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高速精密播种机行进距离传感器的设计

Journal of Agricultural Mechanization Research(2011)

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Abstract
为了全面监测高速精密播种机的作业情况,需要对单位面积播种量、米间落粒数和总作业量进行统计,这就需要准确测量机具的行进距离。常用的测量方法有标杆法、轮速传感器测速法、多普勒雷达测速法以及GPS测速法等。为此,在分析上述方法利弊的基础上,提出一种以SCA620单轴加速度传感器及阵列式全向水银开关为检测元件、结合单片机及无线数据传输技术的全新设计方案。
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Key words
omnidirectional mercury switch,microcontroller,velocity measurement,high speed precision machine,SCA620
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