CAJ | 학술논문

碎草分离装置是农作物联合收割机的核心部件之一。碎草装置阻塞问题是联合收割机工作过程中常出现的问题，决定了机器的工作质量和生产率。为了解决这个问题，提出了一种新的负荷反馈无极调速系统。该系统采用无极变速和PID负荷反馈调节的方法，对喂入装置进行优化设计，可以根据农作物的密集程度，自适应的调节喂入速度，从而降低了收割机碎草装置阻塞的概率，大大提高了收割机的作业效率。为了验证装置的有效性和可靠性，通过数值仿真和虚拟样机实验的方法对该系统进行了测试。仿真结果表明：该方法可以有效地缩短作业时间，降低碎草长度，提高了碎草装置的作业性能，为联合收割机的优化设计提供了技术参考。
쇄초분리장치시농작물연합수할궤적핵심부건지일。쇄초장치조새문제시연합수할궤공작과정중상출현적문제，결정료궤기적공작질량화생산솔。위료해결저개문제，제출료일충신적부하반궤무겁조속계통。해계통채용무겁변속화PID부하반궤조절적방법，대위입장치진행우화설계，가이근거농작물적밀집정도，자괄응적조절위입속도，종이강저료수할궤쇄초장치조새적개솔，대대제고료수할궤적작업효솔。위료험증장치적유효성화가고성，통과수치방진화허의양궤실험적방법대해계통진행료측시。방진결과표명：해방법가이유효지축단작업시간，강저쇄초장도，제고료쇄초장치적작업성능，위연합수할궤적우화설계제공료기술삼고。
Chaff separation device is one of the core components of the crop of combine harvester .The device broken grass blocking problem is usually combine work problems ,which determines the machine work quality and productivity . In order to solve this problem ,it proposed a new load feedback stepless speed regulating system .By using the method of adjusting the shift and PID load feedback , it optimized the design of feeding device , according to the intensive crops , a-daptive feeding speed , and reduces the probability of the harvester from straw crushing device blocking , greatly improving the operation efficiency of the harvester .In order to verify the validity and reliability of the device ,by means of numerical simulation and virtual prototyping experiment of the system ,it tested by the straw crushing device .As to virtual simulation results,it can be seen that this method can effectively shorten the operation time , reduce broken grass length ,and im-proves the operation performance of the device of crushed grass ,which provides technical reference optimization designed for combined harvester .