Abstract
Precision agriculture is combined with irrigation control systems to observe the environment and respond accordingly. In this paper, we discussed developmental procedure of a novel irrigation control system called Sensor Based Self-powered Smart Irrigation Control System (SSSICS). In the current market, there are several irrigation controllers available and they are either timer based open loop (OL) or sensor-based closed loop (CL) irrigation controllers. Each method has different advantages and disadvantages, and SSSICS contains OL and CL control techniques to get rid of disadvantages. We used OL control technique to work in the Timer Mode(TM) and CL control technique to work in the Intelligent Mode (IM). We introduced a new graphical user interface (GUI) as a human-machine interface (HMI). This HMI and available inputs facilitated the farmer to set precise environmental parameters required for the crop to give maximum yield. For remote farm fields, it is necessary to have a remote communication (RC) and uninterrupted power supply. Text messages that receive and send via Global System for Mobile (GSM) Communication allow the farmer/user to perform RC with the control system (CS) of the SSSICS. We designed a Micro Hydro Power Generator (MHPG) array and solar system including rechargeable batteries to give the power required to the SSSICS. The SSSICS was tested in real environment and it was demonstrated that hybrid power generation concept by incorporating open loop and closed loop control techniques works properly in the hardware platform developed for the study.
Highlights
Precision agriculture is combined with irrigation control systems to observe the environment and respond
Since the decisions are made based on the sensor feedback, the intelligent mode follows the closed loop (CL) controlling technique. (Figure 4) after the sensors have come to their threshold values which are defined by the user, the MCU provides another signal to the solenoid valve to stop the fans or mist makers
The results of each subsystem are presented in the following subsections in the event of their research and development and the Computer Aided Design done by Solidworks 2010 of the final system is shown in the Figure 10
Summary
Precision agriculture is combined with irrigation control systems to observe the environment and respond . Irrigation control systems are required for water management of the agricultural crops. The open loop irrigation controlling is performed according to the predefined time periods and intervals and the closed loop irrigation controlling is performed by discharging the water to the crops by acquiring the measured feedbacks on the conditions of the crop from the sensor system which consists of a leaf sensor, rain sensor, and a temperature sensor. Nano Ganesh is an industrially used open loop irrigational control system, which is remotely operated by the farmer’s telecommunication device It uses the GSM communication system and it can receive text messages from the farmer who feeds the irrigational system with the information about the irrigation time periods, intervals of irrigation. This research was focused to develop an integrated, sustainable irrigation control system which is more user friendly and smarter than the existing control systems using existing and compatible technologies
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