Design and Test of Electric Chassis of Facility Sprayer Based on Visual Navigation
Spray operation plays a key role in the production of agricultural crops in facilities,aiming at the current facil-ity spraying operations are mostly completed by manual spraying,low mechanization level,inflexible chassis steering,low pesticide utilization rate,and artificial spraying causes pesticide damage to human health,etc.,a facility sprayer chassis based on visual navigation to achieve autonomous walking was designed,the mechanical structure design of the sprayer chassis was completed,and the control system,drive system and software process of the chassis were designed.The test results showed that the designed facility sprayer chassis can realize flexible steering and autonomous walking based on vis-ual navigation,the average success rate of the three label tests of the chassis was 98.67%,the average transverse devia-tion was 2.1 cm and the maximum value was 6.7 cm when driving 10 m in a straight line,and the chassis drive system and control system were stable.Improving the automation and intelligence of sprayer operations and reducing the intensity of farmers' production operations,having great significance to the modernization of facility agriculture.
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