智能化盲人超声拐杖的研制  

A Study on the Intelligent Ultrasonic Cane for the Blind

作　　者：刘国传[1] 陆琳[1] 侯明[1] 王天星 

机构地区：[1]中华人民共和国北京出入境检验检疫局,北京100026 [2]艾森生物(杭州)有限公司,浙江杭州310023

出　　处：《医疗装备》2007年第3期1-2,共2页Medical Equipment

基　　金：国家自然科学基金重点项目(39889001)资助

摘　　要：本文介绍的是一种基于PIC16F877单片机的新型智能化盲人超声拐杖。文章详细介绍了超声拐杖的测距原理、设计方法及技术实现,并论述了如何有效避免各种障碍物对视力损伤人员的损害。实验表明,该拐杖能有效、安全地辅助视力受损人员行走。Abstract In this paper, a newly developed intelligent ultrasonic cane for the blind is presented, which is based on the microchip PIC16F877.The theory of ultrasonic ranging, design methods and its realization are introdueed in details, especially the design of its hardware.An important aspect of this paper is to propose a method to avoid damages to the visually impaired or disabled persons by various obstacles. Our experimental results have demonstrated that this ultrasonic cane can help visually impaired or disabled persons walk more freely and safely.

关 键 词：超声测距 PIC单片机 超声拐杖 

分 类 号：TN41[电子电信—微电子学与固体电子学] TP33[自动化与计算机技术—计算机系统结构]