Environmental pollution being accompanied by urbanization gets severe.
Abnormal weather conditions, including changes in temperature, precipitation,
and insolation, localized heavy rain, mega typhoon, and drought leads to many difficulties with cultivation of agricultural products. As a solution to ...
Environmental pollution being accompanied by urbanization gets severe.
Abnormal weather conditions, including changes in temperature, precipitation,
and insolation, localized heavy rain, mega typhoon, and drought leads to many difficulties with cultivation of agricultural products. As a solution to the
problems, the plant factory technology has been studied in various areas, and has drawn a lot of attention. Many studies are being conducted on the crop
growth based on various systems, including plant factory management system and LED & nutrient solution control system.
Among the crop growth control factors of a plant factory, LED-based light source control is very important. In other words, the failure to control the distance between crops and LED and calories can bring about rolling of
crops' leaf areas, which is the biggest obstacle to crop growth control. To solve the problem this thesis studied the implementation of a plant factory
automatic management system which provides an efficient PLC based LED
control service reflecting various crop growth factors.
This study designed a system algorithm to reduce LED light intensity in accordance with crop growth, and thereby established a PLC based control system.
The sensors installed in a plant factory collect environment information
values, such as temperature, humidity, CO2, EC, and pH, and thus it is possible to control the environment conditions of the plant factory and concentration of nutrient solution. To examine that LEDs of the plant factory
are automatically controlled, a simple simulation was designed and performed.
It is expected that this system will be able to contribute to reducing labor through the automatic management of a plant factory, stabilizing prices
through planned production of crops, and improving high-added value.
Environmental pollution being accompanied by urbanization gets severe.
Abnormal weather conditions, including changes in temperature, precipitation,
and insolation, localized heavy rain, mega typhoon, and drought leads to many difficulties with cultivation of agricultural products. As a solution to the
problems, the plant factory technology has been studied in various areas, and has drawn a lot of attention. Many studies are being conducted on the crop
growth based on various systems, including plant factory management system and LED & nutrient solution control system.
Among the crop growth control factors of a plant factory, LED-based light source control is very important. In other words, the failure to control the distance between crops and LED and calories can bring about rolling of
crops' leaf areas, which is the biggest obstacle to crop growth control. To solve the problem this thesis studied the implementation of a plant factory
automatic management system which provides an efficient PLC based LED
control service reflecting various crop growth factors.
This study designed a system algorithm to reduce LED light intensity in accordance with crop growth, and thereby established a PLC based control system.
The sensors installed in a plant factory collect environment information
values, such as temperature, humidity, CO2, EC, and pH, and thus it is possible to control the environment conditions of the plant factory and concentration of nutrient solution. To examine that LEDs of the plant factory
are automatically controlled, a simple simulation was designed and performed.
It is expected that this system will be able to contribute to reducing labor through the automatic management of a plant factory, stabilizing prices
through planned production of crops, and improving high-added value.
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