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流速仪检定系统的测速电路设计
引用本文:郭夕,张文锦. 流速仪检定系统的测速电路设计[J]. 仪器仪表用户, 2008, 15(6): 67-68
作者姓名:郭夕  张文锦
作者单位:东南大学仪器科学与工程学院,南京,210096
摘    要:本文给出了单片机与可编程计数器8254相结合,在流速仪检定系统车速测量上的一个具体应用。介绍了系统设计原理、软硬件构成。在实际应用时。根据检定车车速的运行范围,选择不同的测速方法,使测量结果完全满足要求。具有精度高、可靠性好等优点。

关 键 词:单片机  8254计数器  光电编码器

The design of speed measurement circuit for current meters examination system
Guo Xi,Zhang Wen-jing. The design of speed measurement circuit for current meters examination system[J]. Electronic Instrumentation Customer, 2008, 15(6): 67-68
Authors:Guo Xi  Zhang Wen-jing
Affiliation:Guo Xi, Zhang Wen-jing ( School of Instrument science and engineering Southeast University, Nanjing 210096, China)
Abstract:This article has given an application about speed measurement of Current Meters Examination System, which is composed of a microcontroller and 82.54 interval timer. The design method, software and hardware constitution are introduced. In practical situation different measurement methods shall be selected for different speed of the Calibration Car of Current Meters, which satisfied measurements requests, had the features of high accuracy and reliable operation.
Keywords:microcontroller  82.54 interval timer  photoelectrical encoder
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