Hop-picking Machine Control Based on Capacitance Throughput Sensor

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41310%2F16%3A70467" target="_blank" >RIV/60460709:41310/16:70467 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.13031/aea.32.11234" target="_blank" >http://dx.doi.org/10.13031/aea.32.11234</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.13031/aea.32.11234" target="_blank" >10.13031/aea.32.11234</a>

Result language
angličtina
Original language name
Hop-picking Machine Control Based on Capacitance Throughput Sensor
Original language description
This study investigated the possibility of capacitance throughput sensor integration into some appropriate location of a PT-30 stationary hop picking machine, the possibility of its calibration, the possibility of control procedure development and its performance verification under operational conditions. A capacitance throughput sensor was integrated into the pocket belt conveyor that transports freshly picked hop material to the separation part of the machine. A linear dependence of sensor output voltage on wet hop material throughput was determined for a throughput range from 0.38 kg s-1 to 0.66 kg s-1 with a suitable coefficient of determination (R2 = 0.98). Based on calibration results and harvesting losses measurement, a simple mode of automatic control algorithm was developed. The functioning of the control system was observed for two hours (picking of hop plants from one trailer) during an ordinary harvesting day with the aim to verify its performance. In the case of throughput automatic cont
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20302 - Applied mechanics

Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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