Cage Intelligent Feeding System Development And Key Technology

Considering the problems of the labor-intensive, high cost, low precisionanddifficulties in deep-sea cage culture, techniques of deep-sea cage equipment,automatic control and digital aquaculture management are merged in thispaper.Feeding devices, photovoltaic systems, video transmission systems,wireless data transmission and breeding management interface are designed.Aremote intelligent feeding system for the deep-sea cage culture is constructed.Feed is the most important variable costs in aquaculture. How to ensureaccurate feeding and realize the intelligent management have become animportant content of the current study.Deep-sea cage aquaculture feeding systemis a nonlinear, time-varying, multivariable coupled system. The mathematicalrelationship betweenfeeding amount and environment variables iscomplicated,soa precise mathematical model is established difficult.A fuzzycontroller is created with LabVIEW of which input variables are temperature,flow rate and output variables are feeding rate, feeding times, feeding time,feeding time and correlation of feeding amount, taking advantage of fishermenyears of farming experience, expert test data and the fuzzy control theory.Precisly control of feeding quantity per unit is achieved by afloating feeding mechanism which is gravity blanking, stepping motor rotarydischarging and PLC program being used to adjust the opening size ofblanking valve.Based on the basic principle of off-grid PV system optimizationdesign, the capacity of solar panel and battery size and photovoltaicarray angleare determined by scientific method, thus the balance load energysupply of the whole system is ensured.Aiming to watching online video of thesurrounding environment and eating status of fish, we compare and analyze the3G network communication quality of China’s three major mobile operators aswell as video coding technology,according to the general process of3G networkvideo surveillance system with user’s needs, and select remote monitoringterminal reasonably. Data transmission between feeding terminal and aquaculture monitoring centreis reliable and stable in the remote networkaccessing mode with3180EP.HMI integrated with intelligent feeding, videosurveillance andaquaculture management is created by LabVIEW contributinghelpinguser’s manipulation.The entire system solves the problem of the intelligent feeding, remotemonitoring and management when Xiangshan County Ocean and FisheryBureau do the deep-sea cage culture trials in Southern Nirayama. It has beenrunning successfully for Nirayama archipelago test cages. Data reception andtransmission is normal and video displaying clearly and smoothly in the labwhich is more than20kilometers away from the feeding terminal.