sensors to detect the surrounding environment, detecting information is processed and then make the corresponding feedback is provided to the driving device and the visually impaired, to help users to efficiently avoid the obstacles .China is the world blind most countries, according the 2003 statistics, There are 10000000 blind and 12000000 low vision patients, if present trends continue, China will at least double blind number in 2020. So it is very important to design a practical guide robot to help the visually impaired, and will have a very broad application prospects.

On the basis of the characteristics of the domestic and foreign existing guide tool, walking mechanism of the robot use one driven wheel and two driving wheels structure, a driving wheel driven by the motor, control the vehicle forward and steering, power for the robot to move forward by the users themselves with .The robot adopts Siemens S7-200PLC control, through ultrasound, infrared, RFID and speech recognition modules of information integration, the robot can easily realize the indoor obstacle avoidance and voice search and other functions.

Keywords: PLC ultrasonic ranging module Infrared sensing module RFMOD

第一章绪论 1

1.1 选题的目的及意义 1

1.2 国内外发展概况 1

1.2.1 引导式行进辅具 1

1.2.2电子式行进辅具(Electronic travel aids) 2

1.2.3移动式机器人(Mobile robot) 2

1.2.4 穿戴式行进辅具 3

1.3 导盲机器人的发展趋势 4

1.4 论文的主要工作内容 5

第二章总体方案设计 6

2.1方案设计 6

2.2 多传感器检测方案设计 7

2.2.1传感器的选型 7

2.2.2多传感器信息融合设计 10

2.3 控制系统设计 11

2.4 机械结构方案设计 12

第三章机械本体设计 15

3.1 机器人组成 PLC语音控制的导盲机器人硬件结构设计:http://www.youerw.com/jixie/lunwen_52672.html