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DOI: 10.14569/IJACSA.2011.021117
PDF

Irrigation Fuzzy Controller Reduce Tomato Cracking

Author 1: Federico Hahn

International Journal of Advanced Computer Science and Applications(IJACSA), Volume 2 Issue 11, 2011.

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Abstract: Sunlight heats the greenhouse air temperature and tomato cracking decreases marketable product up to 90%. A shade screen reduced incoming radiation during warm and sunny conditions to reduce tomato cracking. A fuzzy controller managed greenhouse irrigation to reduce tomato cracking using as variables solar radiation and substrate temperature. The embedded controller presented 9 rules and three assumptions that made it operate better. Signal peaks were removed and control actions could take place ten minutes after irrigation. Irrigation was increased during the peak hours from 12:00 to 15:00 h when it was required by the fuzzy controller; meanwhile water containing the nutrient solution was removed during very cloudy days with limited photosynthesis. After three continuous cloudy days irrigation should be scheduled to avoid plant nutrient problems. Substrate temperature in volcanic rock can be used as real time irrigation sensor. Tomato cracking decreased to 29% using the fuzzy controller and canopy temperature never exceeded 30ºC.

Keywords: component; Fuzzy controller; irrigation controller; tomato cracking.

Federico Hahn, “ Irrigation Fuzzy Controller Reduce Tomato Cracking” International Journal of Advanced Computer Science and Applications(IJACSA), 2(11), 2011. http://dx.doi.org/10.14569/IJACSA.2011.021117

@article{Hahn2011,
title = { Irrigation Fuzzy Controller Reduce Tomato Cracking},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2011.021117},
url = {http://dx.doi.org/10.14569/IJACSA.2011.021117},
year = {2011},
publisher = {The Science and Information Organization},
volume = {2},
number = {11},
author = {Federico Hahn}
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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