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基于霍尔传感器的高精度测速电路设计

更新时间:2020-07-28 02:01:38 大小:192K 上传用户:zhiyao6查看TA发布的资源 标签:霍尔传感器高精度测速电路 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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设计宽范围高精度测速电路;通过对三种常用转速测量方法的分析比较,确定采用M法与M/T法相结合的方法测速,从理论上保证测速的宽范围和高精度;电路设计中为了简单,快速,准确的测速,两种测速方法之间采用硬件切换电路完成,克服了软件切换因工作量大而导致的实时控制变差的缺陷;采用片外计数器8253弥补了8051硬件资源短缺的不足,利用霍尔元件完成转速到旋转脉冲的转换,实现了低成本,高性能。

Abstract: The text design a velocity measurement circuit with high accuracy and adaptability. With the comparison and analysis of three commonly used methods of measuring velocity, the thesis use the combination of M and M/r to measure velocity, thus guarantee the high accuracy and adaptability theoretically. In order to measure the velocity simply, quickly and accurately, the design use switching hardware to transform two above-mentioned methods, and overcome the defect of reduction of quality of real-time control by soft ware switching. The adoption of off-chip counter 8253 make up for the hardware resource shortage of counter 8051. The design use Hall component to achieve the transformation between rotate speed and rotary impulse, and realize lo...

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基于霍尔传感器的高精度测速电路设计.pdf 192K

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