搜索结果: 1-6 共查到“农业电气化与自动化 measurement”相关记录6条 . 查询时间(0.062 秒)
Measurement of exploitation parameters of the hen feeding line
feed losses economy of chicken production technical maintenance consumption of electricity
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2014/2/26
The paper deals with the analysis of the operation of a hen feeding line in the reproduction breeding hall at the floor stabling type combined with the deep bedding on grates. We have measured the hen...
基于计算机视觉的葡萄茎直径高精度测量方法(High Accuracy Measurement of Grape Stem Diameter Based on Computer Vision)
萄萄 茎直径 计算机视觉 非接触测量 图像处理
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2009/12/28
提出了基于计算机视觉的葡萄茎直径测量方法,采用双边滤波降低图像噪声,通过Otsu阈值分割和BloB分析实现葡萄茎与背景的分离,应用基于特征点的定位方法得到茎直径测量位置,由茎直径所包含像素数和尺寸当量计算出茎直径值,从而实现茎直径连续测量。实验和现场应用表明,系统测量重复精度可达±0.5μm。
真空预冷实验装置计算机检测系统(Establishment of the System of Microcomputer Monitoring and Measurement of Vacuum Precooling Equipment)
真空预冷 薄膜规 数据采集系统
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2009/11/3
为了揭示真空预冷机理,优化真空预冷设备,需要实时测量真空预冷过程中真空室中的压力、捕水器的温度、果蔬的温度和质量等多个参数的变化。本文简述了自行设计的真空预冷实验装置的组成及设备的数据采集系统。将质量传感器成功地引入真空室,完成了产品质量在真空预冷过程中的在线监测。
土壤水分检测的模糊控制技术与试验(Soil Moisture Measurement Based on Fuzzy Control and Its Experimental Verification)
土壤 含水率 检测 神经网络
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2009/8/11
为了提高多因素制约下非线性系统测试土壤湿度的精度,构建了基于神经网络模糊控制技术的控制器以及DSP(TMS320VC5402)信号采集模块,提出了基于神经网络模糊控制原理的土壤水分信号处理优化方法,确定了模糊控制规则和修正规则的BP学习算法,建立了基于神经网络模糊优化器,并对系统进行了验证。结果表明,应用神经网络模糊控制原理采集和处理测试数据使土壤湿度的测试精度提高0.13%~2.12%。
Dynamic laboratory measurement with dielectric sensor for forage mass flow determination
precision agriculture yield mapping capacitance sensor mass flow grass and forage
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2014/2/27
A new parallel plate capacitance sensor was built consisting of two metal sheets. The sensor – a capacitor and the whole oscillating circuit was driven at 27 MHz frequency. Dynamic laboratory experime...
Application of smart sensors in the measurement of soil physical parameters
smart sensor monitoring modelling wireless network agrophysics
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2014/2/28
The study presents the project and partial implementation of a modern monitoring system for the measurement of soil physical parameters. It is provided with smart sensors equipped with signal conversi...