CAJ | 학술논문

基于Buck型DC-DC变换器动态响应速度较慢、抗扰动能力差的现状,提出了基于输出电压微分-单周控制Buck型DC-DC变换器数学模型的DMC-PID控制方法. 该算法将DMC算法与PID算法相结合,充分发挥PID抗干扰性和DMC对惯性、延迟适应能力强的优点. 为验证在PID与DMC结合时所采用的串联与并联两种不同的控制方法的控制效果,针对不同工作状态对系统进行了仿真. 结果表明:DMC-PID并联控制系统总体性能优于DMC-PID串级控制系统,但两种控制方案都具有较强的鲁棒性及良好的抗扰动性能,能够提高系统的动、静态性能指标.
기우Buck형DC-DC변환기동태향응속도교만、항우동능력차적현상,제출료기우수출전압미분-단주공제Buck형DC-DC변환기수학모형적DMC-PID공제방법. 해산법장DMC산법여PID산법상결합,충분발휘PID항간우성화DMC대관성、연지괄응능력강적우점. 위험증재PID여DMC결합시소채용적천련여병련량충불동적공제방법적공제효과,침대불동공작상태대계통진행료방진. 결과표명:DMC-PID병련공제계통총체성능우우DMC-PID천급공제계통,단량충공제방안도구유교강적로봉성급량호적항우동성능,능구제고계통적동、정태성능지표.
In view of the poor ability to resist disturbance and dynamic response lag of Buck converter, the DMC-PID algorithm which is based on output voltage differential coefficient and one cycle control (OVDC-OCC) method for DC/DC converter is brought forward.It combines DMC algorithm with PID algorithm to takes advantage of PID' s anti-in-terference ability and DMC' s adaptability to inertia and delay.In order to verify the control effect of the system which combines DMC algorithm with PID control in the series and parallel way, according to different working conditions on the system are simulated.The results are presented, which show the effectiveness of the control strategy, with better robustness and anti-disturbance performance, for it improves the dynamic and static system performance.The DMC-PID parallel control system is superior to DMC-PID cascade control system.