针对重复运行的未知非最小相位系统的轨迹跟踪问题,结合时域稳定逆特点,提出了一种新的基函数型自适应迭代学习控制(Basis function based adaptive iterative learning control,BFAILC)算法.该算法在迭代控制过程中应用自适应迭代学习...针对重复运行的未知非最小相位系统的轨迹跟踪问题,结合时域稳定逆特点,提出了一种新的基函数型自适应迭代学习控制(Basis function based adaptive iterative learning control,BFAILC)算法.该算法在迭代控制过程中应用自适应迭代学习辨识算法估计基函数模型,采用伪逆型学习律逼近系统的稳定逆,保证了迭代学习控制的收敛性和鲁棒性.以傅里叶基函数为例,通过在非最小相位系统上的控制仿真,验证了算法的有效性.展开更多
Smith predictor known as the time delay compensator was extended to control the process with inverse response.Modern robust control theory was employed to design the robust controller,which has only one parameter to b...Smith predictor known as the time delay compensator was extended to control the process with inverse response.Modern robust control theory was employed to design the robust controller,which has only one parameter to be determined with compromise among the rise time,undershoot,robustness and capability to reject disturbance of the closed loop system.The former two specifications can be assessed quantitatively and the latter two qualitatively.Examples show that the proposed method has significant improvements and wide applicable ranges for inverse response process.展开更多
文摘针对重复运行的未知非最小相位系统的轨迹跟踪问题,结合时域稳定逆特点,提出了一种新的基函数型自适应迭代学习控制(Basis function based adaptive iterative learning control,BFAILC)算法.该算法在迭代控制过程中应用自适应迭代学习辨识算法估计基函数模型,采用伪逆型学习律逼近系统的稳定逆,保证了迭代学习控制的收敛性和鲁棒性.以傅里叶基函数为例,通过在非最小相位系统上的控制仿真,验证了算法的有效性.
文摘Smith predictor known as the time delay compensator was extended to control the process with inverse response.Modern robust control theory was employed to design the robust controller,which has only one parameter to be determined with compromise among the rise time,undershoot,robustness and capability to reject disturbance of the closed loop system.The former two specifications can be assessed quantitatively and the latter two qualitatively.Examples show that the proposed method has significant improvements and wide applicable ranges for inverse response process.