CAJ | 학술논문

牧草的烘干效果直接影响牧草的品质和储藏时间。为此，根据牧草的品质和储藏要求，针对牧草烘干系统的多变量、时变和大滞后、非线性的特点，分析了牧草烘干机的结构及工艺，并应用正交试验和回归分析方法建立的非线性数学模型，设计了一种基于BP 神经网络PID控制算法的牧草烘干控制系统。试验结果表明：所设计的牧草烘干控制系统能够达到系统性能指标的要求，控制效果良好。
목초적홍간효과직접영향목초적품질화저장시간。위차，근거목초적품질화저장요구，침대목초홍간계통적다변량、시변화대체후、비선성적특점，분석료목초홍간궤적결구급공예，병응용정교시험화회귀분석방법건립적비선성수학모형，설계료일충기우BP 신경망락PID공제산법적목초홍간공제계통。시험결과표명：소설계적목초홍간공제계통능구체도계통성능지표적요구，공제효과량호。
Drying forage directly affect the forage quality and storage time .In this paper , based on the quality and stor-age of forage drying requirements , according to the system characteristics of multivariable , time-varying and large time-delay and nonlinear , both the forage dryer structure and process are analyzed , using the nonlinear mathematical model that is established by the orthogonal test and regression analysis method , to design a forage drying control system on BP neural network PID control algorithm .The results show that it can achieve the requirements of the system performance in-dex , the control effect is good .