Fig 1.
General structure of a corn precision seeder.
Fig 2.
Speed model of the seeding device.
Fig 3.
Model of PID control system.
Fig 4.
Hardware system of corn precision seeding.
Table 1.
Camera parameters of the inspection system.
Fig 5.
Topology of a three-layered neural network.
Fig 6.
Training flow of GABP algorithm.
Fig 7.
The overall process of visual inspection based on GABP algorithm.
Fig 8.
Precision positioning seeding experiment of corn under random disturbance signals.
Fig 9.
Precision positioning seeding experiment of corn under sine wave disturbance signal (1 Hz).
Fig 10.
Results of single-grain operation test indicators.
Table 2.
Calculation results of single-grain operation test indicators.