Design Of Remote Monitoring System For Precise Feeding Of Pregnant Sows Based On 4G Network

Animal husbandry automation and informatization are inevitable trends in the development of modern agriculture.Aiming at the problems of insufficient automation and informatization in the current sow precision feeding system,this paper relies on the provincial technology support project "Digital Pig Farm Design Based on the Internet of Things" to design a remote monitoring of precise feeding of pregnant sows based on 4G network system.The system consists of two sub-systems,the sow precision feeding system and the pig house temperature control system.It is developed from the three levels of the field control layer,data transmission layer,and monitoring center.Siemens S7-200 PLC is the main controller.The 4G network is A bridge for remote data transmission,the host computer interface is set up for the system by using the sub-controller King.Combining fuzzy control theory,a sow precise feeding and pig house temperature control strategy was formulated,and MATLAB simulation analysis and experimental verification were carried out.Here are the main things this article does:(1)Completed the hardware design of the system.Based on this,the system's function program,electrical wiring diagram,and communication program between the various modules of the system are completed.(2)Developed a precision sow feeding system based on fuzzy control theory.Based on the difference in the daily intake of sows in different gestation stages and thick sows,the system established a precise feeding scheme for pregnant sows based on fuzzy control theory,and used stepper motors to complete the precise feeding of pregnant sows.The experimental data show that the average relative error and coefficient of variation of the designed precision feeding system are less than 3%,which meets the requirements of system precision feeding.(3)A pig temperature control system based on fuzzy self-tuning PID control algorithm was designed.Modeling the microclimate control system of pregnant pighouses with reference to the standard "Environmental Parameters and Environmental Management of Large-scale Pig Farms" issued by the country,and the step response method was used to model the microclimate control system of the pregnant pighouse.Simulation and experimental results verify that the temperature control system based on the fuzzy self-tuning PID algorithm achieves better control results in terms of dynamic response and control accuracy.(4)For the first time,a design scheme for remote unmanned pig raising based on 4G network was proposed.The background data management and upper computer monitoring interface of the sow accurate feeding remote monitoring system are realized by using the Asian Control Kingview and Access database.Combined with the excellent compatibility of 4G network and network environment,it improves the data transmission efficiency and solves the system's later maintenance.Update issues.Achieved digital management of sow breeding.The remote monitoring system for accurate sow feeding of pregnant sows based on 4G network designed in this paper can effectively improve pig farm informationization,automation level,improve sow growth environment,improve pig farm production efficiency and economic benefits,and promote the development of China 's pig industry.The development of unmanned farming is of great significance.