In order to solve the problem that dry-land foxtail millet production completely relies on rainwater with low instable yield and tedious cultivation, Millet Research Institute of Hebei Academy of Agriculture and Fores...In order to solve the problem that dry-land foxtail millet production completely relies on rainwater with low instable yield and tedious cultivation, Millet Research Institute of Hebei Academy of Agriculture and Forestry Sciences integrated a light simplified production technique integrating film mulching, hole sowing and fertilization with mechanized production, forming the light simplified foxtail millet production technique adopting film mulching and hole sowing. This study introduced the light simplified foxtail millet production technique adopting film mulching and hole sowing, including main links such as preparation before sowing, sowing, attached agricultural machines, field management, harvest and residual film recovery.展开更多
Aiming at the problems of low intelligence level of peanut seeder,unstable quality of sowing and fertilization,and poor coordination ability of one-time multi-work,this paper proposes a cooperative control method for ...Aiming at the problems of low intelligence level of peanut seeder,unstable quality of sowing and fertilization,and poor coordination ability of one-time multi-work,this paper proposes a cooperative control method for simultaneous sowing and fertilization in electric-driven peanut planters.In this method,an improved cross-coupling control structure is proposed to realize the cooperative control of sowing and fertilization,and a fuzzy PID controller is designed.In addition,in order to solve the problem of high overshoot and poor system follow-up when the target speed of the control motor changes greatly during the operation process,an improved particle swarm optimization algorithm is introduced to reduce overshoot,improve response speed,and improve the control accuracy and stability of the seed and fertilizer simultaneous sowing control system.The method was simulated and analyzed on the Matlab/Simulink simulation platform,and the simulation results indicate that the dynamic performance and anti-interference capability of the improved controller have been significantly enhanced.To verify the effectiveness of this control method,an experiment on simultaneous sowing and fertilization of peanuts was designed.The experimental data showed that under stable operation,the average sowing qualification rate was 98.67%and the average fertilization qualification rate was 98.34%;under sudden load conditions,the average sowing qualification rate was 97.33%and the average fertilization qualification rate was 98.18%.The method maintained a low fluctuation range under different working conditions,effectively achieving precise simultaneous sowing and fertilization of peanuts.This research can provide an effective technical reference for efficient peanut cultivation.展开更多
基金Supported by the National Key Technology Research and Development Program(2014BAD07B01-02)Science and Technology Demonstration Project of Bohai Granary in Hebei ProvinceSpecial Fund of Agro-scientific Research in Public Interest(201303133-1-6)~~
文摘In order to solve the problem that dry-land foxtail millet production completely relies on rainwater with low instable yield and tedious cultivation, Millet Research Institute of Hebei Academy of Agriculture and Forestry Sciences integrated a light simplified production technique integrating film mulching, hole sowing and fertilization with mechanized production, forming the light simplified foxtail millet production technique adopting film mulching and hole sowing. This study introduced the light simplified foxtail millet production technique adopting film mulching and hole sowing, including main links such as preparation before sowing, sowing, attached agricultural machines, field management, harvest and residual film recovery.
基金National Key R&D Program Project(Grant No.2023YFD2001002)the Creation and Application of High-Quality,High-Efficiency Intelligent Peanut Sowing Technology and Equipment.
文摘Aiming at the problems of low intelligence level of peanut seeder,unstable quality of sowing and fertilization,and poor coordination ability of one-time multi-work,this paper proposes a cooperative control method for simultaneous sowing and fertilization in electric-driven peanut planters.In this method,an improved cross-coupling control structure is proposed to realize the cooperative control of sowing and fertilization,and a fuzzy PID controller is designed.In addition,in order to solve the problem of high overshoot and poor system follow-up when the target speed of the control motor changes greatly during the operation process,an improved particle swarm optimization algorithm is introduced to reduce overshoot,improve response speed,and improve the control accuracy and stability of the seed and fertilizer simultaneous sowing control system.The method was simulated and analyzed on the Matlab/Simulink simulation platform,and the simulation results indicate that the dynamic performance and anti-interference capability of the improved controller have been significantly enhanced.To verify the effectiveness of this control method,an experiment on simultaneous sowing and fertilization of peanuts was designed.The experimental data showed that under stable operation,the average sowing qualification rate was 98.67%and the average fertilization qualification rate was 98.34%;under sudden load conditions,the average sowing qualification rate was 97.33%and the average fertilization qualification rate was 98.18%.The method maintained a low fluctuation range under different working conditions,effectively achieving precise simultaneous sowing and fertilization of peanuts.This research can provide an effective technical reference for efficient peanut cultivation.
