| 基于光电开关的硬币面值识别系统设计 |
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| 引用本文： | 付丽,吴朝彦,王文志,周芝田,罗钧.基于光电开关的硬币面值识别系统设计[J].压电与声光,2011,33(5). |
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| 作者姓名： | 付丽 吴朝彦 王文志 周芝田 罗钧 |
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| 作者单位： | 重庆大学光电技术及系统教育部重点实验室,重庆,400030 |
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| 基金项目： | 重庆市高等学校教学改革基金资助项目(09-3-010); 第一届“重庆大学大学生科研训练计划”基金资助项目(CQU-SRTP-2009095) |
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| 摘 要： | 现有的硬币识别系统的结构复杂,成本高.该文根据我国现行硬币币种间大小的不同,利用光电开关的特性,设计出一种由4个光电开关构成的硬币面值检测系统.对不同币种通过检测时,从4个光电开关输出电平状态,可识别出硬币面值大小.采用51单片机完成对光电开关信号的检测、硬币的分类统计、PM66语音芯片的控制实现语音报数.系统联调表明,该系统实现了对不同硬币面值的识别、分类统计、语音报数,对所做实验硬币的识别率达到了100％,具有一定的应用前景和推广价值.
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| 关 键 词： | 硬币识别 光电开关 单片机 语音 |
Design of Coin Denomination Recognition System Based on Photoelectric Switch |
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| FU Li,WU Chaoyan,WANG Wenzhi,ZHOU Zhitian,LUO Jun.Design of Coin Denomination Recognition System Based on Photoelectric Switch[J].Piezoelectrics & Acoustooptics,2011,33(5). |
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| Authors: | FU Li WU Chaoyan WANG Wenzhi ZHOU Zhitian LUO Jun |
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| Affiliation: | FU Li,WU Chaoyan,WANG Wenzhi,ZHOU Zhitian,LUO Jun(Key Lab.for Opto-electronic Technology & System of the Ministry of Education,Chongqing University,Chongqing 400030,China) |
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| Abstract: | The existing coin denomination recognition system has the shortcomings of complex structure and high cost.Therefore,according to the different sizes of domestic coins in circulation,a system with four photoelectric switches has been designed.When recognizing coins of different sizes,the values of different coins can be known from the output level of the four photoelectric switches.This system takes MCS-51 microcontroller to read output levels of the four photoelectric switches,classify and count coins and c... |
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| Keywords: | coin recognition photoelectric switch single-chip microcomputer(SCM) voice |
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