医疗卫生装备2017，Vol.38Issue(2)：1-5,15,6.DOI:10.7687/J.ISSN1003-8868.2017.02.001
基于步态检测算法的避障装置研制
Development of obstacle avoidance device based on gait detection algorithm
摘要
Abstract
Objective To develop a shoe-cover-style obstacle avoidance device based on gait detection algorithm for the visually impaired.Methods The device was composed of shoes covers and an electric control box.The hardware involved in MSP430F1132 SCM as the control unit,triaxial accelerometer to measure foot acceleration,ultrasonic sensor to detect obstacles and solar battery for power supply.A gait detection algorithm was proposed to implement a foot motion states detection program,and the motion states included static and moving ones.Results The device executed obstacle detection when'the feet were raised and let down,and obstacle detection were stopped in case the feet were kept unmoving,shaking and hanging.The rate for mis-alarm was decreased and the operation procedure was simplified.Conclusion The device behaves well in timeliness,efficiency,mis-alarm,portability,low cost and easy operation,and thus is worthy studying and practical application.关键词
步态检测算法/避障装置/鞋套式/超声波传感器/三轴加速度传感器Key words
gait detection algorithm/obstacle avoidance device/shoes-cover-style/ultrasound sensor/triaxial accelerometer分类
医药卫生引用本文复制引用
吴文竹,唐俊铨..基于步态检测算法的避障装置研制[J].医疗卫生装备,2017,38(2):1-5,15,6.基金项目
重庆市卫生局医学科技计划项目(2013-2-150) （2013-2-150）
重庆医药高等专科学校自然科学类重点资助项目(ygz2013102) （ygz2013102）
