Study on synchronously driving control system of linear move irrigator

Abstract

Spray Irrigation is more efficient in water-saving and yield-increasing than other irrigation methods. Large scale linear move spray irrigation system is widely used in China. But the traditional go-stop-go driving method makes the linear move irrigator hard to control and gets bad irrigation performance. New control way with high efficiency in operation and low consumption of water, electricity, other materials and human resource is needed. Because of the difficulty of examination, virtual reality technology is used to simulate the controlling and driving system in this thesis. Three-dimension models of the irrigation system departments are built according to their scale, and three-dimensional scenes of farmland, as well as mechanical models of the irrigation system are established according to the principles of ground vehicle dynamics. Through simulation a better control method is obtained, which is used in field test, and controlling the large scale irrigator movement almost in a line, with an angle error less than 0.06°. © 2010 Springer-Verlag.