CAJ | 학술논문

在穴盘苗自动移栽机液压变速系统中引入了无级变速控制策略，设计了液压机械无级变速器的机械结构，建立了CATIA三维模型，并对其传动比特性、效率特性以及模糊控制特性进行了深入分析。利用MatLab软件建立了MatLab和CATIA的数据接口，设计了传动比的Simulink仿真模型，通过计算得到了液压效率曲线、传动比随排量变化曲线、等燃油三维拟合曲线和模糊控制曲线。由计算结果可以看出：联合仿真可以得到可靠的无级变速控制参考数据，提高了秧苗移栽作业的稳定性与高效性，以及整车的自动化水平，对农作物操作的突变环境具有良好的适应性，为穴盘苗自动移栽机的优化设计提供了一种新的计算机方法。
재혈반묘자동이재궤액압변속계통중인입료무급변속공제책략，설계료액압궤계무급변속기적궤계결구，건립료CATIA삼유모형，병대기전동비특성、효솔특성이급모호공제특성진행료심입분석。이용MatLab연건건립료MatLab화CATIA적수거접구，설계료전동비적Simulink방진모형，통과계산득도료액압효솔곡선、전동비수배량변화곡선、등연유삼유의합곡선화모호공제곡선。유계산결과가이간출：연합방진가이득도가고적무급변속공제삼고수거，제고료앙묘이재작업적은정성여고효성，이급정차적자동화수평，대농작물조작적돌변배경구유량호적괄응성，위혈반묘자동이재궤적우화설계제공료일충신적계산궤방법。
The seedlings transplanting machine hydraulic automatic transmission system is introduced in the stepless speed control strategy.Firstly,It designed the mechanical structure of hydraulic machinery for stepless speed variator,es-tablished the three-dimensional model by CATIA, and analyzed the ratio characteristic, efficiency characteristic and fuzzy control characteristi.Then,it established the data interface of Matlab and CATIA by using the Matlab software, de-signed the Simulink simulation model of transmission ratio, the calculated hydraulic efficiency curve, transmission ratio with the displacement curve, such as fuel and fuzzy control curve 3D curve fitting.By the calculation results,it can be seen that the united simulation can get the reliable reference data for stepless speed control,which can improve the stabi-lity and effectiveness of seedling transplanting operation, improve the level of automation of the vehicle, the mutation operation environment to crops with good comfort.The results provides a new method for the optimization design of trans-planting seedlings machine for computer automatic control.