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上海电力大学学报:2010,26(6):601-604
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基于超声波测距的盲人导航器设计
(上海电力学院 计算机与信息工程学院, 上海 200090)
Design of Blind Navigator Based on Ultrasonic Tester
(School of Computer and Information Engineering, Shanghai University of Electric Power, Shanghai 200090, China)
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投稿时间:2010-07-12    
中文摘要: 介绍了一种基于超声波测距的盲人导航器.该系统以AT89S52单片机为核心控制器件,利用超声波传播时间差测量距离,实现对障碍物的定位,并通过对BM5008语音模块进行语音播报,最终实现语音导航.实验证明,盲人导航器的有效导航距离为3.5m,测量精度为1cm,同时伴有语音提示功能.
中文关键词: 超声波测距  导盲器  电路设计
Abstract:A blind navigator based on ultrasonic ranging is introduced.The system takes AT89S52 single chip as the core control device, and the distance is measured by applying the transmitting time difference of ultrasound in air, thus orientating the obstacle's location, and broadcasting through BM5008 voice module, and finally realize navigation on voice.The experiment indicates that the effective distance of Blind Navigation is 3.5 m, and the precision of measurement is 1 cm with prompt voice.
文章编号:20100621     中图分类号:    文献标志码:
基金项目:大学生创新项目(A84120)
引用文本:
梁源,朱武,王宏亮,等.基于超声波测距的盲人导航器设计[J].上海电力大学学报,2010,26(6):601-604.
LIANG Yuan,ZHU Wu,WANG Hong-liang,et al.Design of Blind Navigator Based on Ultrasonic Tester[J].Journal of Shanghai University of Electric Power,2010,26(6):601-604.