条形码识别技术在电路黑箱实验中的应用研究  

Application Research of the Barcode Technology in the Circuit Black Box Test

作　　者：刘威峰[1] 常建一[1] 朱玉堂[1] 赵梦超[1] 

机构地区：[1]河南理工大学电气工程与自动化学院,河南焦作454000

出　　处：《电子质量》2010年第6期6-9,共4页Electronics Quality

摘　　要：该研究项目是利用条形码技术识别电路实验的结果。在实验过程中为调动学生的积极性,文章对电路实验做一些改进,把实验电路封装在黑箱内。学生自行设计线路并利用各类仪器来测试黑箱内参数,结合理论知识,分析或计算其等效参数。文章设计了基于AT89C52单片机的条形码识别系统,用来识别各黑箱内的电路参数,以验证学生实验结果是否正确,从而避免了学生实验过程中相互抄袭的现象。This research project is the result of the use of the barcode technology to identify the circuit test.In the test,to mobilize the enthusiasm of the students,the paper makes some improvement in the circuit test and seals the experimental circuit in the black box.The students design the circuits by themselves and use various instruments to test the parameters in the black box.Combining with the theoretical knowledge,they analyze or calculate the equivalent parameters.The paper designs the barcode identification system based on the AT89C52 microcontroller to identify the circuit parameters in various black boxes and verify the correctness of the test results of the students so as to avoid the phenomena of students＇copying each other during the experiment.

关 键 词：单片机 PS/2协议 电路黑箱实验 条形码扫描器 

分 类 号：TP391.44[自动化与计算机技术—计算机应用技术] TM13-4[自动化与计算机技术—计算机科学与技术]