*2.1. Feeding Rate Factors Analysis*

The feeding rate of a silage harvester is the total quality of silage fed into the silage harvester per second. During the harvesting operation, the silage feeding rate is influenced by many factors, which can be divided into antecedent factors and subsequent factors according to the time before and after the crop is fed into the machine. The antecedent factors include the harvesting speed, crop density, feeding width, plant moisture content, stubble height, etc. The subsequent factors include the relevant operating condition parameters of the silage harvester, such as the speed, torque, and power of the key working components. The antecedent factors are largely dependent on crop characteristics and vary considerably between land areas [20]; it is difficult to obtain precise data to support the accurate measurement of the feeding rate in field experiments. The subsequent factors can directly characterize the working load of the silage harvester along with the material feeding, and can dynamically respond to the feeding rate change in real time. Therefore, this paper constructs a detection model to automatically obtain the feeding rate through the subsequent power data of multiple components of the maize silage machine.
