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雙板差分沖量式谷物流量傳感器性能試驗(yàn)
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Dual-plates Differential Impact-based Grain Flow Sensor
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    摘要:

    對雙板差分沖量式谷物流量傳感器的靜態(tài)受力特性進(jìn)行檢測,，結(jié)果表明傳感器的輸出信號與靜態(tài)力作用點(diǎn)的位置無關(guān),即傳感器的線性度滿足使用要求,。室內(nèi)標(biāo)定試驗(yàn)和田間測產(chǎn)試驗(yàn)得到谷物流量在0～2.0kg/s范圍內(nèi)信號與傳感器輸出電壓信號的關(guān)系和標(biāo)定系數(shù)K,。田間水稻測產(chǎn)試驗(yàn)檢測測產(chǎn)精度誤差小于

    Abstract:

    3.8%,。The dual-plates differential impact-based grain flow sensor of yield monitor systems was designed. The static force characteristics of sensor were experimental tested. Results indicated that the output signal of the grain flow sensor had nothing to do with the location of the point of application of the external force, and the linearity of the sensor could meet the application requirements. During the range of grain flow was 0~2kg/s, characteristic of the flow sensor was tested through laboratory and field. The sensor output voltage signal of the coefficient was gotten. Calibration coefficient K was determined through test. The error of grain flow sensor was 3.8% for rice harvester.

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陳樹人,楊洪博,李耀明,胡均萬,張林林.雙板差分沖量式谷物流量傳感器性能試驗(yàn)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2010,41(8):171-174. Dual-plates Differential Impact-based Grain Flow Sensor[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(8):171-174.

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