基于超声波测距和PSD红外测距的智能语音导盲器
首发时间:2013-02-23
摘要:本文设计了一种以超声波测距和PSD红外测距为核心的智能语音导盲器。利用STC12C5A60S2单片机循环采样,ISD1700语音芯片作语音提示,实现导盲提示的功能。整个导盲装置将放置与使用者头部,其中,超声波探测器探测方向可随使用者头部指向变化而变化,探测距离为5米,精确到百分位,通过耳机向使用者报数,实现方向与距离的精确指示。
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A smart phonic blind guider based on ultrasonic and PSD infrared distance ranging
Abstract:We design a smart blind guider which consists of ultrasonic distancranging sensor and PSD infrared distancranging sensor. In order to carry out the function of intelligent prompt, MCU STC12C5A60S2 and sound chip ISD1700 are used in the device. The device can be placed on user's head. The direction, which the device points, is in line with the movement of the user's head automatically. Then the result in the form of verbal signal will be sent to user's headphone to realize 100% accurate acquisition of direction and range within 5 meters.
Keywords: Ultrasonic range Infrared range principle of trigonometry Voice Prompt
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基于超声波测距和PSD红外测距的智能语音导盲器
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