A multi-microprocessor based distributed control system manages spatially variable water and chemical application. The microprocessors are networked together using 3120 processors and PLT-20 transceivers in a master slave configuration. The control units consist of an 8051 I/O processor and a 3120 communications processor that communicate over a half mile 480VAC three phase power cable. The pow...

in order to improve the performance of irrigation networks, provide higher flexibility levels and improve water delivery methods, application of automatic control systems is suggested. in the coarse of the present study, a mathematical model of automatic pivot weir as based on pid control logic in combination with icss hydrodynamic model is developed. the developed model was tested under high f...

Optimization by simulation of agricultural practices can help to improve irrigation water use efficiency. This work introduces an efficient hierarchical decomposition method to design irrigation management strategies that is modelled as a continuous stochastic problem. Various combinations of selection (greedy, Pareto-based), division (middle, pivot, maximization) and evaluation techniques (glo...

Irrigation systems play an important role in agriculture. Center pivot irrigation are popular many countries as they labor-saving and water consumption efficient. Monitoring the distribution of center can provide information for agricultural production, land use. Deep learning has become effective method image classification object detection. In this paper, a new to detect precise shape is prop...