吉林农业大学学报2026，Vol.48Issue(4)：652-666,15.DOI:10.13327/j.jjlau.2026.0208
秸秆还田覆盖下智能调速带状旋耕系统设计与试验
Design and Experiment of Intelligent Speed-Regulating Strip Rotary Tillage System Under Straw Mulching Returning Mode
摘要
Abstract
Aiming at the mismatch between operation energy consumption and mixing-burying qual-ity caused by the spatial heterogeneity of maize straw coverage during strip rotary tillage,an intelli-gent speed regulation method was proposed based on pre-field evaluation before operation.The sys-tem consists of a vision module,a control unit,an electro-hydraulic proportional valve and a hydrau-lic motor.The DeepLabv3+semantic segmentation model was adopted to realize pixel-level identifi-cation of field straw coverage,which is classified into three grades of sparse,medium and dense ac-cording to coverage rates of<30%,30%-60%and>60%.Single-factor EDEM simulation was used to optimize the mounting angle of the front cutting surface of rotary blades to 75°,and comparative field tests on rotary blades reveal that the operation energy consumption decreased by 17.11%com-pared with the pre-optimization state.The optimal constant rotational speed of 320 r/min was ob-tained through field response surface tests,and three preset rotational speeds(280,320,360 r/min)were established by expanding 40 r/min to both sides,each corresponding to one straw coverage grade.Field tests on black soil show that the straw mixing-burying rate under the intelligent speed regulation mode reached 87.6%,which is statistically equivalent to the optimal constant-speed opera-tion value of 88.3%.The operation energy consumption was 17.98 kJ,representing an 10.3%reduc-tion relative to constant-speed operation.Adaptability tests conducted on chernozem and meadow soil demonstrate energy savings of 14.7%and 13.4%,respectively,with intelligent speed regulation.Although the decline of mixing-burying rate rose with the increase of soil clay content,all declines were statistically insignificant.The results indicate that the proposed pre-operation evaluation speed regulation system can significantly cut down operation energy consumption while maintaining equiva-lent mixing-burying quality,offering a feasible solution to the intelligent upgrading of conservation tillage equipment.关键词
秸秆还田/条带旋耕机/秸秆覆盖识别/自适应调速/EDEM仿真Key words
straw returning/strip rotary tiller/straw coverage recognition/adaptive speed regula-tion/EDEM simulation分类
农业科技引用本文复制引用
王跃勇,赵宣,李付萱,巩发栋,陈军辉,宋伟,刘媛媛,初小兵,牛学智..秸秆还田覆盖下智能调速带状旋耕系统设计与试验[J].吉林农业大学学报,2026,48(4):652-666,15.基金项目
国家自然科学基金项目(32472003),吉林省科技厅重点研发项目(20230202039NC) （32472003）
