超声波传感器在电动轮椅车上的应用研究
Chinese Journal of Sensors and Actuators(2007)
Abstract
根据超声波测距原理,提出一种基于超声测距技术的电动轮椅车检测障碍物、避障的新方法.设计了超声波测距的发射、接收电路,测量数据经单片机用改进的算法处理校正后误差很小,获得较高的精度,可以达到cm级,完全满足室内电动轮椅车行驶时检测障碍物的要求.此种测距方法简单实用,在电动轮椅车上的应用也易于实现,具有一定的应用价值.
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Key words
Electric wheelchairs,Giving a wide berth,MCU,Measuring distance,Ultrasonic sensor
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