Programmable logic controller (PLC)-based fuzzy irrigation control system and irrigation method thereof
A control system and fuzzy technology, applied in the pressurized spreading method of liquid fertilizer, botanical equipment and methods, agricultural machinery and equipment, etc., can solve the problems of power supply and low irrigation system intelligence, so as to reduce system cost and improve Anti-interference ability and long service life
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[0031] In the present invention, as the bottom unit of the whole control system, PLC plays an important role in the data collection and processing of the whole control system. It completes the collection of soil moisture data, and converts the collected soil moisture data through the A / D conversion module. The converted data is processed by fuzzy control technology, and the output signal is sent to the solenoid valve module to realize the purpose of automatic irrigation. At the same time, the upper computer module monitors the internal data of the PLC in real time.
[0032] A kind of irrigation method of fuzzy irrigation control system based on PLC, comprises the following steps:
[0033] S1: According to the soil moisture information detected by the soil moisture sensor, determine whether watering is required;
[0034] S2: According to the water level information of the reservoir detected by the water level sensor, when the water level of the reservoir is lower than the mini...
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