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基于阈值辨别技术的普通行人用计步器设计研究

更新时间:2020-11-20 05:29:37 大小:2M 上传用户:zhengdai查看TA发布的资源 标签:计步器 下载积分:1分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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计步器作为一种可穿戴式的智能化跟踪设备,在实现计步功能的同时,提升了运动的趣味性。基于阈值辨别的技术,设计了一款普通行人用计步器原理样机,实现了普通行人行走计步的功能。该计步器原理样机由三轴加速度计ADXL345模块、LCD液晶显示模块以及单片机模块等组成。单片机控制ADXL345采集行人行走时三个轴向的加速度信息,通过阈值辨别技术实现行人行走时的计步功能。试验研究首先针对阈值辨别技术进行了阈值测试,然后在步行条件下进行了计步测试。测试结果表明,该设计能够实现普通行人行走时计步的功能,但存在计步误差。该误差主要源于行走计步时的阈值设定。今后将针对计步器系统中的阈值辨别技术开展深入研究,从而提高计步器系统的计步精度。

Pedometer,as a wearable intelligent tracking device,makes the sports more enjoyable while implementing the step counting function.Based on the threshold recognition technology,a principle prototype of pedometer is designed for pedestrians,which realizes the step counting function.The principle prototype is mainly composed of a three-axel acceleration device ADXL345,a LCD module and a single chip computer.The single chip computer controls ADXL345 to collect three-axel acceleration data to realize the step counting function based on the threshold recognition technology.The experimental study firstly carries out threshold tests in accordance with the threshold recognition technology,and then conducts the step counting tests under the walking condition.The testing results show that the design can realize the step counting function for pedestrians,but it has some counting errors.The errors mainly come from the threshold setting.In future,the study will be done in-depth for threshold recognition technology applied in the step counting system to improve precision of step counting.

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